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Posted to dev@bookkeeper.apache.org by Apache Jenkins Server <je...@builds.apache.org> on 2012/11/02 15:45:54 UTC

Jenkins build is unstable: bookkeeper-trunk #785

See <https://builds.apache.org/job/bookkeeper-trunk/785/>


Jenkins build is back to stable : bookkeeper-trunk #789

Posted by Apache Jenkins Server <je...@builds.apache.org>.
See <https://builds.apache.org/job/bookkeeper-trunk/789/>


Jenkins build is unstable: bookkeeper-trunk #788

Posted by Apache Jenkins Server <je...@builds.apache.org>.
See <https://builds.apache.org/job/bookkeeper-trunk/788/>


Build failed in Jenkins: bookkeeper-trunk #787

Posted by Apache Jenkins Server <je...@builds.apache.org>.
See <https://builds.apache.org/job/bookkeeper-trunk/787/>

------------------------------------------
[...truncated 1325 lines...]
[INFO] 
[INFO] --- findbugs-maven-plugin:2.3.2:check (default-cli) @ bookkeeper-server-compat400 ---
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building bookkeeper-server-compat410 4.1.0
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-remote-resources-plugin:1.1:process (default) @ bookkeeper-server-compat410 ---
[INFO] 
[INFO] --- maven-resources-plugin:2.4.3:resources (default-resources) @ bookkeeper-server-compat410 ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory <https://builds.apache.org/job/bookkeeper-trunk/ws/trunk/compat-deps/bookkeeper-server-compat-4.1.0/src/main/resources>
[INFO] Copying 3 resources
[INFO] 
[INFO] --- maven-compiler-plugin:2.3.2:compile (default-compile) @ bookkeeper-server-compat410 ---
[INFO] No sources to compile
[INFO] 
[INFO] >>> findbugs-maven-plugin:2.3.2:check (default-cli) @ bookkeeper-server-compat410 >>>
[INFO] 
[INFO] --- findbugs-maven-plugin:2.3.2:findbugs (findbugs) @ bookkeeper-server-compat410 ---
[INFO] ****** FindBugsMojo execute *******
[INFO] canGenerate is false
[INFO] 
[INFO] <<< findbugs-maven-plugin:2.3.2:check (default-cli) @ bookkeeper-server-compat410 <<<
[INFO] 
[INFO] --- findbugs-maven-plugin:2.3.2:check (default-cli) @ bookkeeper-server-compat410 ---
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building hedwig-server-compat400 4.0.0
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-remote-resources-plugin:1.1:process (default) @ hedwig-server-compat400 ---
[INFO] 
[INFO] --- maven-resources-plugin:2.4.3:resources (default-resources) @ hedwig-server-compat400 ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory <https://builds.apache.org/job/bookkeeper-trunk/ws/trunk/compat-deps/hedwig-server-compat-4.0.0/src/main/resources>
[INFO] Copying 3 resources
[INFO] 
[INFO] --- maven-compiler-plugin:2.3.2:compile (default-compile) @ hedwig-server-compat400 ---
[INFO] No sources to compile
[INFO] 
[INFO] >>> findbugs-maven-plugin:2.3.2:check (default-cli) @ hedwig-server-compat400 >>>
[INFO] 
[INFO] --- findbugs-maven-plugin:2.3.2:findbugs (findbugs) @ hedwig-server-compat400 ---
[INFO] ****** FindBugsMojo execute *******
[INFO] canGenerate is false
[INFO] 
[INFO] <<< findbugs-maven-plugin:2.3.2:check (default-cli) @ hedwig-server-compat400 <<<
[INFO] 
[INFO] --- findbugs-maven-plugin:2.3.2:check (default-cli) @ hedwig-server-compat400 ---
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building hedwig-server-compat410 4.1.0
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-remote-resources-plugin:1.1:process (default) @ hedwig-server-compat410 ---
[INFO] 
[INFO] --- maven-resources-plugin:2.4.3:resources (default-resources) @ hedwig-server-compat410 ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory <https://builds.apache.org/job/bookkeeper-trunk/ws/trunk/compat-deps/hedwig-server-compat-4.1.0/src/main/resources>
[INFO] Copying 3 resources
[INFO] 
[INFO] --- maven-compiler-plugin:2.3.2:compile (default-compile) @ hedwig-server-compat410 ---
[INFO] No sources to compile
[INFO] 
[INFO] >>> findbugs-maven-plugin:2.3.2:check (default-cli) @ hedwig-server-compat410 >>>
[INFO] 
[INFO] --- findbugs-maven-plugin:2.3.2:findbugs (findbugs) @ hedwig-server-compat410 ---
[INFO] ****** FindBugsMojo execute *******
[INFO] canGenerate is false
[INFO] 
[INFO] <<< findbugs-maven-plugin:2.3.2:check (default-cli) @ hedwig-server-compat410 <<<
