Update Gradle to 8.4

Author: yidongnan

build.gradle

@@ -60,8 +60,8 @@ if (hasProperty('buildScan')) {
 // you may use IntelliJ's project configuration to make it use the gradle version defined in the gradle script's wrapper section
 wrapper {
     // Update using:
-    // ./gradlew wrapper --gradle-version=7.5.1 --distribution-type=bin
-    gradleVersion = '7.6.2'
+    // ./gradlew wrapper --gradle-version=8.4 --distribution-type=bin
+    gradleVersion = '8.4'
 }
 
 def buildTimeAndDate = OffsetDateTime.now()
@@ -169,12 +169,7 @@ allprojects {
 
 Project commonProject = project(':grpc-common-spring-boot')
 
-String javaAPIdoc
-if (JavaVersion.current().isJava9Compatible()) {
-    javaAPIdoc = 'https://docs.oracle.com/en/java/javase/11/docs/api'
-} else {
-    javaAPIdoc = 'https://docs.oracle.com/javase/8/docs/api/'
-}
+String javaAPIdoc =  'https://docs.oracle.com/en/java/javase/17/docs/api'
 
 allprojects { project ->
     buildscript {
@@ -197,6 +192,7 @@ allprojects { project ->
             springFrameworkVersion = dependencyManagement.importedProperties['spring-framework.version']
             springSecurityVersion = dependencyManagement.importedProperties['spring-security.version']
             springCloudCommonsVersion = dependencyManagement.importedProperties['spring-cloud-commons.version']
+            braveInstrumentationGrpc = dependencyManagement.importedProperties['brave.version']
         }
     }
 
@@ -250,8 +246,8 @@ allprojects { project ->
                     'https://docs.spring.io/spring-security/site/docs/' + springSecurityVersion + '/api/',
                     'https://docs.spring.io/spring-boot/docs/' + springBootVersion + '/api/',
                     'https://static.javadoc.io/org.springframework.cloud/spring-cloud-commons/' + springCloudCommonsVersion + '/',
-                    // 'https://static.javadoc.io/io.zipkin.brave/brave/' + braveInstrumentationGrpc + '/', // Requires javadoc 11
-                    // 'https://static.javadoc.io/io.zipkin.brave/brave-instrumentation-grpc/' + braveInstrumentationGrpc + '/', // Requires javadoc 11
+                    'https://static.javadoc.io/io.zipkin.brave/brave/' + braveInstrumentationGrpc + '/',
+                    'https://static.javadoc.io/io.zipkin.brave/brave-instrumentation-grpc/' + braveInstrumentationGrpc + '/',
                     'https://google.github.io/guava/releases/29.0-android/api/docs/'
             ]
         }

gradle/wrapper/gradle-wrapper.jar

@@ -1,6 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-bin.zip
 networkTimeout=10000
+validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

gradle/wrapper/gradle-wrapper.properties

@@ -83,10 +83,8 @@ done
 # This is normally unused
 # shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
+APP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum
@@ -133,26 +131,29 @@ location of your Java installation."
     fi
 else
     JAVACMD=java
-    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+    if ! command -v java >/dev/null 2>&1
+    then
+        die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
 
 Please set the JAVA_HOME variable in your environment to match the
 location of your Java installation."
+    fi
 fi
 
 # Increase the maximum file descriptors if we can.
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
         # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
-        # shellcheck disable=SC3045 
+        # shellcheck disable=SC2039,SC3045
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
         # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
-        # shellcheck disable=SC3045 
+        # shellcheck disable=SC2039,SC3045
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
@@ -197,11 +198,15 @@ if "$cygwin" || "$msys" ; then
     done
 fi
 
-# Collect all arguments for the java command;
-#   * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
-#     shell script including quotes and variable substitutions, so put them in
-#     double quotes to make sure that they get re-expanded; and
-#   * put everything else in single quotes, so that it's not re-expanded.
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Collect all arguments for the java command:
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
+#     and any embedded shellness will be escaped.
+#   * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
+#     treated as '${Hostname}' itself on the command line.
 
 set -- \
         "-Dorg.gradle.appname=$APP_BASE_NAME" \