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Posted to commits@hc.apache.org by Apache Jenkins Server <je...@builds.apache.org> on 2012/09/25 02:09:24 UTC

Build failed in Jenkins: HttpComponents AsyncClient #258

See <https://builds.apache.org/job/HttpComponents%20AsyncClient/258/>

------------------------------------------
Started by an SCM change
Building remotely on ubuntu5 in workspace <https://builds.apache.org/job/HttpComponents%20AsyncClient/ws/>
hudson.util.IOException2: remote file operation failed: <https://builds.apache.org/job/HttpComponents%20AsyncClient/ws/> at hudson.remoting.Channel@6fe34360:ubuntu5
	at hudson.FilePath.act(FilePath.java:838)
	at hudson.FilePath.act(FilePath.java:824)
	at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:743)
	at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:685)
	at hudson.model.AbstractProject.checkout(AbstractProject.java:1256)
	at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:589)
	at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:88)
	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:494)
	at hudson.model.Run.execute(Run.java:1502)
	at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:477)
	at hudson.model.ResourceController.execute(ResourceController.java:88)
	at hudson.model.Executor.run(Executor.java:236)
Caused by: java.io.IOException: Remote call on ubuntu5 failed
	at hudson.remoting.Channel.call(Channel.java:673)
	at hudson.FilePath.act(FilePath.java:831)
	... 11 more
Caused by: java.lang.LinkageError: loader (instance of  hudson/remoting/RemoteClassLoader): attempted  duplicate class definition for name: "hudson/model/AbstractDescribableImpl"
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:634)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:480)
	at hudson.remoting.RemoteClassLoader.loadClassFile(RemoteClassLoader.java:152)
	at hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:131)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:634)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:480)
	at hudson.remoting.RemoteClassLoader.loadClassFile(RemoteClassLoader.java:152)
	at hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:131)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
	at java.lang.Class.getDeclaredMethods0(Native Method)
	at java.lang.Class.privateGetDeclaredMethods(Class.java:2444)
	at java.lang.Class.getDeclaredMethod(Class.java:1952)
	at java.io.ObjectStreamClass.getPrivateMethod(ObjectStreamClass.java:1396)
	at java.io.ObjectStreamClass.access$1700(ObjectStreamClass.java:69)
	at java.io.ObjectStreamClass$2.run(ObjectStreamClass.java:455)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.io.ObjectStreamClass.<init>(ObjectStreamClass.java:430)
	at java.io.ObjectStreamClass.lookup(ObjectStreamClass.java:327)
	at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:564)
	at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1600)
	at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1513)
	at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1600)
	at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1513)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1749)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1346)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1963)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1887)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1770)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1346)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:368)
	at hudson.remoting.UserRequest.deserialize(UserRequest.java:182)
	at hudson.remoting.UserRequest.perform(UserRequest.java:98)
	at hudson.remoting.UserRequest.perform(UserRequest.java:48)
	at hudson.remoting.Request$2.run(Request.java:326)
	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:1110)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:679)
Retrying after 10 seconds
hudson.util.IOException2: remote file operation failed: <https://builds.apache.org/job/HttpComponents%20AsyncClient/ws/> at hudson.remoting.Channel@6fe34360:ubuntu5
	at hudson.FilePath.act(FilePath.java:838)
	at hudson.FilePath.act(FilePath.java:824)
	at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:743)
	at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:685)
	at hudson.model.AbstractProject.checkout(AbstractProject.java:1256)
	at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:589)
	at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:88)
	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:494)
	at hudson.model.Run.execute(Run.java:1502)
	at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:477)
	at hudson.model.ResourceController.execute(ResourceController.java:88)
	at hudson.model.Executor.run(Executor.java:236)
Caused by: java.io.IOException: Remote call on ubuntu5 failed
	at hudson.remoting.Channel.call(Channel.java:673)
	at hudson.FilePath.act(FilePath.java:831)
	... 11 more
Caused by: java.lang.LinkageError: loader (instance of  hudson/remoting/RemoteClassLoader): attempted  duplicate class definition for name: "hudson/model/AbstractDescribableImpl"
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:634)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:480)
	at hudson.remoting.RemoteClassLoader.loadClassFile(RemoteClassLoader.java:152)
