example/kotlin #156
example/kotlin #156
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Summary by CodeRabbit
WalkthroughAdds two Kotlin Shirtify agent examples: a Dropwizard-based service and a Spring Boot service. Both include LangChain4j/OpenAI integration, A2A protocol endpoints, tool definitions (inventory, sendEmail), build configs, Gradle wrappers, run scripts, and example configuration and documentation. Changes
Sequence Diagram(s)sequenceDiagram
participant Client
participant A2AResource as Dropwizard A2A
participant AgentService as ShirtifyAgentService
participant LLM as LangChain4j+OpenAI
participant Tools as ShirtifyTools
Client->>A2AResource: POST / (tasks/send)
A2AResource->>A2AResource: validate request, create Task (working)
A2AResource->>AgentService: chat(userInput)
AgentService->>LLM: invoke model
LLM->>Tools: call inventory/sendEmail as needed
Tools->>LLM: return tool results
LLM->>AgentService: final response
AgentService->>A2AResource: response text
A2AResource->>A2AResource: store artifact, mark task completed
A2AResource->>Client: return A2AResponse (task + message)
sequenceDiagram
participant Client
participant A2AController as Spring A2A
participant ShirtifyAgent as Agent Interface
participant LLM as LangChain4j+OpenAI
participant Tools as ShirtifyTools
Client->>A2AController: POST / (tasks/send)
A2AController->>A2AController: parse, create Task (working)
A2AController->>ShirtifyAgent: chat(userInput)
ShirtifyAgent->>LLM: model call
LLM->>Tools: invoke inventory/sendEmail
Tools->>LLM: return results
LLM->>ShirtifyAgent: synthesized reply
ShirtifyAgent->>A2AController: reply string
A2AController->>A2AController: store artifact, complete task
A2AController->>Client: A2AResponse with task and message
Estimated code review effort🎯 4 (Complex) | ⏱️ ~60 minutes Suggested reviewers
Poem
🚥 Pre-merge checks | ❌ 3❌ Failed checks (2 warnings, 1 inconclusive)
✏️ Tip: You can configure your own custom pre-merge checks in the settings. ✨ Finishing touches
🧪 Generate unit tests (beta)
Comment |
![coderabbitai[bot]](https://avatars.githubusercontent.com/in/347564?s=60&v=4){kind=small}
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Actionable comments posted: 13
🤖 Fix all issues with AI agents
In
`@examples/kotlin/shirtify-dropwizard/.gradle/buildOutputCleanup/cache.properties`:
- Around line 1-2: The committed Gradle build artifact file cache.properties
inside the .gradle directory should be removed from version control: add
".gradle/" to the repository .gitignore (if not already present) and remove the
tracked file(s) (e.g., the committed cache.properties under .gradle) from the
index so they are not committed (use git rm --cached or equivalent), then commit
the .gitignore and the removal; verify no other .gradle directories/files remain
tracked and ensure future builds regenerate these files locally.
In `@examples/kotlin/shirtify-dropwizard/build.gradle.kts`:
- Around line 1-64: The build uses end-of-life Dropwizard 4.0.7 and several
outdated plugins/deps; update the dropwizardVersion variable (from "4.0.7") to a
supported release (preferably "5.0.1" or at minimum "4.0.17") or add forced
resolution/constraints for patched Jersey/BouncyCastle transitive deps, and
update the Kotlin plugin version string in plugins (kotlin("jvm") version
"1.9.25"), jackson-module-kotlin dependency
("com.fasterxml.jackson.module:jackson-module-kotlin:2.17.2") and JUnit
dependency ("org.junit.jupiter:junit-jupiter:5.10.2") to the recommended safe
versions (e.g., Kotlin 2.3.x/2.2.x, jackson 2.20.1, JUnit 5.14.1); ensure
application of these new versions propagates to the ShadowJar manifest settings
that reference Main-Class and that the kotlin.compilerOptions comment about
javaParameters remains valid.
In `@examples/kotlin/shirtify-dropwizard/gradlew`:
- Around line 189-199: Replace the direct raw.githubusercontent download with a
secure download-and-verify flow: use the official Gradle distribution URL (e.g.,
services.gradle.org/distributions/gradle-${GRADLE_VERSION}-wrapper.jar),
download with curl -fsSL into "$APP_HOME/gradle/wrapper/gradle-wrapper.jar",
fetch the corresponding .sha256 from services.gradle.org (e.g.,
gradle-${GRADLE_VERSION}-wrapper.jar.sha256), compute the SHA-256 of the
downloaded "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" and compare it to the
expected checksum, and if they differ call die with a clear error; keep the
existing mkdir -p "$APP_HOME/gradle/wrapper" and the final existence check but
fail fast on checksum mismatch using the GRADLE_VERSION variable to locate both
files.
In `@examples/kotlin/shirtify-dropwizard/gradlew.bat`:
- Around line 1-101: The gradlew.bat has two issues: Windows cmd parsing can
break with LF-only endings and the gradle-wrapper.jar download lacks
integrity/error handling; fix by normalizing this file to CRLF line endings (or
add a .gitattributes entry forcing CRLF for gradlew.bat) and modify the download
block that sets CLASSPATH/%APP_HOME%\gradle\wrapper\gradle-wrapper.jar to (1)
download to a temporary file, (2) verify a known checksum (e.g., SHA256) of the
temp file and only move it into %APP_HOME%\gradle\wrapper\gradle-wrapper.jar on
success, and (3) fail with a clear error and non-zero exit if curl fails or
checksum mismatches before reaching the :execute/Execute Gradle step that
invokes org.gradle.wrapper.GradleWrapperMain; ensure error paths return
appropriate EXIT_CODE and avoid running the wrapper when verification fails.
- Around line 76-84: The gradlew.bat download block does not check for curl
failures or verify the downloaded
"%APP_HOME%\gradle\wrapper\gradle-wrapper.jar", so add a fail-fast check
immediately after the curl invocation: verify the file exists and is non-empty
(and optionally validate its SHA-256 against
2db75c40782f5e8ba1fc278a5574bab070adccb2d21ca5a6e5ed840888448046) and if the
check fails, emit an error via echo and exit with a non-zero code (e.g., exit /b
1) before reaching the Gradle execution line that runs
org.gradle.wrapper.GradleWrapperMain; keep checks referencing
"%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" and the existing curl download
command so it’s clear where to insert the validation.
In
`@examples/kotlin/shirtify-dropwizard/src/main/kotlin/com/shirtify/agent/resources/A2AResource.kt`:
- Around line 49-55: The Task data class uses mutable lists (messages,
artifacts) which are modified after insertion and never evicted; change messages
and artifacts to immutable List<T> in Task and update all mutation sites to
perform copy-on-write by creating a new Task instance (e.g., using copy(...))
with the updated lists instead of mutating the stored object, and ensure every
update replaces the entry in the concurrent map rather than modifying its
contents in-place; additionally add TTL/cleanup for completed tasks in the
concurrent map (e.g., background sweeper or time-tracking field in Task) to
evict finished tasks and prevent unbounded retention.
In
`@examples/kotlin/shirtify-dropwizard/src/main/kotlin/com/shirtify/agent/ShirtifyAgentService.kt`:
- Around line 33-42: The service currently enables request/response logging on
the OpenAiChatModel (see ShirtifyAgentService and the chatModel builder using
logRequests(true) and logResponses(true)); change this to use a configurable
flag (default false) from configuration instead of hardcoding true, update
ShirtifyAgentService to accept a boolean (or config object) and pass that flag
into the chatModel builder (calling logRequests(flag) and logResponses(flag)),
add the new boolean property to ShirtifyConfiguration, and modify
ShirtifyApplication to read that config and pass it when instantiating
ShirtifyAgentService so logging is off by default and can be enabled via config.
In `@examples/kotlin/shirtify-dropwizard/src/main/resources/config.yml`:
- Around line 1-16: The Dropwizard bootstrap in ShirtifyApplication.initialize()
must enable environment variable substitution so ${OPENAI_API_KEY} is resolved;
update the initialize(bootstrap: Bootstrap<ShirtifyConfiguration>) method to
register the Kotlin module (bootstrap.objectMapper.registerKotlinModule()) and
call bootstrap.setConfigurationSourceProvider(...) wrapping
bootstrap.configurationSourceProvider with SubstitutingSourceProvider and an
EnvironmentVariableSubstitutor so configuration values like openaiApiKey are
replaced from the environment at startup.
In
`@examples/kotlin/shirtify-langchain4j/gradle/wrapper/gradle-wrapper.properties`:
- Around line 1-7: Update the Gradle wrapper distribution URL to use Gradle
9.3.1 by changing the distributionUrl value; specifically modify the
distributionUrl key (currently pointing to gradle-8.11.1-bin.zip) to
https\://services.gradle.org/distributions/gradle-9.3.1-bin.zip while keeping
existing settings like validateDistributionUrl, distributionBase,
distributionPath, networkTimeout, zipStoreBase, and zipStorePath unchanged.
In `@examples/kotlin/shirtify-langchain4j/gradlew`:
- Around line 189-199: When downloading gradle-wrapper.jar, add SHA-256
validation: define an EXPECTED_SHA256 variable with the official Gradle 8.11.1
hash, download to a temporary file (e.g.,
"$APP_HOME/gradle/wrapper/gradle-wrapper.jar.tmp"), compute its checksum with
sha256sum or shasum -a 256, compare it to EXPECTED_SHA256, and only move the
temp file to "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" if the checksums
match; if they don't match, delete the temp file and call die with a clear
message. Use the existing symbols APP_HOME and the
gradle/wrapper/gradle-wrapper.jar path to locate where to add the check and
update the curl step to write to the temp file and perform the verification
before the final existence check.
In `@examples/kotlin/shirtify-langchain4j/gradlew.bat`:
- Around line 1-101: The gradlew.bat file uses LF-only line endings which breaks
cmd.exe parsing for batch labels and GOTO/CALL; convert this file to CRLF line
endings and enforce CRLF in repository settings (add a .gitattributes entry like
"*.bat text eol=crlf") so labels such as :findJavaFromJavaHome, :execute, :fail
and :mainEnd are parsed correctly on Windows; then re-commit the CRLF-converted
gradlew.bat.
