Make JDK 17 the minimum Java version

.github/dependabot.yml

@@ -23,11 +23,54 @@ updates:
     directory: "/"
     schedule:
       interval: monthly
+    labels:
+      - "dependencies"
+      - "github-actions"
+
   - package-ecosystem: "gradle"
     directory: "/lib/java"
     schedule:
       interval: monthly
+    labels:
+      - "dependencies"
+      - "java"
+    groups:
+      # Group static analysis tools together
+      static-analysis:
+        patterns:
+          - "com.google.errorprone:*"
+          - "com.uber.nullaway:*"
+          - "org.jspecify:*"
+          - "net.ltgt.errorprone"
+          - "com.github.spotbugs"
+          - "com.h3xstream.findsecbugs:*"
+          - "net.sourceforge.pmd:*"
+          - "com.diffplug.spotless"
+      # Group test dependencies together
+      testing:
+        patterns:
+          - "org.junit*"
+          - "org.mockito*"
+      # Group Apache dependencies together
+      apache:
+        patterns:
+          - "org.apache.httpcomponents*"
+          - "org.apache.commons:*"
+          - "org.apache.tomcat*"
+      # Group Jakarta EE APIs together
+      jakarta:
+        patterns:
+          - "jakarta.servlet:*"
+          - "jakarta.annotation:*"
+      # Group logging dependencies together
+      logging:
+        patterns:
+          - "org.slf4j:*"
+
   - package-ecosystem: "gradle"
     directory: "/lib/kotlin"
     schedule:
       interval: monthly
+    labels:
+      - "dependencies"
+      - "kotlin"

.github/workflows/build.yml

@@ -231,7 +231,7 @@ jobs:
     needs: compiler
     runs-on: ubuntu-24.04
     env:
-      GRADLE_VERSION: "8.4"
+      GRADLE_VERSION: "9.3.1"
     steps:
       - uses: actions/checkout@v6
 
@@ -250,7 +250,7 @@ jobs:
       - name: Setup gradle
         run: |
           wget https://services.gradle.org/distributions/gradle-$GRADLE_VERSION-bin.zip -q -O /tmp/gradle-$GRADLE_VERSION-bin.zip
-          (echo "3e1af3ae886920c3ac87f7a91f816c0c7c436f276a6eefdb3da152100fef72ae  /tmp/gradle-$GRADLE_VERSION-bin.zip" | sha256sum -c -)
+          (echo "b266d5ff6b90eada6dc3b20cb090e3731302e553a27c5d3e4df1f0d76beaff06  /tmp/gradle-$GRADLE_VERSION-bin.zip" | sha256sum -c -)
           unzip -d /tmp /tmp/gradle-$GRADLE_VERSION-bin.zip
           sudo mv /tmp/gradle-$GRADLE_VERSION /usr/local/gradle
           sudo ln -s /usr/local/gradle/bin/gradle /usr/local/bin
@@ -818,8 +818,8 @@ jobs:
       - uses: actions/setup-java@v5
         with:
           distribution: temurin
-          # here we intentionally use an older version so that we also verify Java 17 compiles to it
-          java-version: 8
+          # Java 17 is the minimum supported version
+          java-version: 17
           cache: "gradle"
 
       - name: Install openssl and certificates (for SSL tests)

CHANGES.md

@@ -51,6 +51,11 @@
 ### Java
 
 - [THRIFT-5858](https://issues.apache.org/jira/browse/THRIFT-5858) - Introduce new type MESSAGE_SIZE_LIMIT in TTransportException
+- Java 17 is now the minimum supported JDK for the Java library and build
+- Java generator migration notes:
+- Removed `org.apache.thrift.Option`; optional fields are now generated as `java.util.Optional`
+- Removed `java:option_type=...`; use the default optional-field generation
+- `jakarta.annotation.Generated` is now the default; use `java:javax_annotations` to generate legacy `javax.annotation.Generated`
 
 ### netstd
 
@@ -4378,4 +4383,3 @@ New Features and Bug Fixes:
 
   Ruby:
 - Support for TCompactProtocol [THRIFT-332]
-