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  1. Jenkins
  2. JENKINS-46618

[JDK9] Illegal reflective access from jenkins core

    Details

    • Type: Bug
    • Status: Open
    • Priority: Minor
    • Resolution: Unresolved
    • Component/s: core
    • Labels:
      None
    • Environment:
      JDK 9, Jenkins 2.60.3 as described in my lts-with-plugins docker instance
    • Similar Issues:

      Description

      While exploring Jenkins 2.60.3 on Oracle Java 9 build 181 (pre-release), it reports illegal access exceptions and warns that a future release of Java 9 will forbid illegal access.

      A partial stack trace shows:

      WARNING: Illegal reflective access by jenkins.ClassLoaderReflectionToolkit (file:/var/jenkins_home/war/WEB-INF/lib/jenkins-core-2.60.3.jar) to method java.lang.ClassLoader.findClass(java.lang.String)
              at jenkins.ClassLoaderReflectionToolkit.<clinit>(ClassLoaderReflectionToolkit.java:22)
              at hudson.ClassicPluginStrategy$DependencyClassLoader.findClass(ClassicPluginStrategy.java:762)
              at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:563)
              at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:496)
              at jenkins.util.AntClassLoader.findBaseClass(AntClassLoader.java:1393)
              at jenkins.util.AntClassLoader.loadClass(AntClassLoader.java:1076)
              at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:496)
              at hudson.ClassicPluginStrategy.load(ClassicPluginStrategy.java:506)
              at hudson.PluginManager$2$1$1.run(PluginManager.java:517)
              at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:169)
              at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:282)
              at jenkins.model.Jenkins$7.runTask(Jenkins.java:1090)
              at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:210)
              at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117)
              at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
              at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
              at java.base/java.lang.Thread.run(Thread.java:844)
      

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            • Assignee:
              Unassigned
              Reporter:
              markewaite Mark Waite
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              Dates

              • Created:
                Updated: