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java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:616) at org.codehaus.plexus.classworlds.launcher.Launcher.launchStandard(Launcher.java:329) at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:239) at org.jvnet.hudson.maven3.agent.Maven3Main.launch(Maven3Main.java:178) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:616) at hudson.maven.Maven3Builder.call(Maven3Builder.java:134) at hudson.maven.Maven3Builder.call(Maven3Builder.java:69) at hudson.remoting.UserRequest.perform(UserRequest.java:118) at hudson.remoting.UserRequest.perform(UserRequest.java:48) at hudson.remoting.Request$2.run(Request.java:328) at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:679)Caused by: java.lang.ExceptionInInitializerError at edu.umd.cs.findbugs.DetectorFactoryCollection.getCoreResource(DetectorFactoryCollection.java:360) at edu.umd.cs.findbugs.SystemProperties.loadPropertiesFromConfigFile(SystemProperties.java:72) at edu.umd.cs.findbugs.SystemProperties.<clinit>(SystemProperties.java:55) at edu.umd.cs.findbugs.SortedBugCollection.<clinit>(SortedBugCollection.java:189) at hudson.plugins.findbugs.parser.FindBugsParser.readXml(FindBugsParser.java:282) at hudson.plugins.findbugs.parser.FindBugsParser.parse(FindBugsParser.java:221) at hudson.plugins.findbugs.parser.FindBugsParser.parse(FindBugsParser.java:159) at hudson.plugins.findbugs.parser.FindBugsParser.parse(FindBugsParser.java:138) at hudson.plugins.findbugs.parser.FindBugsParser.parse(FindBugsParser.java:105) at hudson.plugins.analysis.core.FilesParser.parseFile(FilesParser.java:306) at hudson.plugins.analysis.core.FilesParser.parseFiles(FilesParser.java:264) at hudson.plugins.analysis.core.FilesParser.parserCollectionOfFiles(FilesParser.java:215) at hudson.plugins.analysis.core.FilesParser.invoke(FilesParser.java:184) at hudson.plugins.analysis.core.FilesParser.invoke(FilesParser.java:31) at hudson.FilePath.act(FilePath.java:914) at hudson.FilePath.act(FilePath.java:887) at hudson.plugins.findbugs.FindBugsReporter.perform(FindBugsReporter.java:179) at hudson.plugins.analysis.core.HealthAwareReporter.postExecute(HealthAwareReporter.java:315) at hudson.maven.Maven3Builder$MavenExecutionListener.recordMojoEnded(Maven3Builder.java:628) at hudson.maven.Maven3Builder$MavenExecutionListener.mojoSucceeded(Maven3Builder.java:610) at org.apache.maven.lifecycle.internal.DefaultExecutionEventCatapult.fire(DefaultExecutionEventCatapult.java:87) at org.apache.maven.lifecycle.internal.DefaultExecutionEventCatapult.fire(DefaultExecutionEventCatapult.java:42) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:228) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145) at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84) at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59) at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183) at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156) at org.jvnet.hudson.maven3.launcher.Maven3Launcher.main(Maven3Launcher.java:117) ... 22 moreCaused by: java.lang.IllegalStateException: Unable to load core plugin at edu.umd.cs.findbugs.PluginLoader.loadCorePlugin(PluginLoader.java:1423) at edu.umd.cs.findbugs.PluginLoader.loadInitialPlugins(PluginLoader.java:1373) at edu.umd.cs.findbugs.PluginLoader.<clinit>(PluginLoader.java:156) ... 54 moreCaused by: edu.umd.cs.findbugs.PluginException: Couldn't parse "jar:file:/var/lib/jenkins/.jenkins/cache/jars/DB/BFFF630BEF40FBA05BFDA2CDC31BC1.jar!/findbugs.xml" using org.dom4j.io.SAXReader at edu.umd.cs.findbugs.PluginLoader.getPluginDescriptor(PluginLoader.java:1122) at edu.umd.cs.findbugs.PluginLoader.init(PluginLoader.java:611) at edu.umd.cs.findbugs.PluginLoader.<init>(PluginLoader.java:357) at edu.umd.cs.findbugs.PluginLoader.loadCorePlugin(PluginLoader.java:1419) ... 56 moreCaused by: org.dom4j.DocumentException: org.dom4j.DocumentFactory cannot be cast to org.dom4j.DocumentFactory Nested exception: org.dom4j.DocumentFactory cannot be cast to org.dom4j.DocumentFactory at org.dom4j.io.SAXReader.read(SAXReader.java:484) at org.dom4j.io.SAXReader.read(SAXReader.java:365) at edu.umd.cs.findbugs.PluginLoader.getPluginDescriptor(PluginLoader.java:1120) ... 59 moreCaused by: java.lang.ClassCastException: org.dom4j.DocumentFactory cannot be cast to org.dom4j.DocumentFactory at org.dom4j.DocumentFactory.getInstance(DocumentFactory.java:97) at org.dom4j.io.SAXReader.getDocumentFactory(SAXReader.java:645) at org.dom4j.io.SAXReader.createContentHandler(SAXReader.java:969) at org.dom4j.io.SAXReader.read(SAXReader.java:449) ... 61 more