[INFO] 
[INFO] --- findbugs-maven-plugin:2.3.2:check (default-cli) @ hedwig-server-compat410 ---
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building hedwig-protocol 4.2.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-remote-resources-plugin:1.1:process (default) @ hedwig-protocol ---
[INFO] 
[INFO] --- maven-resources-plugin:2.4.3:resources (default-resources) @ hedwig-protocol ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 1 resource
[INFO] Copying 3 resources
[INFO] 
[INFO] --- maven-compiler-plugin:2.3.2:compile (default-compile) @ hedwig-protocol ---
[INFO] Nothing to compile - all classes are up to date
[INFO] 
[INFO] >>> findbugs-maven-plugin:2.3.2:check (default-cli) @ hedwig-protocol >>>
[INFO] 
[INFO] --- findbugs-maven-plugin:2.3.2:findbugs (findbugs) @ hedwig-protocol ---
[INFO] ****** FindBugsMojo execute *******
[INFO] canGenerate is true
[INFO] ****** FindBugsMojo executeFindbugs *******
[INFO] Temp File is <https://builds.apache.org/job/bookkeeper-trunk/ws/trunk/hedwig-protocol/target/findbugsTemp.xml>
[INFO] Fork Value is true
[INFO] xmlOutput is false
[INFO] 
[INFO] <<< findbugs-maven-plugin:2.3.2:check (default-cli) @ hedwig-protocol <<<
[INFO] 
[INFO] --- findbugs-maven-plugin:2.3.2:check (default-cli) @ hedwig-protocol ---
[INFO] BugInstance size is 0
[INFO] Error size is 0
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building bookkeeper-server 4.2.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-remote-resources-plugin:1.1:process (default) @ bookkeeper-server ---
[INFO] 
[INFO] --- maven-resources-plugin:2.4.3:resources (default-resources) @ bookkeeper-server ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 3 resources
[INFO] Copying 3 resources
[INFO] 
[INFO] --- maven-compiler-plugin:2.3.2:compile (default-compile) @ bookkeeper-server ---
[INFO] Nothing to compile - all classes are up to date
[INFO] 
[INFO] >>> findbugs-maven-plugin:2.3.2:check (default-cli) @ bookkeeper-server >>>
[INFO] 
[INFO] --- findbugs-maven-plugin:2.3.2:findbugs (findbugs) @ bookkeeper-server ---
[INFO] ****** FindBugsMojo execute *******
[INFO] canGenerate is true
[INFO] ****** FindBugsMojo executeFindbugs *******
[INFO] Temp File is <https://builds.apache.org/job/bookkeeper-trunk/ws/trunk/bookkeeper-server/target/findbugsTemp.xml>
[INFO] Fork Value is true
[INFO] xmlOutput is false
[INFO] 
[INFO] <<< findbugs-maven-plugin:2.3.2:check (default-cli) @ bookkeeper-server <<<
[INFO] 
[INFO] --- findbugs-maven-plugin:2.3.2:check (default-cli) @ bookkeeper-server ---
[INFO] BugInstance size is 0
[INFO] Error size is 0
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building hedwig-client 4.2.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-remote-resources-plugin:1.1:process (default) @ hedwig-client ---
[INFO] 
[INFO] --- maven-resources-plugin:2.4.3:resources (default-resources) @ hedwig-client ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 0 resource
[INFO] Copying 3 resources
[INFO] 
[INFO] --- maven-compiler-plugin:2.3.2:compile (default-compile) @ hedwig-client ---
[INFO] Compiling 70 source files to <https://builds.apache.org/job/bookkeeper-trunk/ws/trunk/hedwig-client/target/classes>
[INFO] 
[INFO] >>> findbugs-maven-plugin:2.3.2:check (default-cli) @ hedwig-client >>>
[INFO] 
[INFO] --- findbugs-maven-plugin:2.3.2:findbugs (findbugs) @ hedwig-client ---
[INFO] ****** FindBugsMojo execute *******
[INFO] canGenerate is true
[INFO] ****** FindBugsMojo executeFindbugs *******
[INFO] Temp File is <https://builds.apache.org/job/bookkeeper-trunk/ws/trunk/hedwig-client/target/findbugsTemp.xml>
[INFO] Fork Value is true
[INFO] xmlOutput is false
[INFO] 
[INFO] <<< findbugs-maven-plugin:2.3.2:check (default-cli) @ hedwig-client <<<
[INFO] 
[INFO] --- findbugs-maven-plugin:2.3.2:check (default-cli) @ hedwig-client ---
[INFO] BugInstance size is 0
[INFO] Error size is 0
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building hedwig-server 4.2.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
Downloading: http://repository.apache.org/snapshots/org/apache/bookkeeper/bookkeeper-server/4.2.0-SNAPSHOT/maven-metadata.xml
1000 B   
         
