Jetty maven plugin is not Maven toolchain aware

[deepakab03]

Jetty version(s) jetty-maven-plugin: all versions but checking the latest 9.x version: 9.4.49.v20220914 and latest 11.0.12 versions

Java version/vendor (use: java -version) any, for e.g. 11.x or 17.x OS type/version Windows 11

Description When Maven toolchains are used, the jetty-maven plugin does not use the JDK specified there but uses the JDK which is used to build maven

How to reproduce?

1. Create a toolchain.xml that specified multiple JDK versions. For e.g:

   <?xml version="1.0" encoding="UTF-8"?>
   <toolchains>
   <!-- JDK toolchains -->
   <toolchain>
   <type>jdk</type>
   <provides>
     <version>1.17</version>
     <vendor>oracle</vendor>
   </provides>
   <configuration>
     <jdkHome>${JDK17_HOME}</jdkHome>
   </configuration>
   </toolchain>
   <toolchain>
   <type>jdk</type>
   <provides>
     <version>1.11</version>
     <vendor>oracle</vendor>
   </provides>
   <configuration>
     <jdkHome>${JDK11_HOME}</jdkHome>
   </configuration>
   </toolchain>
   </toolchains>

2.. Stick the toolchain.xml into your ~/.m2 folder.

3. In any jetty-maven supported project, add the toolchain plugin entry specifying a JDK version - say 17 in this example - in your build plugins section In you maven pom.xml:

   <build>
   <plugins>
     <plugin>
       <groupId>org.apache.maven.plugins</groupId>
       <artifactId>maven-toolchains-plugin</artifactId>
       <version>3.1.0</version>
       <executions>
         <execution>
           <goals>
             <goal>toolchain</goal>
           </goals>
         </execution>
       </executions>
       <configuration>
         <toolchains>
           <jdk>
             <version>17</version>
             <vendor>oracle</vendor>
           </jdk>
         </toolchains>
       </configuration>
     </plugin>
    </plugins>
   </build>

4. Add any common jetty maven plugin to run the application to your pom.xml
5. Run a maven build using a different JDK like JDK 11 (assign JAVA_HOME to this JDK, add JDK/bin folder this to the windows path)
6. The jetty maven plugin will use JDK 11 thought the JDK 17 toolchain was specified and activated - the correct JDK 17 version will be used by the maven-compiler-plugin, surefire-plugin etc.

[olamy]

not sure which goal you would like to use with toolchain? jetty:run is embedded so it can not use toolchain.

[github-actions[bot]]

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