Hi Jody!

Seen you triggered another build. 

I think this was right after I switched the JDK to java8 latest. Not sure 
though. 
Will check the result to make sure it runs fine later.

txs and LieGrue,
strub


> Am 04.05.2017 um 09:28 schrieb Apache Jenkins Server 
> <[email protected]>:
> 
> See 
> <https://builds.apache.org/job/OpenJPA-trunk-deploy/548/display/redirect?page=changes>
> 
> Changes:
> 
> [ilgrosso] [OPENJPA-2698] Applying the provided patch
> 
> ------------------------------------------
> [...truncated 2.32 MB...]
> [INFO] Rat check: Summary of files. Unapproved: 0 unknown: 0 generated: 0 
> approved: 0 licence.
> [INFO] 
> [INFO] --- maven-install-plugin:2.5.2:install (default-install) @ 
> openjpa-fetch-statistics-was ---
> [INFO] Installing 
> <https://builds.apache.org/job/OpenJPA-trunk-deploy/ws/trunk/openjpa-tools/openjpa-fetch-statistics-was/target/openjpa-fetch-statistics-was-3.0.0-SNAPSHOT.jar>
>  to 
> /home/jenkins/jenkins-slave/maven-repositories/1/org/apache/openjpa/openjpa-fetch-statistics-was/3.0.0-SNAPSHOT/openjpa-fetch-statistics-was-3.0.0-SNAPSHOT.jar
> [INFO] Installing 
> <https://builds.apache.org/job/OpenJPA-trunk-deploy/ws/trunk/openjpa-tools/openjpa-fetch-statistics-was/dependency-reduced-pom.xml>
>  to 
> /home/jenkins/jenkins-slave/maven-repositories/1/org/apache/openjpa/openjpa-fetch-statistics-was/3.0.0-SNAPSHOT/openjpa-fetch-statistics-was-3.0.0-SNAPSHOT.pom
> [INFO] Installing 
> <https://builds.apache.org/job/OpenJPA-trunk-deploy/ws/trunk/openjpa-tools/openjpa-fetch-statistics-was/target/openjpa-fetch-statistics-was-3.0.0-SNAPSHOT-tests.jar>
>  to 
> /home/jenkins/jenkins-slave/maven-repositories/1/org/apache/openjpa/openjpa-fetch-statistics-was/3.0.0-SNAPSHOT/openjpa-fetch-statistics-was-3.0.0-SNAPSHOT-tests.jar
> [INFO] 
> [INFO] --- maven-deploy-plugin:2.8.2:deploy (default-deploy) @ 
> openjpa-fetch-statistics-was ---
> Downloading: 
> https://repository.apache.org/content/repositories/snapshots/org/apache/openjpa/openjpa-fetch-statistics-was/3.0.0-SNAPSHOT/maven-metadata.xml
> Downloaded: 
> https://repository.apache.org/content/repositories/snapshots/org/apache/openjpa/openjpa-fetch-statistics-was/3.0.0-SNAPSHOT/maven-metadata.xml
>  (1012 B at 1.8 KB/sec)
> Uploading: 
> https://repository.apache.org/content/repositories/snapshots/org/apache/openjpa/openjpa-fetch-statistics-was/3.0.0-SNAPSHOT/openjpa-fetch-statistics-was-3.0.0-20170504.072814-27.jar
> Uploaded: 
> https://repository.apache.org/content/repositories/snapshots/org/apache/openjpa/openjpa-fetch-statistics-was/3.0.0-SNAPSHOT/openjpa-fetch-statistics-was-3.0.0-20170504.072814-27.jar
>  (21 KB at 22.8 KB/sec)
> Uploading: 
> https://repository.apache.org/content/repositories/snapshots/org/apache/openjpa/openjpa-fetch-statistics-was/3.0.0-SNAPSHOT/openjpa-fetch-statistics-was-3.0.0-20170504.072814-27.pom
> Uploaded: 
> https://repository.apache.org/content/repositories/snapshots/org/apache/openjpa/openjpa-fetch-statistics-was/3.0.0-SNAPSHOT/openjpa-fetch-statistics-was-3.0.0-20170504.072814-27.pom
>  (4 KB at 4.1 KB/sec)
> Downloading: 
> https://repository.apache.org/content/repositories/snapshots/org/apache/openjpa/openjpa-fetch-statistics-was/maven-metadata.xml
> Downloaded: 
> https://repository.apache.org/content/repositories/snapshots/org/apache/openjpa/openjpa-fetch-statistics-was/maven-metadata.xml
>  (406 B at 0.7 KB/sec)
> Uploading: 
> https://repository.apache.org/content/repositories/snapshots/org/apache/openjpa/openjpa-fetch-statistics-was/3.0.0-SNAPSHOT/maven-metadata.xml
> Uploaded: 
> https://repository.apache.org/content/repositories/snapshots/org/apache/openjpa/openjpa-fetch-statistics-was/3.0.0-SNAPSHOT/maven-metadata.xml
>  (1012 B at 1.2 KB/sec)
> Uploading: 
> https://repository.apache.org/content/repositories/snapshots/org/apache/openjpa/openjpa-fetch-statistics-was/maven-metadata.xml
> Uploaded: 
> https://repository.apache.org/content/repositories/snapshots/org/apache/openjpa/openjpa-fetch-statistics-was/maven-metadata.xml
>  (406 B at 0.5 KB/sec)
> Uploading: 
> https://repository.apache.org/content/repositories/snapshots/org/apache/openjpa/openjpa-fetch-statistics-was/3.0.0-SNAPSHOT/openjpa-fetch-statistics-was-3.0.0-20170504.072814-27-tests.jar
> Uploaded: 
> https://repository.apache.org/content/repositories/snapshots/org/apache/openjpa/openjpa-fetch-statistics-was/3.0.0-SNAPSHOT/openjpa-fetch-statistics-was-3.0.0-20170504.072814-27-tests.jar
