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  1. Jenkins
  2. JENKINS-55620

SloccountPublisher fails on Java 11 without --add-modules java.xml.bind

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    • JAXB Plugin

      Using a Jenkins running on Java 11 (Java 11 support is currently in preview (https://jenkins.io/blog/2018/12/14/java11-preview-availability/), SloccountPublisher throws the following exception while generating the report.

      janv. 16, 2019 2:26:14 PM hudson.model.AbstractBuild$AbstractBuildExecution reportError
WARNING: Step ‘Publish SLOCCount analysis results’ aborted due to exception: 
java.lang.NoClassDefFoundError: javax/xml/bind/JAXBException
        at hudson.plugins.sloccount.SloccountPublisher.perform(SloccountPublisher.java:82)
        at hudson.tasks.BuildStepCompatibilityLayer.perform(BuildStepCompatibilityLayer.java:81)
        at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)
        at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:744)
        at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:690)
        at hudson.model.Build$BuildExecution.post2(Build.java:186)
        at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:635)
        at hudson.model.Run.execute(Run.java:1835)
        at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
        at hudson.model.ResourceController.execute(ResourceController.java:97)
        at hudson.model.Executor.run(Executor.java:429)
Caused by: java.lang.ClassNotFoundException: javax.xml.bind.JAXBException
        at jenkins.util.AntClassLoader.findClassInComponents(AntClassLoader.java:1374)
        at jenkins.util.AntClassLoader.findClass(AntClassLoader.java:1327)
        at jenkins.util.AntClassLoader.loadClass(AntClassLoader.java:1080)
        at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
        ... 11 more

      Expected behavior

      Though there is ongoing work to see how/if to keep making JAXB usages in Jenkins on Java 11+, it would be nice if the plugin code could be analyzed to see if it could work without depending on JAXB API (which has been removed from the JDK starting from Java 9+).

      Technical consideration

      Looking at the code quickly, I think the main (only?) reason JAXB usage is to marshall/unmarshall the ClocReport.

      I think replacing the serialization with an XStream marshalling would probably achieve the same thing, while removing the JAXB dependency.

            npiguet npiguet
            batmat Baptiste Mathus
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              Created:
              Updated:
              Resolved: