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    <p>I followed <a href="http://obscuredclarity.blogspot.co.il/2012/04/continuous-integration-using-jenkins.html">this tutorial</a> to setting up Jenkins with GIT and Maven (with slight changes because i'm using Linux CenOS).</p> <p>I'm trying to test my setup on a <a href="https://github.com/javacares/maven-demo.git">Demo Maven project from GitHub</a></p> <p>Jenkins throws an exception when trying to execute Maven. So I tried to git-clone the project and run Maven manually and it works fine.</p> <p>So the problem is with Jenkins running Maven. I tried searching google for the problem but couldn't find any useful information.</p> <p>My current suspicions are:</p> <ol> <li>Maybe Jenkins doesn't use the correct classpath for executing Maven. This could be due to lack of permission to read files, since Jenkins has it's own user on linux (named jenkins).</li> <li>Maybe Maven isn't installed correctly. I installed it manually, rather than letting Jenkins install it for me, since I need this setup to be working offline.</li> </ol> <p>Here is the console output from Jenkins:</p> <pre><code>Started by an SCM change Building in workspace /var/lib/jenkins/jobs/Omri/workspace Checkout:workspace / /var/lib/jenkins/jobs/Omri/workspace - hudson.remoting.LocalChannel@7ff79fae Using strategy: Default Last Built Revision: Revision af62f13d2374bc00a4b67f7586bfd52b7bda80eb (origin/prepare) Fetching changes from 1 remote Git repository Fetching upstream changes from origin Seen branch in repository origin/HEAD Seen branch in repository origin/master Seen branch in repository origin/prepare Seen 3 remote branches Commencing build of Revision a9a1fc4a96d4ac4af3ca5e7e3b7393a6df4bf555 (origin/HEAD, origin/master) Checking out Revision a9a1fc4a96d4ac4af3ca5e7e3b7393a6df4bf555 (origin/HEAD, origin/master) No change to record in branch origin/HEAD No change to record in branch origin/master Parsing POMs Modules changed, recalculating dependency graph [workspace] $ /usr/java/jdk1.7.0_17/bin/java -cp /var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven3-agent-1.3.jar:/home/jenkins/maven/boot/plexus-classworlds-2.4.2.jar org.jvnet.hudson.maven3.agent.Maven3Main /home/jenkins/maven/ /var/cache/jenkins/war/WEB-INF/lib/remoting-2.24.jar /var/lib/jenkins/plugins/maven-plugin/WEB-INF/lib/maven3-interceptor-1.3.jar 53953 &lt;===[JENKINS REMOTING CAPACITY]===&gt;���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 /var/lib/jenkins/jobs/Omri/workspace/pom.xml -Dmaven.repo.local=/var/lib/jenkins/maven-repositories/1 package 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:601) at org.codehaus.plexus.classworlds.launcher.Launcher.launchStandard(Launcher.java:331) at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:239) at org.jvnet.hudson.maven3.agent.Maven3Main.launch(Maven3Main.java:174) at hudson.maven.Maven3Builder.call(Maven3Builder.java:100) at hudson.maven.Maven3Builder.call(Maven3Builder.java:66) 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:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:722) Caused by: java.lang.NoClassDefFoundError: org/apache/maven/cli/MavenLoggerManager at org.jvnet.hudson.maven3.launcher.Maven3Launcher.main(Maven3Launcher.java:73) ... 18 more Caused by: java.lang.ClassNotFoundException: org.apache.maven.cli.MavenLoggerManager at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:50) at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:244) at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:230) ... 19 more channel stopped ERROR: Failed to parse POMs hudson.util.IOException2: java.lang.reflect.InvocationTargetException at hudson.maven.Maven3Builder.call(Maven3Builder.java:162) at hudson.maven.Maven3Builder.call(Maven3Builder.java:66) 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:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:722) Caused by: java.lang.Exception: java.lang.reflect.InvocationTargetException at org.jvnet.hudson.maven3.agent.Maven3Main.launch(Maven3Main.java:177) at hudson.maven.Maven3Builder.call(Maven3Builder.java:100) ... 10 more Caused by: 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:601) at org.codehaus.plexus.classworlds.launcher.Launcher.launchStandard(Launcher.java:331) at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:239) at org.jvnet.hudson.maven3.agent.Maven3Main.launch(Maven3Main.java:174) ... 11 more Caused by: java.lang.NoClassDefFoundError: org/apache/maven/cli/MavenLoggerManager at org.jvnet.hudson.maven3.launcher.Maven3Launcher.main(Maven3Launcher.java:73) ... 18 more Caused by: java.lang.ClassNotFoundException: org.apache.maven.cli.MavenLoggerManager at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:50) at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:244) at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:230) ... 19 more Finished: FAILURE </code></pre> <p>Ideas anyone? Thanks.</p>
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