>  (9 KB at 8.7 KB/sec)
> Uploading: 
> https://repository.apache.org/content/repositories/snapshots/org/apache/openjpa/openjpa-fetch-statistics-was/3.0.0-SNAPSHOT/maven-metadata.xml
> Uploaded: 
> https://repository.apache.org/content/repositories/snapshots/org/apache/openjpa/openjpa-fetch-statistics-was/3.0.0-SNAPSHOT/maven-metadata.xml
>  (1012 B at 1.2 KB/sec)
> [INFO]                                                                        
>  
> [INFO] 
> ------------------------------------------------------------------------
> [INFO] Building OpenJPA Features 3.0.0-SNAPSHOT
> [INFO] 
> ------------------------------------------------------------------------
> Downloading: 
> http://repo.maven.apache.org/maven2/org/apache/karaf/tooling/karaf-maven-plugin/maven-metadata.xml
> Downloaded: 
> http://repo.maven.apache.org/maven2/org/apache/karaf/tooling/karaf-maven-plugin/maven-metadata.xml
>  (2 KB at 12.1 KB/sec)
> [INFO] 
> [INFO] --- maven-clean-plugin:3.0.0:clean (default-clean) @ openjpa-features 
> ---
> [INFO] 
> [INFO] --- buildnumber-maven-plugin:1.4:create (default) @ openjpa-features 
> ---
> [INFO] 
> [INFO] --- maven-enforcer-plugin:1.4.1:enforce (default) @ openjpa-features 
> ---
> [INFO] 
> [INFO] --- maven-checkstyle-plugin:2.9:checkstyle (default) @ 
> openjpa-features ---
> [INFO] 
> [INFO] --- maven-remote-resources-plugin:1.5:process 
> (process-resource-bundles) @ openjpa-features ---
> [INFO] 
> [INFO] --- karaf-maven-plugin:4.1.1:features-generate-descriptor (compile) @ 
> openjpa-features ---
> [WARNING] Error injecting: 
> org.apache.karaf.tooling.features.GenerateDescriptorMojo
> java.lang.TypeNotPresentException: Type 
> org.apache.karaf.tooling.features.GenerateDescriptorMojo not present
>       at 
> org.sonatype.guice.bean.reflect.URLClassSpace.loadClass(URLClassSpace.java:109)
>       at org.sonatype.guice.bean.reflect.NamedClass.load(NamedClass.java:45)
>       at 
> org.sonatype.guice.bean.reflect.AbstractDeferredClass.get(AbstractDeferredClass.java:45)
>       at 
> com.google.inject.internal.ProviderInternalFactory.provision(ProviderInternalFactory.java:84)
>       at 
> com.google.inject.internal.InternalFactoryToInitializableAdapter.provision(InternalFactoryToInitializableAdapter.java:52)
>       at 
> com.google.inject.internal.ProviderInternalFactory$1.call(ProviderInternalFactory.java:70)
>       at 
> com.google.inject.internal.ProvisionListenerStackCallback$Provision.provision(ProvisionListenerStackCallback.java:100)
>       at 
> org.sonatype.guice.plexus.lifecycles.PlexusLifecycleManager.onProvision(PlexusLifecycleManager.java:138)
>       at 
> com.google.inject.internal.ProvisionListenerStackCallback$Provision.provision(ProvisionListenerStackCallback.java:108)
>       at 
> com.google.inject.internal.ProvisionListenerStackCallback.provision(ProvisionListenerStackCallback.java:55)
>       at 
> com.google.inject.internal.ProviderInternalFactory.circularGet(ProviderInternalFactory.java:68)
>       at 
> com.google.inject.internal.InternalFactoryToInitializableAdapter.get(InternalFactoryToInitializableAdapter.java:45)
>       at 
> com.google.inject.internal.InjectorImpl$3$1.call(InjectorImpl.java:965)
>       at 
> com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1011)
>       at com.google.inject.internal.InjectorImpl$3.get(InjectorImpl.java:961)
>       at com.google.inject.Scopes$1$1.get(Scopes.java:59)
>       at 
> org.sonatype.guice.bean.locators.LazyBeanEntry.getValue(LazyBeanEntry.java:83)
>       at 
> org.sonatype.guice.plexus.locators.LazyPlexusBean.getValue(LazyPlexusBean.java:49)
>       at 
> org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:253)
>       at 
> org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:245)
>       at 
> org.apache.maven.plugin.internal.DefaultMavenPluginManager.getConfiguredMojo(DefaultMavenPluginManager.java:455)
>       at 
> org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:92)
>       at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
>       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:117)
>       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:606)
>       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:181)
>       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:606)
>       at hudson.maven.Maven3Builder.call(Maven3Builder.java:139)
>       at hudson.maven.Maven3Builder.call(Maven3Builder.java:70)
>       at hudson.remoting.UserRequest.perform(UserRequest.java:153)
