Details
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Bug
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Status: Resolved (View Workflow)
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Minor
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Resolution: Fixed
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JDK 11
2.275
Alpine Linux
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2.276
Description
Reporting as it says in the logs:
WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by jenkins.ClassLoaderReflectionToolkit (file:/var/jenkins/war/WEB-INF/lib/jenkins-core-2.275.jar) to method java.lang.ClassLoader.findClass(java.lang.String) WARNING: Please consider reporting this to the maintainers of jenkins.ClassLoaderReflectionToolkit WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release
Attachments
Activity
https://gist.github.com/nrayapati/96f3d0291efe56a8d4a23cc6ebbd22cf
Just in case:
2021-01-18 21:43:25.709+0000 [id=38] INFO jenkins.InitReactorRunner$1#onAttained: Listed all plugins WARNING: Illegal reflective access by jenkins.ClassLoaderReflectionToolkit (file:/var/jenkins/war/WEB-INF/lib/jenkins-core-2.275.jar) to method java.lang.ClassLoader.findClass(java.lang.String) at jenkins.ClassLoaderReflectionToolkit.<clinit>(ClassLoaderReflectionToolkit.java:22) at hudson.ClassicPluginStrategy$DependencyClassLoader.findClass(ClassicPluginStrategy.java:632) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:589) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522) at jenkins.util.AntClassLoader.findBaseClass(AntClassLoader.java:1406) at jenkins.util.AntClassLoader.loadClass(AntClassLoader.java:1085) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522) at hudson.ClassicPluginStrategy.load(ClassicPluginStrategy.java:375) at hudson.PluginManager$2$1$1.run(PluginManager.java:551) at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:169) at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:296) at jenkins.model.Jenkins$5.runTask(Jenkins.java:1129) at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:214) at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117) at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:68) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:834) WARNING: Illegal reflective access by jenkins.ClassLoaderReflectionToolkit (file:/var/jenkins/war/WEB-INF/lib/jenkins-core-2.275.jar) to method java.lang.ClassLoader.findLoadedClass(java.lang.String) at jenkins.ClassLoaderReflectionToolkit.<clinit>(ClassLoaderReflectionToolkit.java:24) at hudson.ClassicPluginStrategy$DependencyClassLoader.findClass(ClassicPluginStrategy.java:632) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:589) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522) at jenkins.util.AntClassLoader.findBaseClass(AntClassLoader.java:1406) at jenkins.util.AntClassLoader.loadClass(AntClassLoader.java:1085) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522) at hudson.ClassicPluginStrategy.load(ClassicPluginStrategy.java:375) at hudson.PluginManager$2$1$1.run(PluginManager.java:551) at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:169) at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:296) at jenkins.model.Jenkins$5.runTask(Jenkins.java:1129) at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:214) at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117) at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:68) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:834) WARNING: Illegal reflective access by jenkins.ClassLoaderReflectionToolkit (file:/var/jenkins/war/WEB-INF/lib/jenkins-core-2.275.jar) to method java.lang.ClassLoader.findResource(java.lang.String) at jenkins.ClassLoaderReflectionToolkit.<clinit>(ClassLoaderReflectionToolkit.java:26) at hudson.ClassicPluginStrategy$DependencyClassLoader.findClass(ClassicPluginStrategy.java:632) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:589) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522) at jenkins.util.AntClassLoader.findBaseClass(AntClassLoader.java:1406) at jenkins.util.AntClassLoader.loadClass(AntClassLoader.java:1085) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522) at hudson.ClassicPluginStrategy.load(ClassicPluginStrategy.java:375) at hudson.PluginManager$2$1$1.run(PluginManager.java:551) at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:169) at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:296) at jenkins.model.Jenkins$5.runTask(Jenkins.java:1129) at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:214) at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117) at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:68) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:834) WARNING: Illegal reflective access by jenkins.ClassLoaderReflectionToolkit (file:/var/jenkins/war/WEB-INF/lib/jenkins-core-2.275.jar) to method java.lang.ClassLoader.findResources(java.lang.String) at jenkins.ClassLoaderReflectionToolkit.<clinit>(ClassLoaderReflectionToolkit.java:28) at hudson.ClassicPluginStrategy$DependencyClassLoader.findClass(ClassicPluginStrategy.java:632) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:589) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522) at jenkins.util.AntClassLoader.findBaseClass(AntClassLoader.java:1406) at jenkins.util.AntClassLoader.loadClass(AntClassLoader.java:1085) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522) at hudson.ClassicPluginStrategy.load(ClassicPluginStrategy.java:375) at hudson.PluginManager$2$1$1.run(PluginManager.java:551) at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:169) at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:296) at jenkins.model.Jenkins$5.runTask(Jenkins.java:1129) at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:214) at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117) at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:68) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:834) WARNING: Illegal reflective access by jenkins.ClassLoaderReflectionToolkit (file:/var/jenkins/war/WEB-INF/lib/jenkins-core-2.275.jar) to method java.lang.ClassLoader.getClassLoadingLock(java.lang.String) at jenkins.ClassLoaderReflectionToolkit.<clinit>(ClassLoaderReflectionToolkit.java:35) at hudson.ClassicPluginStrategy$DependencyClassLoader.findClass(ClassicPluginStrategy.java:632) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:589) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522) at jenkins.util.AntClassLoader.findBaseClass(AntClassLoader.java:1406) at jenkins.util.AntClassLoader.loadClass(AntClassLoader.java:1085) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522) at hudson.ClassicPluginStrategy.load(ClassicPluginStrategy.java:375) at hudson.PluginManager$2$1$1.run(PluginManager.java:551) at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:169) at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:296) at jenkins.model.Jenkins$5.runTask(Jenkins.java:1129) at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:214) at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117) at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:68) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:834)
Basil Crow
added a comment - Fixed in jenkinsci/jenkins#5110 . Basil Crow
added a comment - Released in 2.276 .
nrayapati please re-run with the startup flag '--illegal-access=debug' and provide the stacktrace (just for the ClassLoaderReflectionToolkit please). We fixed most of those `ClassLoaderReflectionToolkit` errors recently