- Around line 76-84: The script currently downloads gradle-wrapper.jar with curl
and proceeds to run Gradle without verifying download success or integrity;
update the gradlew.bat logic around the gradle-wrapper.jar download to fail fast
and verify integrity: either require the committed gradle-wrapper.jar
(preferred) or after curl completes, check that the file exists and its SHA-256
matches the known hash
(2db75c40782f5e8ba1fc278a5574bab070adccb2d21ca5a6e5ed840888448046) and if the
check fails, delete the bad file, print an error via echo and exit with non-zero
status; ensure these checks reference the same
"%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" path and that execution of
org.gradle.wrapper.GradleWrapperMain only occurs after successful validation.
In
`@examples/kotlin/shirtify-langchain4j/src/main/kotlin/com/shirtify/agent/A2AController.kt`:
- Around line 51-57: The Task data class currently uses mutable lists and is
stored in an unbounded concurrent map; change Task to hold immutable
List<Message> and List<Artifact> (e.g., val messages: List<Message>, val
artifacts: List<Artifact>) and update all places that mutate them to use
copy-on-write via Task.copy(...) (e.g., copy(messages = messages + newMessage)
or messages.toList() when constructing) so no in-place mutation occurs while
stored in the map; replace or wrap the raw concurrent map with a
bounded/TTL-backed cache (e.g., Caffeine or a ConcurrentHashMap plus a scheduled
cleanup) to enforce maximum size and automatic eviction of completed/old tasks,
and ensure update methods perform atomic read-modify-write (compute/replace) on
the map using the Task.copy approach to maintain thread-safety.
🧹 Nitpick comments (1)
examples/kotlin/shirtify-langchain4j/src/main/resources/application.yml (1)
14-15: Consider the privacy implications of request/response logging.Enabling
log-requests: trueandlog-responses: truewill log full payloads including user prompts and AI responses. While acceptable for local debugging in an example project, ensure this is disabled or appropriately filtered in any production-like deployment to avoid logging sensitive user data.
| #Thu Feb 05 00:09:41 IST 2026 | ||
| gradle.version=8.11.1 |
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Remove this file from version control.
The .gradle/ directory contains build-time artifacts auto-generated by Gradle and should not be committed. These files are machine-specific, can cause merge conflicts, and will be regenerated on each build.
Add .gradle/ to your .gitignore file if not already present, then remove this file from the repository.
#!/bin/bash
# Check if .gradle is already in .gitignore
echo "=== Checking .gitignore for .gradle exclusion ==="
if [ -f .gitignore ]; then
grep -n "\.gradle" .gitignore || echo ".gradle not found in .gitignore"
else
echo "No .gitignore found at repository root"
fi
# Check for other .gradle directories that may have been committed
echo ""
echo "=== Checking for other committed .gradle directories ==="
fd -t d -H "^\.gradle$" examples/🤖 Prompt for AI Agents
In
`@examples/kotlin/shirtify-dropwizard/.gradle/buildOutputCleanup/cache.properties`
around lines 1 - 2, The committed Gradle build artifact file cache.properties
inside the .gradle directory should be removed from version control: add
".gradle/" to the repository .gitignore (if not already present) and remove the
tracked file(s) (e.g., the committed cache.properties under .gradle) from the
index so they are not committed (use git rm --cached or equivalent), then commit
the .gitignore and the removal; verify no other .gradle directories/files remain
tracked and ensure future builds regenerate these files locally.
| plugins { | ||
| kotlin("jvm") version "1.9.25" | ||
| application | ||
| id("com.github.johnrengelman.shadow") version "8.1.1" | ||
| } | ||
|
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||
| group = "com.shirtify" | ||
| version = "1.0.0" | ||
|
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| application { | ||
| mainClass.set("com.shirtify.agent.ShirtifyApplicationKt") | ||
| } | ||
|
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| java { | ||
| toolchain { | ||
| languageVersion = JavaLanguageVersion.of(17) | ||
| } | ||
| } | ||
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| repositories { | ||
| mavenCentral() | ||
| } | ||
|
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| val dropwizardVersion = "4.0.7" | ||
| val langchain4jVersion = "1.11.0" | ||
|
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| dependencies { | ||
| // Dropwizard | ||
| implementation("io.dropwizard:dropwizard-core:$dropwizardVersion") | ||
|
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| // LangChain4j (core, no Spring Boot starters) | ||
| implementation("dev.langchain4j:langchain4j:$langchain4jVersion") | ||
| implementation("dev.langchain4j:langchain4j-open-ai:$langchain4jVersion") | ||
| implementation("dev.langchain4j:langchain4j-kotlin:$langchain4jVersion") | ||
|
|
||
| // Kotlin | ||
| implementation("com.fasterxml.jackson.module:jackson-module-kotlin:2.17.2") | ||
| implementation("org.jetbrains.kotlin:kotlin-reflect") | ||
|
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||
| // Test | ||
| testImplementation("io.dropwizard:dropwizard-testing:$dropwizardVersion") | ||
| testImplementation("org.junit.jupiter:junit-jupiter:5.10.2") | ||
| } | ||
|
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||
| kotlin { | ||
| compilerOptions { | ||
| freeCompilerArgs.addAll("-Xjsr305=strict") | ||
| javaParameters = true // Required for LangChain4j tool parameter names | ||
| } | ||
| } | ||
|
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||
| tasks.withType<Test> { | ||
| useJUnitPlatform() | ||
| } | ||
|
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||
| tasks.named<com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar>("shadowJar") { | ||
| archiveBaseName.set("shirtify-dropwizard") | ||
| archiveClassifier.set("") | ||
| archiveVersion.set("") | ||
| mergeServiceFiles() | ||
| manifest { | ||
| attributes["Main-Class"] = "com.shirtify.agent.ShirtifyApplicationKt" | ||
| } | ||
| } |
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🧩 Analysis chain
🌐 Web query:
Dropwizard 4.0.7 latest version security advisories 2025
💡 Result:
What security advisories in 2025 matter for Dropwizard 4.0.7?
Dropwizard 4.0.7 itself (released Mar 6, 2024) doesn’t have a widely-cited “Dropwizard-core” CVE issued in 2025; the main 2025 risk comes from transitive dependencies you may be pulling in.
Notable 2025 advisories that can impact typical Dropwizard apps
- CVE-2025-12383 (Eclipse Jersey) – race condition that can cause critical SSL settings to be ignored in specific Jersey versions; patched in 2.46 / 3.0.17 / 3.1.10. If your Dropwizard app resolves an affected Jersey version (directly or via overrides), you should upgrade Jersey (or Dropwizard) accordingly. [1]
- CVE-2025-8885 (Bouncy Castle bcprov / bc-fips) – potential DoS via excessive allocation when processing specially formed ASN.1 Object Identifiers; affects bcprov up to 1.77 (fixes are in later releases per vendor ecosystem). If your dependency tree includes affected Bouncy Castle, upgrade that library or upgrade Dropwizard to a release that pulls a fixed version. [2]
Dropwizard-specific advisory (not 2025, but often flagged)
- CVE-2020-5245 / GHSA-3mcp-9wr4-cjqf – Dropwizard Validation “self-validating” feature could allow Java EL injection leading to RCE in older versions; fixed long ago, but it’s a common scanner finding to verify against. [3]
“Latest version” context (so you can patch effectively)
- Dropwizard 5.0.0 was released Sep 16, 2025. [4]
- Maven Central shows newer releases exist, including Dropwizard 5.0.1 (Jan 27, 2026) and Dropwizard 4.0.17 (Jan 27, 2026). [5]
- Dropwizard maintainers announced Dropwizard 4.0.x EOL: Jan 31, 2026. [6]
Practical takeaway: for “2025 security advisories” affecting a 4.0.7-based app, you generally need to (1) check the resolved versions of Jersey/BouncyCastle/etc. in your dependency tree, and (2) upgrade Dropwizard (preferably) or override those dependencies to patched versions.
Sources: [1] [2] [3] [4] [5] [6]
🌐 Web query:
LangChain4j 1.11.0 latest stable version security updates 2025
💡 Result:
- Latest stable LangChain4j version: 1.11.0, released February 4, 2026 (so it’s not a 2025 release). [1]
- “Security updates in 2025” for LangChain4j 1.11.0: Not applicable, because 1.11.0 didn’t exist in 2025. [1]
- Known 2025 CVEs specifically for “LangChain4j” projects: A published 2025 CVE I can find targets LangChain4j-AIDeepin (a separate community project), not the langchain4j/langchain4j core library. It’s fixed in LangChain4j-AIDeepin 3.5.0. [2]
- Where LangChain4j core publishes updates: LangChain4j’s docs point to the GitHub Releases page for official release notes (including fixes). [3]
Sources: GitHub Releases (langchain4j/langchain4j) [1], INCIBE CVE-2025-21604 (LangChain4j-AIDeepin) [2], LangChain4j docs “Latest Release Notes” [3].
🌐 Web query:
Kotlin 1.9.25 JVM plugin latest version Java 17 compatibility
💡 Result:
- Kotlin JVM Gradle plugin version
1.9.25is published on the Gradle Plugin Portal (created July 19, 2024). [1] - Latest
org.jetbrains.kotlin.jvmplugin on the Gradle Plugin Portal (as of Feb 4, 2026) is2.3.20-Beta1(created Jan 8, 2026). [2]
Java 17 compatibility (with Kotlin 1.9.25 / KGP 1.9.25):
- Kotlin/JVM supports generating Java 17 bytecode by setting
jvmTarget = 17(the Kotlin compiler’s-jvm-targetsupports values including 17). [3] - In Gradle, the recommended way is to use a JVM toolchain (example:
kotlin { jvmToolchain(17) }). [4] - Also ensure your Gradle runtime is compatible with Java 17 (modern Gradle versions run on JVM 17+). [5]
Sources:
[1] Gradle Plugin Portal – org.jetbrains.kotlin.jvm version 1.9.25 page.
[2] Gradle Plugin Portal – org.jetbrains.kotlin.jvm (latest) page.
[3] Kotlin docs – compiler option -jvm-target.
[4] Kotlin docs – Gradle toolchain configuration.
[5] Gradle docs – Java/Gradle compatibility matrix.
🌐 Web query:
jackson-module-kotlin 2.17.2 security advisories latest version
💡 Result:
- Security advisories for
com.fasterxml.jackson.module:jackson-module-kotlin2.17.2: Jackson’s Kotlin module repo currently shows no published security advisories. [1] - What to watch instead:
jackson-module-kotlinpulls injackson-databind(and annotations) as dependencies, so most real-world Jackson CVEs typically apply via those core components rather than the Kotlin module itself. [2] - Latest version (same Maven coordinates): On Maven Central, the newest published
com.fasterxml.jackson.module:jackson-module-kotlindirectory version is 2.20.1 (dated 2025-10-31). [2] - Context for 2.17.2: Jackson 2.17.2 was released July 5, 2024 as a patch release. [3]
Sources:
[1] GitHub Security overview for FasterXML/jackson-module-kotlin (“There aren’t any published security advisories”) (github.com)
[2] Maven Central repository directory listing for jackson-module-kotlin (shows latest as 2.20.1) (repo1.maven.org)
[3] FasterXML Jackson Wiki: “Jackson Release 2.17.2” (released July 5, 2024) (github.com)
Citations:
- 1: https://github.com/FasterXML/jackson-module-kotlin/security?utm_source=openai
- 2: https://repo1.maven.org/maven2/com/fasterxml/jackson/module/jackson-module-kotlin/?utm_source=openai
- 3: https://github.com/FasterXML/jackson/wiki/Jackson-Release-2.17.2?utm_source=openai
🌐 Web query:
JUnit Jupiter 5.10.2 latest stable version 2025
💡 Result:
JUnit Jupiter 5.10.2 is not the latest stable in 2025.
The latest stable (GA) JUnit Jupiter version released in 2025 was 5.14.1, released October 31, 2025. [1]
(Just before that: 5.14.0, released September 30, 2025.) [2]
Maven/Gradle coordinate: org.junit.jupiter:junit-jupiter:5.14.1 [1]
Sources
[1] (docs.junit.org)
[2] (docs.junit.org)
Citations:
- 1: https://docs.junit.org/6.0.2/release-notes.html?utm_source=openai
- 2: https://docs.junit.org/5.14.0/release-notes/?utm_source=openai
Upgrade Dropwizard and dependencies immediately: 4.0.7 is end-of-life (Jan 31, 2026) and has unpatched transitive dependency vulnerabilities.
Dropwizard 4.0.7 (Mar 6, 2024) is at or past EOL with no further support. Additionally, 2025 advisories affect libraries it typically pulls in: CVE-2025-12383 (Eclipse Jersey — SSL configuration bypass) and CVE-2025-8885 (Bouncy Castle — DoS). Upgrade to Dropwizard 5.0.1 (Jan 27, 2026) or at minimum 4.0.17, or manually override Jersey and Bouncy Castle to patched versions.
Other outdated dependencies worth upgrading:
- Kotlin JVM plugin: 1.9.25 → 2.3.20 (or stable 2.2.x)
- jackson-module-kotlin: 2.17.2 → 2.20.1
- JUnit Jupiter: 5.10.2 → 5.14.1
LangChain4j 1.11.0 is the current stable version (no issues).
🤖 Prompt for AI Agents
In `@examples/kotlin/shirtify-dropwizard/build.gradle.kts` around lines 1 - 64,
The build uses end-of-life Dropwizard 4.0.7 and several outdated plugins/deps;
update the dropwizardVersion variable (from "4.0.7") to a supported release
(preferably "5.0.1" or at minimum "4.0.17") or add forced resolution/constraints
for patched Jersey/BouncyCastle transitive deps, and update the Kotlin plugin
version string in plugins (kotlin("jvm") version "1.9.25"),
jackson-module-kotlin dependency
("com.fasterxml.jackson.module:jackson-module-kotlin:2.17.2") and JUnit
dependency ("org.junit.jupiter:junit-jupiter:5.10.2") to the recommended safe
versions (e.g., Kotlin 2.3.x/2.2.x, jackson 2.20.1, JUnit 5.14.1); ensure
application of these new versions propagates to the ShadowJar manifest settings
that reference Main-Class and that the kotlin.compilerOptions comment about
javaParameters remains valid.
| # Download gradle wrapper jar if not present | ||
| if [ ! -f "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" ]; then | ||
| echo "Downloading Gradle Wrapper..." | ||
| mkdir -p "$APP_HOME/gradle/wrapper" | ||
| curl -sL "https://raw.githubusercontent.com/gradle/gradle/v8.11.1/gradle/wrapper/gradle-wrapper.jar" -o "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" | ||
| if [ ! -f "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" ]; then | ||
| die "ERROR: Could not download gradle-wrapper.jar. Please download it manually from: | ||
| https://github.com/gradle/gradle/raw/v8.11.1/gradle/wrapper/gradle-wrapper.jar | ||
| and place it in: $APP_HOME/gradle/wrapper/" | ||
| fi | ||
| fi |
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🧩 Analysis chain
🌐 Web query:
Gradle 8.11.1 gradle-wrapper.jar official SHA-256 checksum
💡 Result:
Gradle 8.11.1 gradle-wrapper.jar official SHA-256 checksum is:
2db75c40782f5e8ba1fc278a5574bab070adccb2d21ca5a6e5ed840888448046 [1]
🌐 Web query:
Gradle wrapper jar official distribution SHA-256 verification
💡 Result:
To verify a checked-in gradle/wrapper/gradle-wrapper.jar against the official Gradle distribution SHA-256:
1) Get the official SHA-256 for the wrapper JAR
Gradle publishes official wrapper-JAR checksums and also serves per-version .sha256 files. (docs.gradle.org)
Example (replace version as needed):
- Official checksum file:
https://services.gradle.org/distributions/gradle-<VERSION>-wrapper.jar.sha256(docs.gradle.org) - Checksum list page (all versions):
gradle.org/release-checksums(gradle.org)
2) Verify locally (SHA-256)
Linux
cd gradle/wrapper
curl -L -o gradle-wrapper.jar.sha256 https://services.gradle.org/distributions/gradle-<VERSION>-wrapper.jar.sha256
echo " gradle-wrapper.jar" >> gradle-wrapper.jar.sha256
sha256sum --check gradle-wrapper.jar.sha256macOS
cd gradle/wrapper
curl -L -o gradle-wrapper.jar.sha256 https://services.gradle.org/distributions/gradle-<VERSION>-wrapper.jar.sha256
echo " gradle-wrapper.jar" >> gradle-wrapper.jar.sha256
shasum --check gradle-wrapper.jar.sha256Windows (PowerShell)
$expected = Invoke-RestMethod -Uri https://services.gradle.org/distributions/gradle-<VERSION>-wrapper.jar.sha256
$actual = (Get-FileHash gradle\wrapper\gradle-wrapper.jar -Algorithm SHA256).Hash.ToLower()
@{$true='OK: Checksum match'; $false="ERROR: Checksum mismatch!`nExpected: $expected`nActual: $actual"}[$actual -eq $expected]3) Notes / pitfalls
- Wrapper JARs generated by Gradle 3.3 to 4.0.2 are not verifiable via published checksums (non-reproducible). (docs.gradle.org)
- For CI/pull requests, use Gradle’s Wrapper Validation GitHub Action (and
setup-gradlev4+ can validate automatically). (community.gradle.org)
If you tell me the Gradle version in your gradle-wrapper.properties (the distributionUrl), I can point you to the exact official .sha256 URL to use.
Citations:
- 1: https://docs.gradle.org/current/userguide/gradle_wrapper.html?utm_source=openai
- 2: https://docs.gradle.org/current/userguide/gradle_wrapper.html?utm_source=openai
- 3: https://gradle.org/release-checksums.html?utm_source=openai
- 4: https://docs.gradle.org/current/userguide/gradle_wrapper.html?utm_source=openai
- 5: https://docs.gradle.org/current/userguide/gradle_wrapper.html?utm_source=openai
- 6: https://docs.gradle.org/current/userguide/gradle_wrapper.html?utm_source=openai
- 7: https://docs.gradle.org/current/userguide/gradle_wrapper.html?utm_source=openai
- 8: https://community.gradle.org/github-actions/docs/wrapper-validation/?utm_source=openai
Add checksum verification for downloaded gradle-wrapper.jar.
Downloading an executable jar without integrity validation is a supply-chain risk. Additionally, the script sources from GitHub raw URLs instead of Gradle's official distribution channel. Validate the SHA-256 checksum after download, or better, use Gradle's official services.gradle.org distribution URL.
🔒 Example: Verify against official checksum
# Download gradle wrapper jar if not present
if [ ! -f "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" ]; then
echo "Downloading Gradle Wrapper..."