	at hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:131)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:634)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:480)
	at hudson.remoting.RemoteClassLoader.loadClassFile(RemoteClassLoader.java:152)
	at hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:131)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
	at java.lang.Class.getDeclaredMethods0(Native Method)
	at java.lang.Class.privateGetDeclaredMethods(Class.java:2444)
	at java.lang.Class.getDeclaredMethod(Class.java:1952)
	at java.io.ObjectStreamClass.getPrivateMethod(ObjectStreamClass.java:1396)
	at java.io.ObjectStreamClass.access$1700(ObjectStreamClass.java:69)
	at java.io.ObjectStreamClass$2.run(ObjectStreamClass.java:455)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.io.ObjectStreamClass.<init>(ObjectStreamClass.java:430)
	at java.io.ObjectStreamClass.lookup(ObjectStreamClass.java:327)
	at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:564)
	at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1600)
	at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1513)
	at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1600)
	at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1513)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1749)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1346)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1963)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1887)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1770)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1346)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:368)
	at hudson.remoting.UserRequest.deserialize(UserRequest.java:182)
	at hudson.remoting.UserRequest.perform(UserRequest.java:98)
	at hudson.remoting.UserRequest.perform(UserRequest.java:48)
	at hudson.remoting.Request$2.run(Request.java:326)
	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:1110)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:679)
Retrying after 10 seconds
hudson.util.IOException2: remote file operation failed: <https://builds.apache.org/job/HttpComponents%20AsyncClient/ws/> at hudson.remoting.Channel@6fe34360:ubuntu5
	at hudson.FilePath.act(FilePath.java:838)
	at hudson.FilePath.act(FilePath.java:824)
	at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:743)
	at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:685)
	at hudson.model.AbstractProject.checkout(AbstractProject.java:1256)
	at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:589)
	at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:88)
	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:494)
	at hudson.model.Run.execute(Run.java:1502)
	at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:477)
	at hudson.model.ResourceController.execute(ResourceController.java:88)
	at hudson.model.Executor.run(Executor.java:236)
Caused by: java.io.IOException: Remote call on ubuntu5 failed
	at hudson.remoting.Channel.call(Channel.java:673)
	at hudson.FilePath.act(FilePath.java:831)
	... 11 more
Caused by: java.lang.LinkageError: loader (instance of  hudson/remoting/RemoteClassLoader): attempted  duplicate class definition for name: "hudson/model/AbstractDescribableImpl"
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:634)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:480)
	at hudson.remoting.RemoteClassLoader.loadClassFile(RemoteClassLoader.java:152)
	at hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:131)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:634)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:480)
	at hudson.remoting.RemoteClassLoader.loadClassFile(RemoteClassLoader.java:152)
	at hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:131)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
	at java.lang.Class.getDeclaredMethods0(Native Method)
	at java.lang.Class.privateGetDeclaredMethods(Class.java:2444)
	at java.lang.Class.getDeclaredMethod(Class.java:1952)
	at java.io.ObjectStreamClass.getPrivateMethod(ObjectStreamClass.java:1396)
	at java.io.ObjectStreamClass.access$1700(ObjectStreamClass.java:69)
	at java.io.ObjectStreamClass$2.run(ObjectStreamClass.java:455)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.io.ObjectStreamClass.<init>(ObjectStreamClass.java:430)
	at java.io.ObjectStreamClass.lookup(ObjectStreamClass.java:327)
	at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:564)
	at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1600)
	at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1513)
	at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1600)
	at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1513)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1749)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1346)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1963)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1887)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1770)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1346)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:368)
	at hudson.remoting.UserRequest.deserialize(UserRequest.java:182)
	at hudson.remoting.UserRequest.perform(UserRequest.java:98)
	at hudson.remoting.UserRequest.perform(UserRequest.java:48)
	at hudson.remoting.Request$2.run(Request.java:326)
	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:1110)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:679)

Jenkins build is back to normal : HttpComponents AsyncClient #260

Posted by Apache Jenkins Server <je...@builds.apache.org>.
See <https://builds.apache.org/job/HttpComponents%20AsyncClient/260/changes>


Build failed in Jenkins: HttpComponents AsyncClient #259

Posted by Apache Jenkins Server <je...@builds.apache.org>.
See <https://builds.apache.org/job/HttpComponents%20AsyncClient/259/>

------------------------------------------
Started by an SCM change
Building remotely on ubuntu5 in workspace <https://builds.apache.org/job/HttpComponents%20AsyncClient/ws/>
Updating http://svn.apache.org/repos/asf/httpcomponents/httpasyncclient/trunk
U         RELEASE_NOTES.txt
U         src/site/apt/download.apt
At revision 1389822
no revision recorded for http://svn.apache.org/repos/asf/httpcomponents/httpasyncclient/trunk in the previous build
Parsing POMs
[httpasyncclient-trunk] $ /home/hudson/tools/java/latest1.5/bin/java -cp /home/jenkins/jenkins-slave/maven-agent.jar:/home/jenkins/jenkins-slave/classworlds.jar hudson.maven.agent.Main /home/hudson/tools/maven/apache-maven-2.2.1 /home/jenkins/jenkins-slave/slave.jar /home/jenkins/jenkins-slave/maven-interceptor.jar 42804 /home/jenkins/jenkins-slave/maven2.1-interceptor.jar
<===[JENKINS REMOTING CAPACITY]===>channel started
   log4j:WARN No appenders could be found for logger (org.apache.commons.beanutils.converters.BooleanConverter).
log4j:WARN Please initialize the log4j system properly.
Executing Maven:  -B -f <https://builds.apache.org/job/HttpComponents%20AsyncClient/ws/httpasyncclient-trunk/pom.xml> -Dmaven.repo.local=/home/jenkins/jenkins-slave/maven-repositories/1 clean install
[INFO] Scanning for projects...
[INFO] Reactor build order: 
[INFO]   HttpComponents AsyncClient
[INFO]   HttpAsyncClient
[INFO]   HttpAsyncClient Cache
[INFO]   HttpAsyncClient OSGi bundle
[WARNING] POM for 'biz.aQute:bndlib:pom:1.50.0:runtime' is invalid.

