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  1. ,

    delete antlr from maven repository and reinstall it.

  2. ,
    via oracle.com by Unknown author

    App tries to load in a class through its string name using forName method in class Class, findSystemClass method in class ClassLoader, loadClass method in class ClassLoader but no definition for the class with the specified name could be found.

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via Jenkins JIRA by Murray Cumming, 1 year ago
via Jenkins JIRA by Murray Cumming, 1 year ago
via jenkins-ci.org by Unknown author, 1 year ago
java.lang.ClassNotFoundException: hudson.maven.MavenModuleSetBuild	at java.net.URLClassLoader$1.run(URLClassLoader.java:366)	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)	at java.lang.ClassLoader.loadClass(ClassLoader.java:423)	at java.lang.ClassLoader.loadClass(ClassLoader.java:356)	at hudson.plugins.copyartifact.CopyArtifact.perform(CopyArtifact.java:198)	at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:19)	at hudson.model.AbstractBuild$AbstractRunner.perform(AbstractBuild.java:710)	at hudson.model.Build$RunnerImpl.build(Build.java:178)	at hudson.model.Build$RunnerImpl.doRun(Build.java:139)	at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:480)	at hudson.model.Run.run(Run.java:1438)	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46)	at hudson.model.ResourceController.execute(ResourceController.java:88)	at hudson.model.Executor.run(Executor.java:239)