mkdir -p "$APP_HOME/gradle/wrapper"
curl -sL "https://raw.githubusercontent.com/gradle/gradle/v8.11.1/gradle/wrapper/gradle-wrapper.jar" -o "$APP_HOME/gradle/wrapper/gradle-wrapper.jar"
+ # Official checksum: https://services.gradle.org/distributions/gradle-8.11.1-wrapper.jar.sha256
+ EXPECTED_SHA256="2db75c40782f5e8ba1fc278a5574bab070adccb2d21ca5a6e5ed840888448046"
+ ACTUAL_SHA256=$(sha256sum "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" | awk '{print $1}')
+ if [ "$ACTUAL_SHA256" != "$EXPECTED_SHA256" ]; then
+ die "ERROR: gradle-wrapper.jar checksum mismatch. Expected: $EXPECTED_SHA256, Got: $ACTUAL_SHA256"
+ fi
if [ ! -f "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" ]; then
die "ERROR: Could not download gradle-wrapper.jar. Please download it manually from:
https://github.com/gradle/gradle/raw/v8.11.1/gradle/wrapper/gradle-wrapper.jar
and place it in: $APP_HOME/gradle/wrapper/"
fi
fiAlternatively, download from Gradle's official distribution and fetch the checksum dynamically:
GRADLE_VERSION="8.11.1"
curl -fsSL "https://services.gradle.org/distributions/gradle-${GRADLE_VERSION}-wrapper.jar" -o "$APP_HOME/gradle/wrapper/gradle-wrapper.jar"
curl -fsSL "https://services.gradle.org/distributions/gradle-${GRADLE_VERSION}-wrapper.jar.sha256" | awk '{print $1}' > /tmp/expected.sha256
sha256sum "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" | awk '{print $1}' > /tmp/actual.sha256
cmp /tmp/expected.sha256 /tmp/actual.sha256 || die "Checksum mismatch"📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| # Download gradle wrapper jar if not present | |
| if [ ! -f "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" ]; then | |
| echo "Downloading Gradle Wrapper..." | |
| mkdir -p "$APP_HOME/gradle/wrapper" | |
| curl -sL "https://raw.githubusercontent.com/gradle/gradle/v8.11.1/gradle/wrapper/gradle-wrapper.jar" -o "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" | |
| if [ ! -f "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" ]; then | |
| die "ERROR: Could not download gradle-wrapper.jar. Please download it manually from: | |
| https://github.com/gradle/gradle/raw/v8.11.1/gradle/wrapper/gradle-wrapper.jar | |
| and place it in: $APP_HOME/gradle/wrapper/" | |
| fi | |
| fi | |
| # Download gradle wrapper jar if not present | |
| if [ ! -f "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" ]; then | |
| echo "Downloading Gradle Wrapper..." | |
| mkdir -p "$APP_HOME/gradle/wrapper" | |
| curl -sL "https://raw.githubusercontent.com/gradle/gradle/v8.11.1/gradle/wrapper/gradle-wrapper.jar" -o "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" | |
| # Official checksum: https://services.gradle.org/distributions/gradle-8.11.1-wrapper.jar.sha256 | |
| EXPECTED_SHA256="2db75c40782f5e8ba1fc278a5574bab070adccb2d21ca5a6e5ed840888448046" | |
| ACTUAL_SHA256=$(sha256sum "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" | awk '{print $1}') | |
| if [ "$ACTUAL_SHA256" != "$EXPECTED_SHA256" ]; then | |
| die "ERROR: gradle-wrapper.jar checksum mismatch. Expected: $EXPECTED_SHA256, Got: $ACTUAL_SHA256" | |
| fi | |
| if [ ! -f "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" ]; then | |
| die "ERROR: Could not download gradle-wrapper.jar. Please download it manually from: | |
| https://github.com/gradle/gradle/raw/v8.11.1/gradle/wrapper/gradle-wrapper.jar | |
| and place it in: $APP_HOME/gradle/wrapper/" | |
| fi | |
| fi |
🤖 Prompt for AI Agents
In `@examples/kotlin/shirtify-dropwizard/gradlew` around lines 189 - 199, Replace
the direct raw.githubusercontent download with a secure download-and-verify
flow: use the official Gradle distribution URL (e.g.,
services.gradle.org/distributions/gradle-${GRADLE_VERSION}-wrapper.jar),
download with curl -fsSL into "$APP_HOME/gradle/wrapper/gradle-wrapper.jar",
fetch the corresponding .sha256 from services.gradle.org (e.g.,
gradle-${GRADLE_VERSION}-wrapper.jar.sha256), compute the SHA-256 of the
downloaded "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" and compare it to the
expected checksum, and if they differ call die with a clear error; keep the
existing mkdir -p "$APP_HOME/gradle/wrapper" and the final existence check but
fail fast on checksum mismatch using the GRADLE_VERSION variable to locate both
files.
| @rem | ||
| @rem Copyright 2015 the original author or authors. | ||
| @rem | ||
| @rem Licensed under the Apache License, Version 2.0 (the "License"); | ||
| @rem you may not use this file except in compliance with the License. | ||
| @rem You may obtain a copy of the License at | ||
| @rem | ||
| @rem https://www.apache.org/licenses/LICENSE-2.0 | ||
| @rem | ||
| @rem Unless required by applicable law or agreed to in writing, software | ||
| @rem distributed under the License is distributed on an "AS IS" BASIS, | ||
| @rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| @rem See the License for the specific language governing permissions and | ||
| @rem limitations under the License. | ||
| @rem | ||
| @rem SPDX-License-Identifier: Apache-2.0 | ||
| @rem | ||
|
|
||
| @if "%DEBUG%"=="" @echo off | ||
| @rem ########################################################################## | ||
| @rem | ||
| @rem Gradle startup script for Windows | ||
| @rem | ||
| @rem ########################################################################## | ||
|
|
||
| @rem Set local scope for the variables with windows NT shell | ||
| if "%OS%"=="Windows_NT" setlocal | ||
|
|
||
| set DIRNAME=%~dp0 | ||
| if "%DIRNAME%"=="" set DIRNAME=. | ||
| @rem This is normally unused | ||
| set APP_BASE_NAME=%~n0 | ||
| set APP_HOME=%DIRNAME% | ||
|
|
||
| @rem Resolve any "." and ".." in APP_HOME to make it shorter. | ||
| for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi | ||
|
|
||
| @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. | ||
| set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" | ||
|
|
||
| @rem Find java.exe | ||
| if defined JAVA_HOME goto findJavaFromJavaHome | ||
|
|
||
| set JAVA_EXE=java.exe | ||
| %JAVA_EXE% -version >NUL 2>&1 | ||
| if %ERRORLEVEL% equ 0 goto execute | ||
|
|
||
| echo. 1>&2 | ||
| echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2 | ||
| echo. 1>&2 | ||
| echo Please set the JAVA_HOME variable in your environment to match the 1>&2 | ||
| echo location of your Java installation. 1>&2 | ||
|
|
||
| goto fail | ||
|
|
||
| :findJavaFromJavaHome | ||
| set JAVA_HOME=%JAVA_HOME:"=% | ||
| set JAVA_EXE=%JAVA_HOME%/bin/java.exe | ||
|
|
||
| if exist "%JAVA_EXE%" goto execute | ||
|
|
||
| echo. 1>&2 | ||
| echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2 | ||
| echo. 1>&2 | ||
| echo Please set the JAVA_HOME variable in your environment to match the 1>&2 | ||
| echo location of your Java installation. 1>&2 | ||
|
|
||
| goto fail | ||
|
|
||
| :execute | ||
| @rem Setup the command line | ||
|
|
||
| set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar | ||
|
|
||
|
|
||
| @rem Download gradle wrapper jar if not present | ||
| if not exist "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" ( | ||
| echo Downloading Gradle Wrapper... | ||
| mkdir "%APP_HOME%\gradle\wrapper" 2>NUL | ||
| curl -sL "https://raw.githubusercontent.com/gradle/gradle/v8.11.1/gradle/wrapper/gradle-wrapper.jar" -o "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" | ||
| ) | ||
|
|
||
| @rem Execute Gradle | ||
| "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* | ||
|
|
||
| :end | ||
| @rem End local scope for the variables with windows NT shell | ||
| if %ERRORLEVEL% equ 0 goto mainEnd | ||
|
|
||
| :fail | ||
| rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of | ||
| rem the _cmd.exe /c_ return code! | ||
| set EXIT_CODE=%ERRORLEVEL% | ||
| if %EXIT_CODE% equ 0 set EXIT_CODE=1 | ||
| if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE% | ||
| exit /b %EXIT_CODE% | ||
|
|
||
| :mainEnd | ||
| if "%OS%"=="Windows_NT" endlocal | ||
|
|
||
| :omega |
There was a problem hiding this comment.
🧩 Analysis chain
🏁 Script executed:
#!/bin/bash
# Check line endings
python - <<'PY'
from pathlib import Path
p = Path("examples/kotlin/shirtify-dropwizard/gradlew.bat")
data = p.read_bytes()
crlf = data.count(b'\r\n')
lf = data.count(b'\n')
lf_only = lf - crlf
print(f"CRLF count: {crlf}")
print(f"LF-only count: {lf_only}")
if lf_only > 0:
print("Status: File has LF-only line endings (missing CR)")
else:
print("Status: File uses CRLF line endings (Windows-compatible)")
PYRepository: qualifire-dev/rogue
Length of output: 146
🏁 Script executed:
# Check the download block for integrity verification
cat -n examples/kotlin/shirtify-dropwizard/gradlew.bat | sed -n '80,101p'Repository: qualifire-dev/rogue
Length of output: 971
🏁 Script executed:
# Check if curl command includes any verification or if there's error handling
grep -A 5 "curl" examples/kotlin/shirtify-dropwizard/gradlew.batRepository: qualifire-dev/rogue
Length of output: 403
Fix Windows batch compatibility and jar download safety.
- Convert to CRLF line endings: LF-only can break GOTO/CALL parsing in cmd.exe; use CRLF or enforce via
.gitattributes. - Secure the jar download: Add integrity verification (checksum validation) and error handling for the curl command to prevent execution with a corrupted or missing wrapper jar.
🧰 Tools
🪛 Blinter (1.0.112)
[error] 1-1: Unix line endings detected. Explanation: Batch file uses Unix line endings (LF-only) which can cause GOTO/CALL label parsing failures and script malfunction due to Windows batch parser 512-byte boundary bugs. Recommendation: Convert file to Windows line endings (CRLF). Use tools like dos2unix, notepad++, or configure git with 'git config core.autocrlf true'. Context: File uses Unix line endings (LF-only) - 101 LF sequences found
(E018)
[error] 95-95: Complex quote escaping error. Explanation: Complex quote patterns may not be handled correctly by the command interpreter. Recommendation: Use triple-quote pattern """text""" for quotes within quoted strings, or escape properly with variables. Context: Complex quote escaping detected
(E028)
[error] 29-29: Unsafe SET command usage. Explanation: SET commands without proper validation or quoting can cause security issues. Recommendation: Always quote SET values and validate input: SET "var=safe value". Context: SET command value should be quoted for safety
(SEC002)
[error] 45-45: Command injection via variable substitution. Explanation: Variables containing user input used in commands may allow code injection. Recommendation: Validate and sanitize variables before use in command execution. Context: Variable used with shell operators may allow injection
(SEC013)
🤖 Prompt for AI Agents
In `@examples/kotlin/shirtify-dropwizard/gradlew.bat` around lines 1 - 101, The
gradlew.bat has two issues: Windows cmd parsing can break with LF-only endings
and the gradle-wrapper.jar download lacks integrity/error handling; fix by
normalizing this file to CRLF line endings (or add a .gitattributes entry
forcing CRLF for gradlew.bat) and modify the download block that sets
CLASSPATH/%APP_HOME%\gradle\wrapper\gradle-wrapper.jar to (1) download to a
temporary file, (2) verify a known checksum (e.g., SHA256) of the temp file and
only move it into %APP_HOME%\gradle\wrapper\gradle-wrapper.jar on success, and
(3) fail with a clear error and non-zero exit if curl fails or checksum
mismatches before reaching the :execute/Execute Gradle step that invokes
org.gradle.wrapper.GradleWrapperMain; ensure error paths return appropriate
EXIT_CODE and avoid running the wrapper when verification fails.
| @rem Download gradle wrapper jar if not present | ||
| if not exist "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" ( | ||
| echo Downloading Gradle Wrapper... | ||
| mkdir "%APP_HOME%\gradle\wrapper" 2>NUL | ||
| curl -sL "https://raw.githubusercontent.com/gradle/gradle/v8.11.1/gradle/wrapper/gradle-wrapper.jar" -o "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" | ||
| ) | ||
|
|
||
| @rem Execute Gradle | ||
| "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* |
There was a problem hiding this comment.