Its dependencies (if any) will NOT be available to the current build.
[INFO] ------------------------------------------------------------------------
[INFO] Building HttpComponents AsyncClient
[INFO]    task-segment: [clean, install]
[INFO] ------------------------------------------------------------------------
[INFO] [clean:clean {execution: default-clean}]
[INFO] Deleting <https://builds.apache.org/job/HttpComponents%20AsyncClient/ws/httpasyncclient-trunk/target>
[INFO] [notice:generate {execution: attach-notice-license}]
[INFO] [buildnumber:create {execution: default}]
[INFO] Checking for local modifications: skipped.
[INFO] Updating project files from SCM: skipped.
[INFO] Executing: /bin/sh -c cd "<https://builds.apache.org/job/HttpComponents%20AsyncClient/ws/httpasyncclient-trunk"> && svn --non-interactive info
[INFO] Working directory: <https://builds.apache.org/job/HttpComponents%20AsyncClient/ws/httpasyncclient-trunk>
[INFO] Storing buildNumber: 1389510 at timestamp: 1348574798183
[INFO] Executing: /bin/sh -c cd "<https://builds.apache.org/job/HttpComponents%20AsyncClient/ws/httpasyncclient-trunk"> && svn --non-interactive info
[INFO] Working directory: <https://builds.apache.org/job/HttpComponents%20AsyncClient/ws/httpasyncclient-trunk>
[INFO] Storing buildScmBranch: trunk
[INFO] [site:attach-descriptor {execution: default-attach-descriptor}]
[INFO] Preparing source:jar
[WARNING] Removing: jar from forked lifecycle, to prevent recursive invocation.
[INFO] No goals needed for project - skipping
[INFO] [source:jar {execution: attach-sources}]
[INFO] [install:install {execution: default-install}]
[INFO] Installing <https://builds.apache.org/job/HttpComponents%20AsyncClient/ws/httpasyncclient-trunk/pom.xml> to /home/jenkins/jenkins-slave/maven-repositories/1/org/apache/httpcomponents/httpcomponents-asyncclient/4.0-beta3-SNAPSHOT/httpcomponents-asyncclient-4.0-beta3-SNAPSHOT.pom
[INFO] Installing <https://builds.apache.org/job/HttpComponents%20AsyncClient/ws/httpasyncclient-trunk/target/httpcomponents-asyncclient-4.0-beta3-SNAPSHOT-site.xml> to /home/jenkins/jenkins-slave/maven-repositories/1/org/apache/httpcomponents/httpcomponents-asyncclient/4.0-beta3-SNAPSHOT/httpcomponents-asyncclient-4.0-beta3-SNAPSHOT-site.xml
[JENKINS] Archiving <https://builds.apache.org/job/HttpComponents%20AsyncClient/ws/httpasyncclient-trunk/pom.xml> to /home/hudson/hudson/jobs/HttpComponents AsyncClient/modules/org.apache.httpcomponents$httpcomponents-asyncclient/builds/2012-09-25_12-05-47/archive/org.apache.httpcomponents/httpcomponents-asyncclient/4.0-beta3-SNAPSHOT/httpcomponents-asyncclient-4.0-beta3-SNAPSHOT.pom
[JENKINS] Archiving <https://builds.apache.org/job/HttpComponents%20AsyncClient/ws/httpasyncclient-trunk/target/httpcomponents-asyncclient-4.0-beta3-SNAPSHOT-site.xml> to /home/hudson/hudson/jobs/HttpComponents AsyncClient/modules/org.apache.httpcomponents$httpcomponents-asyncclient/builds/2012-09-25_12-05-47/archive/org.apache.httpcomponents/httpcomponents-asyncclient/4.0-beta3-SNAPSHOT/httpcomponents-asyncclient-4.0-beta3-SNAPSHOT-site.xml
[INFO] ------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO] ------------------------------------------------------------------------
[INFO] Failed to load hudson.maven.reporters.MavenArtifact
Unknown constant tag 101 in class file hudson/maven/reporters/MavenArtifact
[INFO] ------------------------------------------------------------------------
[INFO] Trace
java.lang.ClassFormatError: Failed to load hudson.maven.reporters.MavenArtifact
	at hudson.remoting.RemoteClassLoader.loadClassFile(RemoteClassLoader.java:154)
	at hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:131)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
	at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
	at hudson.maven.reporters.MavenArtifactArchiver.postBuild(MavenArtifactArchiver.java:101)
	at hudson.maven.Maven2Builder.postModule(Maven2Builder.java:127)
	at hudson.maven.MavenBuilder$Adapter.fireLeaveModule(MavenBuilder.java:327)
	at hudson.maven.MavenBuilder$Adapter.endModule(MavenBuilder.java:292)
	at org.apache.maven.lifecycle.LifecycleExecutorInterceptor$EventMonitorImpl.endEvent(LifecycleExecutorInterceptor.java:92)
	at org.apache.maven.monitor.event.DefaultEventDispatcher.dispatchEnd(DefaultEventDispatcher.java:54)
	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:360)
	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:180)
	at org.apache.maven.lifecycle.LifecycleExecutorInterceptor.execute(LifecycleExecutorInterceptor.java:65)
	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328)
	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
	at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:592)
	at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
	at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
	at hudson.maven.agent.Main.launch(Main.java:185)
	at hudson.maven.MavenBuilder.call(MavenBuilder.java:151)
	at hudson.maven.Maven2Builder.call(Maven2Builder.java:77)
	at hudson.maven.Maven2Builder.call(Maven2Builder.java:53)
	at hudson.remoting.UserRequest.perform(UserRequest.java:118)
	at hudson.remoting.UserRequest.perform(UserRequest.java:48)
	at hudson.remoting.Request$2.run(Request.java:326)
	at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:269)
	at java.util.concurrent.FutureTask.run(FutureTask.java:123)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:651)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:676)
	at java.lang.Thread.run(Thread.java:595)
Caused by: java.lang.ClassFormatError: Unknown constant tag 101 in class file hudson/maven/reporters/MavenArtifact
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:621)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:466)
	at hudson.remoting.RemoteClassLoader.loadClassFile(RemoteClassLoader.java:152)
	... 35 more
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 21 seconds
[INFO] Finished at: Tue Sep 25 12:06:45 UTC 2012
[INFO] Final Memory: 44M/324M
[INFO] ------------------------------------------------------------------------
channel stopped