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java.lang.NullPointerException: 	at hudson.maven.ExecutedMojo.getMojoClass(ExecutedMojo.java:114)	at hudson.maven.ExecutedMojo.(ExecutedMojo.java:99)	at hudson.maven.Maven3Builder$MavenExecutionListener.recordExecutionTime(Maven3Builder.java:524)	at hudson.maven.Maven3Builder$MavenExecutionListener.recordMojoSucceeded(Maven3Builder.java:493)	at hudson.maven.Maven3Builder$MavenExecutionListener.forkSucceeded(Maven3Builder.java:601)	at org.apache.maven.lifecycle.internal.DefaultExecutionEventCatapult.fire(DefaultExecutionEventCatapult.java:97)	at org.apache.maven.lifecycle.internal.DefaultExecutionEventCatapult.fire(DefaultExecutionEventCatapult.java:42)	at org.apache.maven.lifecycle.internal.MojoExecutor.executeForkedExecutions(MojoExecutor.java:383)	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:199)	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:319)	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)	at org.jvnet.hudson.maven3.launcher.Maven3Launcher.main(Maven3Launcher.java:79)	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:597)	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:158)	at hudson.maven.Maven3Builder.call(Maven3Builder.java:112)	at hudson.maven.Maven3Builder.call(Maven3Builder.java:70)	at hudson.remoting.UserRequest.perform(UserRequest.java:118)	at hudson.remoting.UserRequest.perform(UserRequest.java:48)	at hudson.remoting.Request$2.run(Request.java:287)	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)	at java.util.concurrent.FutureTask.run(FutureTask.java:138)	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)	at java.lang.Thread.run(Thread.java:662)