🧩 Analysis chain
🏁 Script executed:
find . -name "gradlew.bat" -type fRepository: qualifire-dev/rogue
Length of output: 163
🏁 Script executed:
cat -n examples/kotlin/shirtify-dropwizard/gradlew.batRepository: qualifire-dev/rogue
Length of output: 3992
🌐 Web query:
Gradle 8.11.1 gradle-wrapper.jar SHA-256 checksum official
💡 Result:
Gradle 8.11.1 gradle-wrapper.jar official SHA-256:
2db75c40782f5e8ba1fc278a5574bab070adccb2d21ca5a6e5ed840888448046 [1]
Add error handling for gradle-wrapper.jar download.
The script downloads the jar silently using curl -sL without checking for download failures. If the download fails, the script continues to line 84 and attempts to execute with a missing or corrupted jar, causing a confusing error. Add a fail-fast check immediately after the download to exit cleanly on failure. The official SHA-256 checksum for Gradle 8.11.1 is 2db75c40782f5e8ba1fc278a5574bab070adccb2d21ca5a6e5ed840888448046 if checksum validation is added.
🔧 Suggested fail-fast check
`@rem` Download gradle wrapper jar if not present
if not exist "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" (
echo Downloading Gradle Wrapper...
mkdir "%APP_HOME%\gradle\wrapper" 2>NUL
curl -sL "https://raw.githubusercontent.com/gradle/gradle/v8.11.1/gradle/wrapper/gradle-wrapper.jar" -o "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar"
+ if not exist "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" (
+ echo ERROR: Could not download gradle-wrapper.jar. 1>&2
+ goto fail
+ )
)📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| @rem Download gradle wrapper jar if not present | |
| if not exist "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" ( | |
| echo Downloading Gradle Wrapper... | |
| mkdir "%APP_HOME%\gradle\wrapper" 2>NUL | |
| curl -sL "https://raw.githubusercontent.com/gradle/gradle/v8.11.1/gradle/wrapper/gradle-wrapper.jar" -o "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" | |
| ) | |
| @rem Execute Gradle | |
| "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* | |
| `@rem` Download gradle wrapper jar if not present | |
| if not exist "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" ( | |
| echo Downloading Gradle Wrapper... | |
| mkdir "%APP_HOME%\gradle\wrapper" 2>NUL | |
| curl -sL "https://raw.githubusercontent.com/gradle/gradle/v8.11.1/gradle/wrapper/gradle-wrapper.jar" -o "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" | |
| if not exist "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" ( | |
| echo ERROR: Could not download gradle-wrapper.jar. 1>&2 | |
| goto fail | |
| ) | |
| ) | |
| `@rem` Execute Gradle | |
| "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* |
🤖 Prompt for AI Agents
In `@examples/kotlin/shirtify-dropwizard/gradlew.bat` around lines 76 - 84, The
gradlew.bat download block does not check for curl failures or verify the
downloaded "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar", so add a fail-fast
check immediately after the curl invocation: verify the file exists and is
non-empty (and optionally validate its SHA-256 against
2db75c40782f5e8ba1fc278a5574bab070adccb2d21ca5a6e5ed840888448046) and if the
check fails, emit an error via echo and exit with a non-zero code (e.g., exit /b
1) before reaching the Gradle execution line that runs
org.gradle.wrapper.GradleWrapperMain; keep checks referencing
"%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" and the existing curl download
command so it’s clear where to insert the validation.
| distributionBase=GRADLE_USER_HOME | ||
| distributionPath=wrapper/dists | ||
| distributionUrl=https\://services.gradle.org/distributions/gradle-8.11.1-bin.zip | ||
| networkTimeout=10000 | ||
| validateDistributionUrl=true | ||
| zipStoreBase=GRADLE_USER_HOME | ||
| zipStorePath=wrapper/dists |
There was a problem hiding this comment.
🧩 Analysis chain
🌐 Web query:
latest stable Gradle version 2026
💡 Result:
As of February 4, 2026, the latest stable Gradle release is 9.3.1, released on January 29, 2026. [1] (Gradle also lists 9.3.x as the current release line on its installation page. [2])
Sources: [1] [2]
Update Gradle to the latest stable version (9.3.1).
The Gradle wrapper configuration itself is solid (security validation is enabled via validateDistributionUrl=true), but Gradle 8.11.1 is outdated. The latest stable version as of February 2026 is 9.3.1 (released January 29, 2026). Update distributionUrl to https\://services.gradle.org/distributions/gradle-9.3.1-bin.zip.
🤖 Prompt for AI Agents
In
`@examples/kotlin/shirtify-langchain4j/gradle/wrapper/gradle-wrapper.properties`
around lines 1 - 7, Update the Gradle wrapper distribution URL to use Gradle
9.3.1 by changing the distributionUrl value; specifically modify the
distributionUrl key (currently pointing to gradle-8.11.1-bin.zip) to
https\://services.gradle.org/distributions/gradle-9.3.1-bin.zip while keeping
existing settings like validateDistributionUrl, distributionBase,
distributionPath, networkTimeout, zipStoreBase, and zipStorePath unchanged.
| # Download gradle wrapper jar if not present | ||
| if [ ! -f "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" ]; then | ||
| echo "Downloading Gradle Wrapper..." | ||
| mkdir -p "$APP_HOME/gradle/wrapper" | ||
| curl -sL "https://raw.githubusercontent.com/gradle/gradle/v8.11.1/gradle/wrapper/gradle-wrapper.jar" -o "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" | ||
| if [ ! -f "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" ]; then | ||
| die "ERROR: Could not download gradle-wrapper.jar. Please download it manually from: | ||
| https://github.com/gradle/gradle/raw/v8.11.1/gradle/wrapper/gradle-wrapper.jar | ||
| and place it in: $APP_HOME/gradle/wrapper/" | ||
| fi | ||
| fi |
There was a problem hiding this comment.
🧩 Analysis chain
🌐 Web query:
Gradle 8.11.1 gradle-wrapper.jar SHA-256 checksum official
💡 Result:
Gradle 8.11.1 gradle-wrapper.jar SHA-256 (official):
2db75c40782f5e8ba1fc278a5574bab070adccb2d21ca5a6e5ed840888448046 [1]
Source: Gradle “Gradle distribution and wrapper JAR checksum reference” (release checksums) [1]
🏁 Script executed:
# Check if gradle-wrapper.jar already exists in the repository
fd -e jar gradle-wrapper examples/kotlin/shirtify-langchain4jRepository: qualifire-dev/rogue
Length of output: 133
🏁 Script executed:
# Check the full context of the gradlew script around lines 189-199
cat -n examples/kotlin/shirtify-langchain4j/gradlew | sed -n '180,210p'Repository: qualifire-dev/rogue
Length of output: 1119
Secure the gradle-wrapper.jar fallback download with checksum validation.
While gradle-wrapper.jar is committed to the repository, the fallback download code (lines 190–199) lacks integrity verification. If the jar is ever missing or deleted, the script downloads it without validating the checksum, creating a supply-chain risk. Add SHA-256 validation for the official Gradle 8.11.1 release.
✓ Checksum validation with official hash
+# Official SHA-256 for gradle-wrapper.jar v8.11.1
+WRAPPER_JAR_SHA256="2db75c40782f5e8ba1fc278a5574bab070adccb2d21ca5a6e5ed840888448046"
+
# Download gradle wrapper jar if not present
if [ ! -f "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" ]; then
echo "Downloading Gradle Wrapper..."
mkdir -p "$APP_HOME/gradle/wrapper"
curl -sL "https://raw.githubusercontent.com/gradle/gradle/v8.11.1/gradle/wrapper/gradle-wrapper.jar" -o "$APP_HOME/gradle/wrapper/gradle-wrapper.jar"
+ echo "$WRAPPER_JAR_SHA256 $APP_HOME/gradle/wrapper/gradle-wrapper.jar" | sha256sum -c - || \
+ die "ERROR: gradle-wrapper.jar checksum mismatch"
if [ ! -f "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" ]; then
die "ERROR: Could not download gradle-wrapper.jar. Please download it manually from:
https://github.com/gradle/gradle/raw/v8.11.1/gradle/wrapper/gradle-wrapper.jar
and place it in: $APP_HOME/gradle/wrapper/"
fi
fi📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| # Download gradle wrapper jar if not present | |
| if [ ! -f "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" ]; then | |
| echo "Downloading Gradle Wrapper..." | |
| mkdir -p "$APP_HOME/gradle/wrapper" | |
| curl -sL "https://raw.githubusercontent.com/gradle/gradle/v8.11.1/gradle/wrapper/gradle-wrapper.jar" -o "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" | |
| if [ ! -f "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" ]; then | |
| die "ERROR: Could not download gradle-wrapper.jar. Please download it manually from: | |
| https://github.com/gradle/gradle/raw/v8.11.1/gradle/wrapper/gradle-wrapper.jar | |
| and place it in: $APP_HOME/gradle/wrapper/" | |
| fi | |
| fi | |
| # Official SHA-256 for gradle-wrapper.jar v8.11.1 | |
| WRAPPER_JAR_SHA256="2db75c40782f5e8ba1fc278a5574bab070adccb2d21ca5a6e5ed840888448046" | |
| # Download gradle wrapper jar if not present | |
| if [ ! -f "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" ]; then | |
| echo "Downloading Gradle Wrapper..." | |
| mkdir -p "$APP_HOME/gradle/wrapper" | |
| curl -sL "https://raw.githubusercontent.com/gradle/gradle/v8.11.1/gradle/wrapper/gradle-wrapper.jar" -o "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" | |
| echo "$WRAPPER_JAR_SHA256 $APP_HOME/gradle/wrapper/gradle-wrapper.jar" | sha256sum -c - || \ | |
| die "ERROR: gradle-wrapper.jar checksum mismatch" | |
| if [ ! -f "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" ]; then | |
| die "ERROR: Could not download gradle-wrapper.jar. Please download it manually from: | |
| https://github.com/gradle/gradle/raw/v8.11.1/gradle/wrapper/gradle-wrapper.jar | |
| and place it in: $APP_HOME/gradle/wrapper/" | |
| fi | |
| fi |
🤖 Prompt for AI Agents
In `@examples/kotlin/shirtify-langchain4j/gradlew` around lines 189 - 199, When
downloading gradle-wrapper.jar, add SHA-256 validation: define an
EXPECTED_SHA256 variable with the official Gradle 8.11.1 hash, download to a
temporary file (e.g., "$APP_HOME/gradle/wrapper/gradle-wrapper.jar.tmp"),
compute its checksum with sha256sum or shasum -a 256, compare it to
EXPECTED_SHA256, and only move the temp file to
"$APP_HOME/gradle/wrapper/gradle-wrapper.jar" if the checksums match; if they
don't match, delete the temp file and call die with a clear message. Use the
existing symbols APP_HOME and the gradle/wrapper/gradle-wrapper.jar path to
locate where to add the check and update the curl step to write to the temp file
and perform the verification before the final existence check.
