All our Jenkins builds using Maven2 are failing after upgrade to 1.517. Reverting back to 1.516 solves the issue. Our Maven 3 based builds are not affected.

[INFO] ------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO] ------------------------------------------------------------------------
[INFO] org/apache/commons/codec/digest/DigestUtils.md5Hex(Ljava/io/InputStream;)Ljava/lang/String;
[INFO] ------------------------------------------------------------------------
[INFO] Trace
java.lang.NoSuchMethodError: org/apache/commons/codec/digest/DigestUtils.md5Hex(Ljava/io/InputStream;)Ljava/lang/String;
at hudson.Util.getDigestOf(Util.java:557)
at hudson.maven.reporters.MavenArtifactArchiver.postBuild(MavenArtifactArchiver.java:101)
at hudson.maven.Maven2Builder.postModule(Maven2Builder.java:129)
at hudson.maven.MavenBuilder$Adapter.fireLeaveModule(MavenBuilder.java:354)
at hudson.maven.MavenBuilder$Adapter.postBuild(MavenBuilder.java:308)
at org.apache.maven.lifecycle.LifecycleExecutorInterceptor.execute(LifecycleExecutorInterceptor.java:68)
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:60)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
at java.lang.reflect.Method.invoke(Method.java:611)
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:154)
at hudson.maven.Maven2Builder.call(Maven2Builder.java:79)
at hudson.maven.Maven2Builder.call(Maven2Builder.java:55)
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:314)
at java.util.concurrent.FutureTask.run(FutureTask.java:149)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:897)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:919)
at java.lang.Thread.run(Thread.java:738)
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 8 seconds
[INFO] Finished at: Mon Jun 03 15:26:42 CEST 2013
[INFO] Final Memory: 49M/125M
[INFO] ------------------------------------------------------------------------
channel stopped
Finished: FAILURE