Build, test and ship with JDK 21

.github/workflows/ci.yml

@@ -25,10 +25,10 @@ jobs:
     steps:
       - name: Checkout source
         uses: actions/checkout@v3
-      - name: Set up JDK 17
+      - name: Install required Java distribution
         uses: actions/setup-java@v3
         with:
-          java-version: '17'
+          java-version: '21'
           distribution: 'temurin'
       - name: Build with Maven
         run: $MAVEN clean verify

.java-version

@@ -1 +1 @@
-17.0.9
+21.0

docs/development.md

@@ -36,7 +36,7 @@
 ## Build requirements
 
 * Mac OS X or Linux
-* Java 17+, 64-bit
+* Java 21+, 64-bit
 * Docker
 
 #### Running Trino Gateway in your IDE
@@ -54,7 +54,7 @@ or execute the following command:
 
 #### Locally
 
-This project requires Java 17. Note that higher version of Java have not been
+This project requires Java 21. Note that higher version of Java have not been
 verified and may run into unexpected issues.
 
 Run `./mvnw clean install` to build `trino-gateway`. VM options required for

docs/installation.md

@@ -49,7 +49,7 @@ Consider the following requirements for your Trino Gateway installation.
 
 ### Java
 
-Trino Gateway requires a Java 17 runtime. Older versions of Java can not be
+Trino Gateway requires a Java 21 runtime. Older versions of Java can not be
 used. Newer versions might work but are not tested.
 
 Verify the Java version on your system with `java -version`.

pom.xml

@@ -39,9 +39,8 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <project.build.targetJdk>17</project.build.targetJdk>
-
-        <air.java.version>17</air.java.version>
+        <project.build.targetJdk>21</project.build.targetJdk>
+        <air.java.version>21</air.java.version>
         <air.check.skip-spotbugs>true</air.check.skip-spotbugs>
         <air.check.skip-pmd>true</air.check.skip-pmd>
         <air.release.preparation-goals>clean verify -DskipTests</air.release.preparation-goals>