| @rem | ||
| @rem Copyright 2015 the original author or authors. | ||
| @rem | ||
| @rem Licensed under the Apache License, Version 2.0 (the "License"); | ||
| @rem you may not use this file except in compliance with the License. | ||
| @rem You may obtain a copy of the License at | ||
| @rem | ||
| @rem https://www.apache.org/licenses/LICENSE-2.0 | ||
| @rem | ||
| @rem Unless required by applicable law or agreed to in writing, software | ||
| @rem distributed under the License is distributed on an "AS IS" BASIS, | ||
| @rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| @rem See the License for the specific language governing permissions and | ||
| @rem limitations under the License. | ||
| @rem | ||
| @rem SPDX-License-Identifier: Apache-2.0 | ||
| @rem | ||
|
|
||
| @if "%DEBUG%"=="" @echo off | ||
| @rem ########################################################################## | ||
| @rem | ||
| @rem Gradle startup script for Windows | ||
| @rem | ||
| @rem ########################################################################## | ||
|
|
||
| @rem Set local scope for the variables with windows NT shell | ||
| if "%OS%"=="Windows_NT" setlocal | ||
|
|
||
| set DIRNAME=%~dp0 | ||
| if "%DIRNAME%"=="" set DIRNAME=. | ||
| @rem This is normally unused | ||
| set APP_BASE_NAME=%~n0 | ||
| set APP_HOME=%DIRNAME% | ||
|
|
||
| @rem Resolve any "." and ".." in APP_HOME to make it shorter. | ||
| for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi | ||
|
|
||
| @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. | ||
| set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" | ||
|
|
||
| @rem Find java.exe | ||
| if defined JAVA_HOME goto findJavaFromJavaHome | ||
|
|
||
| set JAVA_EXE=java.exe | ||
| %JAVA_EXE% -version >NUL 2>&1 | ||
| if %ERRORLEVEL% equ 0 goto execute | ||
|
|
||
| echo. 1>&2 | ||
| echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2 | ||
| echo. 1>&2 | ||
| echo Please set the JAVA_HOME variable in your environment to match the 1>&2 | ||
| echo location of your Java installation. 1>&2 | ||
|
|
||
| goto fail | ||
|
|
||
| :findJavaFromJavaHome | ||
| set JAVA_HOME=%JAVA_HOME:"=% | ||
| set JAVA_EXE=%JAVA_HOME%/bin/java.exe | ||
|
|
||
| if exist "%JAVA_EXE%" goto execute | ||
|
|
||
| echo. 1>&2 | ||
| echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2 | ||
| echo. 1>&2 | ||
| echo Please set the JAVA_HOME variable in your environment to match the 1>&2 | ||
| echo location of your Java installation. 1>&2 | ||
|
|
||
| goto fail | ||
|
|
||
| :execute | ||
| @rem Setup the command line | ||
|
|
||
| set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar | ||
|
|
||
|
|
||
| @rem Download gradle wrapper jar if not present | ||
| if not exist "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" ( | ||
| echo Downloading Gradle Wrapper... | ||
| mkdir "%APP_HOME%\gradle\wrapper" 2>NUL | ||
| curl -sL "https://raw.githubusercontent.com/gradle/gradle/v8.11.1/gradle/wrapper/gradle-wrapper.jar" -o "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" | ||
| ) | ||
|
|
||
| @rem Execute Gradle | ||
| "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* | ||
|
|
||
| :end | ||
| @rem End local scope for the variables with windows NT shell | ||
| if %ERRORLEVEL% equ 0 goto mainEnd | ||
|
|
||
| :fail | ||
| rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of | ||
| rem the _cmd.exe /c_ return code! | ||
| set EXIT_CODE=%ERRORLEVEL% | ||
| if %EXIT_CODE% equ 0 set EXIT_CODE=1 | ||
| if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE% | ||
| exit /b %EXIT_CODE% | ||
|
|
||
| :mainEnd | ||
| if "%OS%"=="Windows_NT" endlocal | ||
|
|
||
| :omega |
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🧩 Analysis chain
🏁 Script executed:
#!/bin/bash
python - <<'PY'
from pathlib import Path
p = Path("examples/kotlin/shirtify-langchain4j/gradlew.bat")
data = p.read_bytes()
crlf = data.count(b'\r\n')
lf = data.count(b'\n')
print(f"CRLF={crlf}, LF-only={lf-crlf}")
PYRepository: qualifire-dev/rogue
Length of output: 82
🏁 Script executed:
#!/bin/bash
# Check if .gitattributes exists and contains rules for .bat files
if [ -f .gitattributes ]; then
echo "=== .gitattributes content ==="
cat .gitattributes | grep -i "bat\|eol\|crlf" || echo "(no matching rules found)"
fiRepository: qualifire-dev/rogue
Length of output: 45
Ensure CRLF line endings for Windows batch compatibility.
LF-only endings can break GOTO/CALL parsing in cmd.exe; convert to CRLF or enforce via .gitattributes.
🧰 Tools
🪛 Blinter (1.0.112)
[error] 1-1: Unix line endings detected. Explanation: Batch file uses Unix line endings (LF-only) which can cause GOTO/CALL label parsing failures and script malfunction due to Windows batch parser 512-byte boundary bugs. Recommendation: Convert file to Windows line endings (CRLF). Use tools like dos2unix, notepad++, or configure git with 'git config core.autocrlf true'. Context: File uses Unix line endings (LF-only) - 101 LF sequences found
(E018)
[error] 95-95: Complex quote escaping error. Explanation: Complex quote patterns may not be handled correctly by the command interpreter. Recommendation: Use triple-quote pattern """text""" for quotes within quoted strings, or escape properly with variables. Context: Complex quote escaping detected
(E028)
[error] 29-29: Unsafe SET command usage. Explanation: SET commands without proper validation or quoting can cause security issues. Recommendation: Always quote SET values and validate input: SET "var=safe value". Context: SET command value should be quoted for safety
(SEC002)
[error] 45-45: Command injection via variable substitution. Explanation: Variables containing user input used in commands may allow code injection. Recommendation: Validate and sanitize variables before use in command execution. Context: Variable used with shell operators may allow injection
(SEC013)
🤖 Prompt for AI Agents
In `@examples/kotlin/shirtify-langchain4j/gradlew.bat` around lines 1 - 101, The
gradlew.bat file uses LF-only line endings which breaks cmd.exe parsing for
batch labels and GOTO/CALL; convert this file to CRLF line endings and enforce
CRLF in repository settings (add a .gitattributes entry like "*.bat text
eol=crlf") so labels such as :findJavaFromJavaHome, :execute, :fail and :mainEnd
are parsed correctly on Windows; then re-commit the CRLF-converted gradlew.bat.
| @rem Download gradle wrapper jar if not present | ||
| if not exist "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" ( | ||
| echo Downloading Gradle Wrapper... | ||
| mkdir "%APP_HOME%\gradle\wrapper" 2>NUL | ||
| curl -sL "https://raw.githubusercontent.com/gradle/gradle/v8.11.1/gradle/wrapper/gradle-wrapper.jar" -o "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" | ||
| ) | ||
|
|
||
| @rem Execute Gradle | ||
| "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* |
There was a problem hiding this comment.
🧩 Analysis chain
🏁 Script executed:
find . -name "gradlew.bat" -path "*/shirtify-langchain4j/*" 2>/dev/nullRepository: qualifire-dev/rogue
Length of output: 113
🏁 Script executed:
if [ -f "examples/kotlin/shirtify-langchain4j/gradlew.bat" ]; then
echo "=== File exists, showing lines 76-84 ==="
sed -n '76,84p' "examples/kotlin/shirtify-langchain4j/gradlew.bat"
fiRepository: qualifire-dev/rogue
Length of output: 636
🌐 Web query:
Gradle 8.11.1 gradle-wrapper.jar SHA-256 checksum official
💡 Result:
Gradle 8.11.1 gradle-wrapper.jar official SHA-256:
2db75c40782f5e8ba1fc278a5574bab070adccb2d21ca5a6e5ed840888448046 (gradle.org)
Citations:
Validate gradle-wrapper.jar download before execution.
The script downloads an executable jar without integrity checks and continues even if the download fails. Prefer committing gradle-wrapper.jar to VCS or verify the SHA-256 (2db75c40782f5e8ba1fc278a5574bab070adccb2d21ca5a6e5ed840888448046 for v8.11.1) and fail fast on download failure.
