The Torque project has jenkins builds running on the latest 1.5 JDK and the last builds have failed with the following error (full stack trace below) ... Caused by: java.lang.ClassFormatError: Failed to load javax.servlet.ServletException ... Caused by: java.lang.UnsupportedClassVersionError: Bad version number in .class file ... The error occurs before the project is compiled, so this does not seem to be a problem in the project set-up but rather in jenkins itself.
After setting the jdk to 1.6-latest, the build runs ok but this is not a permanent solution as we want to ensure buildability on java 1.5. We use maven-2.2.1 and are running on ubuntu nodes. Any help is appreciated. I have re-configured to use jdk 1.5, feel free to start builds to analyze the behaviour. Thanks, Thomas failed build example (jdk 1.5) https://builds.apache.org/view/S-Z/view/Torque/job/Torque4-trunk/61/ working build example(jdk 1.6) https://builds.apache.org/view/S-Z/view/Torque/job/Torque4-trunk/62/ Full console output, failed build: Started by user tfischer Building remotely on ubuntu1 in workspace /home/jenkins/jenkins-slave/workspace/Torque4-trunk Cleaning up /home/jenkins/jenkins-slave/workspace/Torque4-trunk/torque4-trunk Updating http://svn.apache.org/repos/asf/db/torque/torque4/trunk At revision 1244828 no change for http://svn.apache.org/repos/asf/db/torque/torque4/trunk since the previous build Parsing POMs [torque-maven-parent] $ /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 40457 /home/jenkins/jenkins-slave/maven2.1-interceptor.jar <===[JENKINS REMOTING CAPACITY]===>channel started ���channel stopped ERROR: Failed to parse POMs java.io.IOException: Remote call on Channel to Maven [/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, 40457, /home/jenkins/jenkins-slave/maven2.1-interceptor.jar] failed at hudson.remoting.Channel.call(Channel.java:690) at hudson.maven.ProcessCache$MavenProcess.call (ProcessCache.java:156) at hudson.maven.MavenModuleSetBuild$RunnerImpl.doRun (MavenModuleSetBuild.java:795) at hudson.model.AbstractBuild$AbstractRunner.run (AbstractBuild.java:470) at hudson.model.Run.run(Run.java:1409) at hudson.maven.MavenModuleSetBuild.run (MavenModuleSetBuild.java:481) at hudson.model.ResourceController.execute (ResourceController.java:88) at hudson.model.Executor.run(Executor.java:238) Caused by: java.lang.ClassFormatError: Failed to load javax.servlet.ServletException 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.plugins.cobertura.MavenCoberturaPublisher.<clinit> (MavenCoberturaPublisher.java:239) at sun.misc.Unsafe.ensureClassInitialized(Native Method) at sun.reflect.UnsafeFieldAccessorFactory.newFieldAccessor (UnsafeFieldAccessorFactory.java:25) at sun.reflect.ReflectionFactory.newFieldAccessor (ReflectionFactory.java:122) at java.lang.reflect.Field.acquireFieldAccessor (Field.java:918) at java.lang.reflect.Field.getFieldAccessor(Field.java:899) at java.lang.reflect.Field.getLong(Field.java:528) at java.io.ObjectStreamClass.getDeclaredSUID (ObjectStreamClass.java:1586) at java.io.ObjectStreamClass.access$700 (ObjectStreamClass.java:52) at java.io.ObjectStreamClass$2.run(ObjectStreamClass.java:408) at java.security.AccessController.doPrivileged(Native Method) at java.io.ObjectStreamClass.<init> (ObjectStreamClass.java:400) at java.io.ObjectStreamClass.lookup (ObjectStreamClass.java:297) at java.io.ObjectStreamClass.initNonProxy (ObjectStreamClass.java:531) at java.io.ObjectInputStream.readNonProxyDesc (ObjectInputStream.java:1552) at java.io.ObjectInputStream.readClassDesc (ObjectInputStream.java:1466) at java.io.ObjectInputStream.readOrdinaryObject (ObjectInputStream.java:1699) at java.io.ObjectInputStream.readObject0 (ObjectInputStream.java:1305) at java.io.ObjectInputStream.readObject (ObjectInputStream.java:348) at java.util.ArrayList.readObject(ArrayList.java:591) at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:592) at java.io.ObjectStreamClass.invokeReadObject (ObjectStreamClass.java:946) at java.io.ObjectInputStream.readSerialData (ObjectInputStream.java:1812) at java.io.ObjectInputStream.readOrdinaryObject (ObjectInputStream.java:1719) at java.io.ObjectInputStream.readObject0 (ObjectInputStream.java:1305) at java.io.ObjectInputStream.readObject (ObjectInputStream.java:348) at java.util.HashMap.readObject(HashMap.java:1067) 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 java.io.ObjectStreamClass.invokeReadObject (ObjectStreamClass.java:946) at java.io.ObjectInputStream.readSerialData (ObjectInputStream.java:1812) at java.io.ObjectInputStream.readOrdinaryObject (ObjectInputStream.java:1719) at java.io.ObjectInputStream.readObject0 (ObjectInputStream.java:1305) at java.io.ObjectInputStream.defaultReadFields (ObjectInputStream.java:1910) at java.io.ObjectInputStream.readSerialData (ObjectInputStream.java:1834) at java.io.ObjectInputStream.readOrdinaryObject (ObjectInputStream.java:1719) at java.io.ObjectInputStream.readObject0 (ObjectInputStream.java:1305) at java.io.ObjectInputStream.readObject (ObjectInputStream.java:348) 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:287) 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.UnsupportedClassVersionError: Bad version number in .class file 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) ... 56 more Skipping Cobertura coverage report as build was not UNSTABLE or better ... Finished: FAILURE