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java.lang.LinkageError: loader constraint violation: loader (instance of sun/misc/Launcher$AppClassLoader) previously initiated loading for a different type with name "com/google/common/base/Predicate"	at java.lang.ClassLoader.defineClass1(Native Method)	at java.lang.ClassLoader.defineClass(ClassLoader.java:637)	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)	at java.net.URLClassLoader.defineClass(URLClassLoader.java:277)	at java.net.URLClassLoader.access$000(URLClassLoader.java:73)	at java.net.URLClassLoader$1.run(URLClassLoader.java:212)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(URLClassLoader.java:205)	at java.lang.ClassLoader.loadClass(ClassLoader.java:323)	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)	at java.lang.ClassLoader.loadClass(ClassLoader.java:268)	at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:336)	at com.google.common.collect.Iterators$7.computeNext(Iterators.java:649)	at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)	at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)	at hudson.maven.reporters.SurefireArchiver.postExecute(SurefireArchiver.java:145)	at hudson.maven.Maven3Builder$MavenExecutionListener.recordMojoEnded(Maven3Builder.java:453)	at hudson.maven.Maven3Builder$MavenExecutionListener.mojoSucceeded(Maven3Builder.java:435)	at org.apache.maven.lifecycle.internal.DefaultExecutionEventCatapult.fire(DefaultExecutionEventCatapult.java:87)	at org.apache.maven.lifecycle.internal.DefaultExecutionEventCatapult.fire(DefaultExecutionEventCatapult.java:42)	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:228)	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:320)	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:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:616)	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: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:1110)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)	at java.lang.Thread.run(Thread.java:636)