🔧 Suggested fail-fast check with SHA-256 validation
`@rem` Download gradle wrapper jar if not present
if not exist "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" (
echo Downloading Gradle Wrapper...
mkdir "%APP_HOME%\gradle\wrapper" 2>NUL
curl -sL "https://raw.githubusercontent.com/gradle/gradle/v8.11.1/gradle/wrapper/gradle-wrapper.jar" -o "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar"
+ if not exist "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" (
+ echo ERROR: Could not download gradle-wrapper.jar. 1>&2
+ goto fail
+ )
)
+@rem Verify SHA-256 checksum
+for /f %%a in ('certutil -hashfile "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" SHA256 ^| find /v "SHA256" ^| find /v "CertUtil"') do set ACTUAL_HASH=%%a
+if not "%ACTUAL_HASH%"=="2DB75C40782F5E8BA1FC278A5574BAB070ADCCB2D21CA5A6E5ED840888448046" (
+ echo ERROR: SHA-256 checksum mismatch for gradle-wrapper.jar. 1>&2
+ goto fail
+)
+
`@rem` Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| @rem Download gradle wrapper jar if not present | |
| if not exist "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" ( | |
| echo Downloading Gradle Wrapper... | |
| mkdir "%APP_HOME%\gradle\wrapper" 2>NUL | |
| curl -sL "https://raw.githubusercontent.com/gradle/gradle/v8.11.1/gradle/wrapper/gradle-wrapper.jar" -o "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" | |
| ) | |
| @rem Execute Gradle | |
| "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* | |
| `@rem` Download gradle wrapper jar if not present | |
| if not exist "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" ( | |
| echo Downloading Gradle Wrapper... | |
| mkdir "%APP_HOME%\gradle\wrapper" 2>NUL | |
| curl -sL "https://raw.githubusercontent.com/gradle/gradle/v8.11.1/gradle/wrapper/gradle-wrapper.jar" -o "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" | |
| if not exist "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" ( | |
| echo ERROR: Could not download gradle-wrapper.jar. 1>&2 | |
| goto fail | |
| ) | |
| ) | |
| `@rem` Verify SHA-256 checksum | |
| for /f %%a in ('certutil -hashfile "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" SHA256 ^| find /v "SHA256" ^| find /v "CertUtil"') do set ACTUAL_HASH=%%a | |
| if not "%ACTUAL_HASH%"=="2DB75C40782F5E8BA1FC278A5574BAB070ADCCB2D21CA5A6E5ED840888448046" ( | |
| echo ERROR: SHA-256 checksum mismatch for gradle-wrapper.jar. 1>&2 | |
| goto fail | |
| ) | |
| `@rem` Execute Gradle | |
| "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* |
🤖 Prompt for AI Agents
In `@examples/kotlin/shirtify-langchain4j/gradlew.bat` around lines 76 - 84, The
script currently downloads gradle-wrapper.jar with curl and proceeds to run
Gradle without verifying download success or integrity; update the gradlew.bat
logic around the gradle-wrapper.jar download to fail fast and verify integrity:
either require the committed gradle-wrapper.jar (preferred) or after curl
completes, check that the file exists and its SHA-256 matches the known hash
(2db75c40782f5e8ba1fc278a5574bab070adccb2d21ca5a6e5ed840888448046) and if the
check fails, delete the bad file, print an error via echo and exit with non-zero
status; ensure these checks reference the same
"%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" path and that execution of
org.gradle.wrapper.GradleWrapperMain only occurs after successful validation.
| data class Task( | ||
| val id: String, | ||
| val contextId: String, | ||
| val state: String, | ||
| val messages: MutableList<Message> = mutableListOf(), | ||
| val artifacts: MutableList<Artifact> = mutableListOf() | ||
| ) |
There was a problem hiding this comment.
Make task storage bounded and avoid mutable lists inside the concurrent map.
tasks grows without eviction and Task.messages / Task.artifacts are mutated after being stored, which is not thread-safe under concurrent reads/serialization. Prefer immutable lists with copy-on-write, and add a TTL/cleanup for completed tasks.
🧩 Safer immutable Task updates
data class Task(
val id: String,
val contextId: String,
val state: String,
- val messages: MutableList<Message> = mutableListOf(),
- val artifacts: MutableList<Artifact> = mutableListOf()
+ val messages: List<Message> = emptyList(),
+ val artifacts: List<Artifact> = emptyList()
)
// Create task
val task = Task(
id = taskId,
contextId = contextId,
- state = "working"
+ state = "working",
+ messages = listOf(Message("user", listOf(Part(text = userInput))))
)
-task.messages.add(Message("user", listOf(Part(text = userInput))))
tasks[taskId] = task
// Update task with response
-task.artifacts.add(Artifact("response", listOf(Part(text = response))))
-tasks[taskId] = task.copy(state = "completed")
+val completedTask = task.copy(
+ state = "completed",
+ artifacts = task.artifacts + Artifact("response", listOf(Part(text = response)))
+)
+tasks[taskId] = completedTaskAlso applies to: 79-149
🤖 Prompt for AI Agents
In
`@examples/kotlin/shirtify-langchain4j/src/main/kotlin/com/shirtify/agent/A2AController.kt`
around lines 51 - 57, The Task data class currently uses mutable lists and is
stored in an unbounded concurrent map; change Task to hold immutable
List<Message> and List<Artifact> (e.g., val messages: List<Message>, val
artifacts: List<Artifact>) and update all places that mutate them to use
copy-on-write via Task.copy(...) (e.g., copy(messages = messages + newMessage)
or messages.toList() when constructing) so no in-place mutation occurs while
stored in the map; replace or wrap the raw concurrent map with a
bounded/TTL-backed cache (e.g., Caffeine or a ConcurrentHashMap plus a scheduled
cleanup) to enforce maximum size and automatic eviction of completed/old tasks,
and ensure update methods perform atomic read-modify-write (compute/replace) on
the map using the Task.copy approach to maintain thread-safety.
There was a problem hiding this comment.
Actionable comments posted: 1
🤖 Fix all issues with AI agents
In
`@examples/kotlin/shirtify-dropwizard/src/main/kotlin/com/shirtify/agent/ShirtifyAgentService.kt`:
- Around line 55-58: The isHealthy() method currently calls
chatModel.chat("test") on every probe which performs a real OpenAI request;
replace that with a lightweight health-check path: create a dedicated
health-check client/instance (e.g., healthChatModel or an OpenAiChatModel
configured for health checks) with a short timeout (1–3s), zero retries, and
minimal response expectation, call that instead of chatModel.chat in
isHealthy(), and add simple caching of the health result for 5–30s (timestamp +
cached boolean) to avoid frequent external calls; alternatively add a
configuration toggle (e.g., skipModelHealthCheck or validateCredentialsOnly) so
isHealthy() can perform a non-network credential check rather than calling
chatModel.chat.
🧹 Nitpick comments (2)
.gitignore (1)
97-99: LGTM! Standard Gradle ignore patterns.The
.gradle/and**/build/patterns are appropriate for Gradle-based Kotlin projects. The**/build/pattern correctly matches build directories at any depth, which is essential for multi-module Gradle projects.Optional observation: Line 25 already contains
/buildunder the production section, which only matches a root-level build directory. The new**/build/pattern is more comprehensive and makes the earlier pattern redundant (though not harmful). You could optionally remove the/buildentry on line 25 to avoid duplication.examples/kotlin/shirtify-dropwizard/build.gradle.kts (1)
1-5: Upgrade Gradle Shadow plugin to a stable release (9.3.1).The beta version 9.0.0-beta12 has known issues including regressions with directory shadowing,
MinimizeDependencyFilterfailures, and duplicates/merging behavior changes. A stable release (9.3.1, available since January 2026) is recommended and eliminates these risks for example code.
| fun isHealthy(): Boolean { | ||
| return try { | ||
| chatModel.chat("test") | ||
| true |
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🧩 Analysis chain
🏁 Script executed:
# First, find and examine the specific file
find . -type f -name "ShirtifyAgentService.kt" | head -5Repository: qualifire-dev/rogue
Length of output: 159
🏁 Script executed:
# Get the complete file to see the full context
cat -n examples/kotlin/shirtify-dropwizard/src/main/kotlin/com/shirtify/agent/ShirtifyAgentService.ktRepository: qualifire-dev/rogue
Length of output: 2266
🏁 Script executed:
# Search for how isHealthy() is used in the codebase
rg "isHealthy" -A 2 -B 2Repository: qualifire-dev/rogue
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# Search for chatModel initialization to understand the context
rg "chatModel" -B 3 -A 3 examples/kotlin/shirtify-dropwizard/Repository: qualifire-dev/rogue
Length of output: 2596
🌐 Web query:
LangChain4j health check best practices for chat models
💡 Result:
Best practices for LangChain4j chat-model health checks (prod)
1) Split liveness vs readiness
- Liveness: don’t call the LLM. Return UP if the process/event loop is healthy.
- Readiness: run a lightweight provider check (DNS/TLS/auth/model access) because chat models are remote dependencies. LangChain4j models expose a single
chat(...)entrypoint viaChatModel. [1]
2) Use a dedicated “health” model/client config (fail fast)
Configure a separate ChatModel instance (or separate bean) for health checks with:
- Short timeout (e.g., 1–3s) and no/low retries (0–1) so readiness fails fast instead of masking outages. LangChain4j model configs commonly include
timeoutandmaxRetries. [2][3] - Minimal output:
temperature(0.0)andmaxTokens(1..5)to reduce latency/cost. (LangChain4j supports tuning model parameters, including connectivity params like timeouts/retries, per model/provider.) [3]
3) Make the deep check cheap and deterministic
- Send a tiny prompt like:
“Reply with OK”. - Avoid tool-calls / RAG / long system prompts in health checks (they test your pipeline, not provider reachability).
4) Cache results and avoid synchronized stampedes
- Health endpoints are often polled every few seconds; cache the last result for ~5–30s.
- Use a single-flight/lock to prevent many concurrent health probes from DDOS’ing your provider.
5) Add circuit breaker + rate limiting around readiness
- If the provider is failing, stop probing at high frequency (open the breaker) and retry on a schedule.