>       at hudson.remoting.UserRequest.perform(UserRequest.java:50)
>       at hudson.remoting.Request$2.run(Request.java:336)
>       at 
> hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:68)
>       at java.util.concurrent.FutureTask.run(FutureTask.java:262)
>       at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>       at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.UnsupportedClassVersionError: 
> org/apache/karaf/tooling/features/GenerateDescriptorMojo : Unsupported 
> major.minor version 52.0
>       at java.lang.ClassLoader.defineClass1(Native Method)
>       at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
>       at 
> java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
>       at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
>       at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
>       at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
>       at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
>       at java.security.AccessController.doPrivileged(Native Method)
>       at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
>       at 
> org.codehaus.plexus.classworlds.realm.ClassRealm.loadClassFromSelf(ClassRealm.java:386)
>       at 
> org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:42)
>       at 
> org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:244)
>       at 
> org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:230)
>       at 
> org.sonatype.guice.bean.reflect.URLClassSpace.loadClass(URLClassSpace.java:101)
>       ... 52 more
> 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:606)
>       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:181)
>       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:606)
>       at hudson.maven.Maven3Builder.call(Maven3Builder.java:139)
>       at hudson.maven.Maven3Builder.call(Maven3Builder.java:70)
>       at hudson.remoting.UserRequest.perform(UserRequest.java:153)
>       at hudson.remoting.UserRequest.perform(UserRequest.java:50)
>       at hudson.remoting.Request$2.run(Request.java:336)
>       at 
> hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:68)
>       at java.util.concurrent.FutureTask.run(FutureTask.java:262)
>       at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>       at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.UnsupportedClassVersionError: 
> org/apache/karaf/tooling/features/GenerateDescriptorMojo : Unsupported 
> major.minor version 52.0
>       at java.lang.ClassLoader.defineClass1(Native Method)
>       at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
>       at 
> java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
>       at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
>       at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
>       at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
>       at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
>       at java.security.AccessController.doPrivileged(Native Method)
>       at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
>       at 
> org.codehaus.plexus.classworlds.realm.ClassRealm.loadClassFromSelf(ClassRealm.java:386)
>       at 
> org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:42)
>       at 
> org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:244)
>       at 
> org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:230)
>       at hudson.maven.ExecutedMojo.getMojoClass(ExecutedMojo.java:126)
>       at hudson.maven.ExecutedMojo.<init>(ExecutedMojo.java:99)
>       at 
> hudson.maven.Maven3Builder$MavenExecutionListener.recordExecutionTime(Maven3Builder.java:654)
>       at 
> hudson.maven.Maven3Builder$MavenExecutionListener.recordMojoEnded(Maven3Builder.java:618)
>       at 
> hudson.maven.Maven3Builder$MavenExecutionListener.mojoFailed(Maven3Builder.java:662)
>       at 
> org.apache.maven.lifecycle.internal.DefaultExecutionEventCatapult.fire(DefaultExecutionEventCatapult.java:90)
>       at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:232)
>       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:117)
>       ... 21 more
> Sending e-mails to: [email protected]
> ERROR: Failed to parse POMs
> java.io.IOException: java.lang.reflect.InvocationTargetException
>       at hudson.maven.Maven3Builder.call(Maven3Builder.java:179)
>       at hudson.maven.Maven3Builder.call(Maven3Builder.java:70)
>       at hudson.remoting.UserRequest.perform(UserRequest.java:153)
