WIP bump minimum JDK to 17

Author: slinkydeveloper

.github/workflows/release.yml

@@ -14,7 +14,7 @@ jobs:
       - name: Set up JDK ${{ matrix.java }}
         uses: actions/setup-java@v3
         with:
-          java-version: 11
+          java-version: 17
           distribution: 'adopt'
 
       - name: Setup Gradle

.github/workflows/tests.yml

@@ -15,7 +15,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        java: [ 11, 17, 21 ]
+        java: [ 17, 21 ]
     steps:
       - uses: actions/checkout@v4
       - name: Set up JDK ${{ matrix.java }}

buildSrc/src/main/kotlin/java-conventions.gradle.kts

@@ -11,7 +11,7 @@ dependencies { errorprone("com.google.errorprone:error_prone_core:2.28.0") }
 
 // Configure the java toolchain to use. If not found, it will be downloaded automatically
 java {
-    toolchain { languageVersion = JavaLanguageVersion.of(11) }
+    toolchain { languageVersion = JavaLanguageVersion.of(17) }
 
     withJavadocJar()
     withSourcesJar()

buildSrc/src/main/kotlin/kotlin-conventions.gradle.kts

@@ -5,7 +5,7 @@ plugins {
 }
 
 java {
-    toolchain { languageVersion = JavaLanguageVersion.of(11) }
+    toolchain { languageVersion = JavaLanguageVersion.of(17) }
 
     withJavadocJar()
     withSourcesJar()

sdk-spring-boot-starter/build.gradle.kts

@@ -10,8 +10,6 @@ description = "Restate SDK Spring Boot starter"
 
 val springBootVersion = "3.3.5"
 
-java { toolchain { languageVersion = JavaLanguageVersion.of(17) } }
-
 dependencies {
   compileOnly(coreLibs.jspecify)