6) Watch out for timeout mismatches/bugs per provider
Timeout behavior can depend on the underlying HTTP client/provider integration; LangChain4j has had provider-specific timeout issues (e.g., Bedrock socket timeout defaults, and reports of OpenAI timeout not applying on first request in some setups). Treat health-check timeouts as “best effort” and verify them in staging. [4][5]
Minimal Spring Boot-style readiness check (example)
// Pseudocode: cache + fail-fast model
ChatModel healthModel = OpenAiChatModel.builder()
.apiKey(System.getenv("OPENAI_API_KEY"))
.modelName("gpt-4o-mini")
.timeout(Duration.ofSeconds(2))
.maxRetries(0)
.temperature(0.0)
.maxTokens(2)
.build();
String r = healthModel.chat("Reply OK");
return r != null && r.toUpperCase().contains("OK");(Builder supports connectivity options like timeout and maxRetries.) [2][3]
Sources
[1] LangChain4j ChatModel API docs (chat entrypoint) (docs.langchain4j.dev)
[2] LangChain4j OpenAI integration/config parameters (timeout, retries) (deepwiki.com)
[3] LangChain4j “Model Parameters” (connectivity params incl. timeouts/retries) (docs.langchain4j.dev)
[4] LangChain4j issue: Bedrock timeout not honored due to HTTP client defaults (github.com)
[5] LangChain4j issue: OpenAI timeout reported not effective on first request (github.com)
Citations:
- 1: https://docs.langchain4j.dev/apidocs/dev/langchain4j/model/chat/ChatModel.html?utm_source=openai
- 2: https://deepwiki.com/langchain4j/langchain4j/5.1-openai-integration?utm_source=openai
- 3: https://docs.langchain4j.dev/tutorials/model-parameters?utm_source=openai
- 4: [BUG] Timeout on BedrockAnthropicChatMessageModel is not honored and time out prematurely. langchain4j/langchain4j#2274
- 5: [BUG] OpenAiChatModel.builder().timeout(Duration.ofSeconds(1)) 第一不生效 langchain4j/langchain4j#3925
🌐 Web query:
OpenAI API health check patterns and recommendations
💡 Result:
Recommended health-check patterns for OpenAI API integrations
1) Don’t use OpenAI as your liveness check
- Liveness (is my service running?) should be local: event loop alive, config loaded, disk ok, etc.
- Use OpenAI only for readiness / dependency checks (can we serve requests that require OpenAI?), because API calls can fail for reasons unrelated to your process (rate limits, overload, upstream networking). OpenAI documents that some “client-side” failures (e.g., aggressive timeouts) may not even show up in their dashboards because requests never reached them. [2]
2) Add a lightweight readiness check (a “canary” call)
Use a cheap, low-rate call on a timer (e.g., every 30–120s) and cache the result for readiness reporting.
- Set tight timeouts and treat timeouts as dependency degraded, not service dead (OpenAI explicitly calls out timeout-related troubleshooting). [2]
- Keep the payload small; avoid streaming for the canary.
- Interpret failures by class:
- 401/403: configuration / key / org / IP allowlist issue → mark not ready until fixed. [1]
- 429: rate limit / quota → mark degraded and shed load; don’t spam retries. [1][3]
- 500/503: transient server-side / overload → mark degraded and rely on retries/backoff. [1]
3) Implement resilient calling (this is effectively your “health strategy”)
OpenAI’s guidance aligns with standard dependency-hardening:
- Retry with randomized exponential backoff for retryable failures (not for 4xx auth/config). [4][3]
- Add jitter and cap max retries; unsuccessful retries can still count toward limits. [4]
- Use request shaping to reduce 429s (pace requests; avoid bursts; keep
max_tokensclose to expected). [3][4]
4) Use OpenAI’s own health signals for global incidents
- Check status.openai.com for incident-level outages/partial degradations; OpenAI notes availability metrics are reported in aggregate and can vary by tier/model/features. [5]
- Internally, correlate with OpenAI’s recommended Service Health / Usage dashboards when investigating spikes in errors/latency (and filter by model/tier/project to avoid misreads). [2]
5) Practical production wiring (simple, effective defaults)
- Circuit breaker: if your canary (or live traffic) sees sustained retryable failures (e.g., elevated 500/503/timeouts), open the circuit briefly and fail fast.
- Load shedding / degraded mode: return cached responses, reduce features, or queue work when you’re in 429/503 territory.
- Observability: track error-rate percent, not counts; OpenAI explicitly recommends focusing on rates. [2]
Sources: OpenAI API error codes guide [1], Help Center troubleshooting guidance [2], Help Center 429 guidance [3], OpenAI rate-limit retry guidance [4], OpenAI status-page incident pages (availability-metrics note) [5].
Health check performs a real model call on every probe (cost/latency/reliability risk).
isHealthy() invokes OpenAI API with each health check. Frequent probes will incur token costs and latency; the current OpenAiChatModel has no timeout configured, risking hangs. Consider implementing a separate health-check model with short timeout (1–3s), zero retries, minimal output (e.g., "Reply OK"), and result caching (5–30s), or add a configuration toggle to validate credentials/connectivity without calling the model.
🤖 Prompt for AI Agents
In
`@examples/kotlin/shirtify-dropwizard/src/main/kotlin/com/shirtify/agent/ShirtifyAgentService.kt`
around lines 55 - 58, The isHealthy() method currently calls
chatModel.chat("test") on every probe which performs a real OpenAI request;
replace that with a lightweight health-check path: create a dedicated
health-check client/instance (e.g., healthChatModel or an OpenAiChatModel
configured for health checks) with a short timeout (1–3s), zero retries, and
minimal response expectation, call that instead of chatModel.chat in
isHealthy(), and add simple caching of the health result for 5–30s (timestamp +
cached boolean) to avoid frequent external calls; alternatively add a
configuration toggle (e.g., skipModelHealthCheck or validateCredentialsOnly) so
isHealthy() can perform a non-network credential check rather than calling
chatModel.chat.
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Actionable comments posted: 1
🤖 Fix all issues with AI agents
In
`@examples/kotlin/shirtify-dropwizard/src/main/kotlin/com/shirtify/agent/resources/A2AResource.kt`:
- Around line 110-124: The current A2AResource logging calls (the log.info that
serializes request.params via mapper.writeValueAsString and the response
serialization) expose raw user input and agent output; change these to avoid PII
by logging only non-sensitive metadata (e.g., request.id, request.method,
parameter keys or param lengths) at info level and move full payload
serialization to debug-level with redaction, or remove it entirely; update the
log calls around the request handling (the log.info before the when block and
the log.info after producing response, which surrounds handleMessageSend,
handleTaskGet, handleTaskCancel) to follow this pattern and ensure
mapper.writeValueAsString is not used to dump raw params/responses at info
level.
🧹 Nitpick comments (2)
examples/kotlin/shirtify-dropwizard/Makefile (1)
1-10: Consider adding a defaultalltarget (optional).The Makefile is functional and correct. For completeness, you could optionally add an
alltarget as the default entry point, which is a common Makefile convention.💡 Optional: Add default target
-.PHONY: dev build clean +.PHONY: all dev build clean + +all: build dev: ./gradlew run --args="server src/main/resources/config.yml"The static analysis also suggests a
testtarget, but that can be deferred until tests are added to this example project.examples/kotlin/shirtify-langchain4j/Makefile (1)
1-10: Consider adding atesttarget for consistency.Since this is a Gradle-based project that likely includes tests, adding a
testtarget would improve the Makefile's completeness and align with common conventions.💡 Suggested addition
-.PHONY: dev build clean +.PHONY: dev build clean test dev: ./gradlew bootRun build: ./gradlew build clean: ./gradlew clean + +test: + ./gradlew test
| log.info("A2A request: method={}, id={}, params={}", request.method, request.id, | ||
| mapper.writeValueAsString(request.params)) | ||
|
|
||
| val response = when (request.method) { | ||
| "message/send" -> handleMessageSend(request) | ||
| "tasks/send" -> handleMessageSend(request) | ||
| "tasks/get" -> handleTaskGet(request) | ||
| "tasks/cancel" -> handleTaskCancel(request) | ||
| else -> A2AResponse( | ||
| id = request.id, | ||
| error = A2AError(-32601, "Method not found: ${request.method}") | ||
| ) | ||
| } | ||
|
|
||
| log.info("A2A response: {}", mapper.writeValueAsString(response)) |
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Avoid logging raw params/user input/agent responses (PII/secrets risk).
This logs full request params, user messages, and agent output at info level. That’s a compliance/privacy risk and can leak sensitive content. Prefer logging IDs/keys/lengths or move full payloads to debug with redaction.
🔒 Suggested redaction-focused logging
- log.info("A2A request: method={}, id={}, params={}", request.method, request.id,
- mapper.writeValueAsString(request.params))
+ log.info(
+ "A2A request: method={}, id={}, paramsKeys={}",
+ request.method,
+ request.id,
+ request.params?.keys
+ )
...
- log.info("A2A response: {}", mapper.writeValueAsString(response))
+ log.info("A2A response: id={}, hasError={}", response.id, response.error != null)
...
- log.info("message/send: userInput=\"{}\"", userInput)
+ log.info("message/send: userInputLength={}", userInput.length)
...
- log.info("message/send: agent response=\"{}\"", response)
+ log.info("message/send: agentResponseLength={}", response.length)Also applies to: 148-168
🤖 Prompt for AI Agents
In
`@examples/kotlin/shirtify-dropwizard/src/main/kotlin/com/shirtify/agent/resources/A2AResource.kt`
around lines 110 - 124, The current A2AResource logging calls (the log.info that
serializes request.params via mapper.writeValueAsString and the response
serialization) expose raw user input and agent output; change these to avoid PII
by logging only non-sensitive metadata (e.g., request.id, request.method,
parameter keys or param lengths) at info level and move full payload
serialization to debug-level with redaction, or remove it entirely; update the
log calls around the request handling (the log.info before the when block and
the log.info after producing response, which surrounds handleMessageSend,
handleTaskGet, handleTaskCancel) to follow this pattern and ensure
mapper.writeValueAsString is not used to dump raw params/responses at info
level.
1 participant
Description
Motivation and Context
Type of Change
Changes Made
Screenshots/Examples (if applicable)
Checklist
uv run black .to format my codeuv run flake8 .and fixed all issuesuv run mypy --config-file .mypy.ini .and addressed type checking issuesuv run bandit -c .bandit.yaml -r .for security checksuv run pytestand all tests passTesting
Test Configuration:
Test Steps:
1.
2.
3.
Additional Notes
Related Issues/PRs