>       at hudson.remoting.UserRequest.perform(UserRequest.java:50)
>       at hudson.remoting.Request$2.run(Request.java:336)
>       at 
> hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:68)
>       at java.util.concurrent.FutureTask.run(FutureTask.java:262)
>       at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>       at java.lang.Thread.run(Thread.java:745)
>       at ......remote call to Channel to Maven 
> [/home/jenkins/tools/java/latest1.7/bin/java, -Xmx1280m, 
> -XX:MaxPermSize=512m, -cp, 
> /home/jenkins/jenkins-slave/maven3-agent.jar:/home/jenkins/tools/maven/apache-maven-3.0.4/boot/plexus-classworlds-2.4.jar,
>  org.jvnet.hudson.maven3.agent.Maven3Main, 
> /home/jenkins/tools/maven/apache-maven-3.0.4, 
> /home/jenkins/jenkins-slave/slave.jar, 
> /home/jenkins/jenkins-slave/maven3-interceptor.jar, 
> /home/jenkins/jenkins-slave/maven3-interceptor-commons.jar, 39375](Native 
> Method)
>       at hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1545)
>       at hudson.remoting.UserResponse.retrieve(UserRequest.java:253)
>       at hudson.remoting.Channel.call(Channel.java:830)
>       at hudson.maven.ProcessCache$MavenProcess.call(ProcessCache.java:161)
>       at 
> hudson.maven.MavenModuleSetBuild$MavenModuleSetBuildExecution.doRun(MavenModuleSetBuild.java:873)
>       at 
> hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:534)
>       at hudson.model.Run.execute(Run.java:1728)
>       at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:544)
>       at hudson.model.ResourceController.execute(ResourceController.java:98)
>       at hudson.model.Executor.run(Executor.java:405)
> 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:606)
>       at hudson.maven.Maven3Builder.call(Maven3Builder.java:139)
>       at hudson.maven.Maven3Builder.call(Maven3Builder.java:70)
>       at hudson.remoting.UserRequest.perform(UserRequest.java:153)
>       at hudson.remoting.UserRequest.perform(UserRequest.java:50)
>       at hudson.remoting.Request$2.run(Request.java:336)
>       at 
> hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:68)
>       at java.util.concurrent.FutureTask.run(FutureTask.java:262)
>       at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>       at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.Exception: java.lang.reflect.InvocationTargetException
>       at org.jvnet.hudson.maven3.agent.Maven3Main.launch(Maven3Main.java:184)
>       ... 14 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:606)
>       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:181)
>       ... 14 more
> Caused by: java.lang.UnsupportedClassVersionError: 
> org/apache/karaf/tooling/features/GenerateDescriptorMojo : Unsupported 
> major.minor version 52.0
>       at java.lang.ClassLoader.defineClass1(Native Method)
>       at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
>       at 
> java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
>       at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
>       at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
>       at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
>       at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
>       at java.security.AccessController.doPrivileged(Native Method)
>       at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
>       at 
> org.codehaus.plexus.classworlds.realm.ClassRealm.loadClassFromSelf(ClassRealm.java:386)
>       at 
> org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:42)
>       at 
> org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:244)
>       at 
> org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:230)
>       at hudson.maven.ExecutedMojo.getMojoClass(ExecutedMojo.java:126)
>       at hudson.maven.ExecutedMojo.<init>(ExecutedMojo.java:99)
>       at 
> hudson.maven.Maven3Builder$MavenExecutionListener.recordExecutionTime(Maven3Builder.java:654)
>       at 
> hudson.maven.Maven3Builder$MavenExecutionListener.recordMojoEnded(Maven3Builder.java:618)
>       at 
> hudson.maven.Maven3Builder$MavenExecutionListener.mojoFailed(Maven3Builder.java:662)
>       at 
> org.apache.maven.lifecycle.internal.DefaultExecutionEventCatapult.fire(DefaultExecutionEventCatapult.java:90)
>       at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:232)
>       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:117)
>       ... 21 more
> channel stopped

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