Downloaded: http://repository.apache.org/snapshots/org/apache/bookkeeper/bookkeeper-server/4.2.0-SNAPSHOT/maven-metadata.xml (1000 B at 2.3 KB/sec)
[INFO] 
[INFO] --- maven-remote-resources-plugin:1.1:process (default) @ hedwig-server ---
[INFO] 
[INFO] --- maven-resources-plugin:2.4.3:resources (default-resources) @ hedwig-server ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 5 resources
[INFO] Copying 3 resources
[INFO] 
[INFO] --- maven-compiler-plugin:2.3.2:compile (default-compile) @ hedwig-server ---
[INFO] Compiling 98 source files to <https://builds.apache.org/job/bookkeeper-trunk/ws/trunk/hedwig-server/target/classes>
[INFO] 
[INFO] >>> findbugs-maven-plugin:2.3.2:check (default-cli) @ hedwig-server >>>
[INFO] 
[INFO] --- findbugs-maven-plugin:2.3.2:findbugs (findbugs) @ hedwig-server ---
[INFO] ****** FindBugsMojo execute *******
[INFO] canGenerate is true
[INFO] ****** FindBugsMojo executeFindbugs *******
[INFO] Temp File is <https://builds.apache.org/job/bookkeeper-trunk/ws/trunk/hedwig-server/target/findbugsTemp.xml>
[INFO] Fork Value is true
[INFO] xmlOutput is false
[INFO] 
[INFO] <<< findbugs-maven-plugin:2.3.2:check (default-cli) @ hedwig-server <<<
[INFO] 
[INFO] --- findbugs-maven-plugin:2.3.2:check (default-cli) @ hedwig-server ---
[INFO] BugInstance size is 0
[INFO] Error size is 0
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building bookkeeper-benchmark 4.2.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-remote-resources-plugin:1.1:process (default) @ bookkeeper-benchmark ---
[INFO] 
[INFO] --- maven-resources-plugin:2.4.3:resources (default-resources) @ bookkeeper-benchmark ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory <https://builds.apache.org/job/bookkeeper-trunk/ws/trunk/bookkeeper-benchmark/src/main/resources>
[INFO] Copying 3 resources
[INFO] 
[INFO] --- maven-compiler-plugin:2.3.2:compile (default-compile) @ bookkeeper-benchmark ---
[INFO] Compiling 5 source files to <https://builds.apache.org/job/bookkeeper-trunk/ws/trunk/bookkeeper-benchmark/target/classes>
[INFO] 
[INFO] >>> findbugs-maven-plugin:2.3.2:check (default-cli) @ bookkeeper-benchmark >>>
[INFO] 
[INFO] --- findbugs-maven-plugin:2.3.2:findbugs (findbugs) @ bookkeeper-benchmark ---
[INFO] ****** FindBugsMojo execute *******
[INFO] canGenerate is true
[INFO] ****** FindBugsMojo executeFindbugs *******
[INFO] Temp File is <https://builds.apache.org/job/bookkeeper-trunk/ws/trunk/bookkeeper-benchmark/target/findbugsTemp.xml>
[INFO] Fork Value is true
[INFO] xmlOutput is false
[INFO] 
[INFO] <<< findbugs-maven-plugin:2.3.2:check (default-cli) @ bookkeeper-benchmark <<<
[INFO] 
[INFO] --- findbugs-maven-plugin:2.3.2:check (default-cli) @ bookkeeper-benchmark ---
[INFO] BugInstance size is 0
[INFO] Error size is 0
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO] 
[INFO] bookkeeper ........................................ SUCCESS [5.417s]
[INFO] compability dependencies .......................... SUCCESS [0.087s]
[INFO] bookkeeper-server-compat400 ....................... SUCCESS [1.728s]
[INFO] bookkeeper-server-compat410 ....................... SUCCESS [0.280s]
[INFO] hedwig-server-compat400 ........................... SUCCESS [0.303s]
[INFO] hedwig-server-compat410 ........................... SUCCESS [0.344s]
[INFO] hedwig-protocol ................................... SUCCESS [21.793s]
[INFO] bookkeeper-server ................................. SUCCESS [25.720s]
[INFO] hedwig-client ..................................... SUCCESS [16.346s]
[INFO] hedwig-server ..................................... SUCCESS [30.060s]
[INFO] bookkeeper-benchmark .............................. SUCCESS [13.795s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1:56.901s
[INFO] Finished at: Sun Nov 04 12:36:59 UTC 2012
[INFO] Final Memory: 31M/97M
[INFO] ------------------------------------------------------------------------

Build failed in Jenkins: bookkeeper-trunk #786

Posted by Apache Jenkins Server <je...@builds.apache.org>.
See <https://builds.apache.org/job/bookkeeper-trunk/786/>

------------------------------------------
Started by an SCM change
Building remotely on ubuntu4 in workspace <https://builds.apache.org/job/bookkeeper-trunk/ws/>
hudson.util.IOException2: remote file operation failed: <https://builds.apache.org/job/bookkeeper-trunk/ws/> at hudson.remoting.Channel@26227d3c:ubuntu4
	at hudson.FilePath.act(FilePath.java:838)
	at hudson.FilePath.act(FilePath.java:824)
	at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:743)
	at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:685)
	at hudson.model.AbstractProject.checkout(AbstractProject.java:1256)
	at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:589)
	at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:88)
	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:494)
	at hudson.model.Run.execute(Run.java:1502)
	at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:477)
	at hudson.model.ResourceController.execute(ResourceController.java:88)
	at hudson.model.Executor.run(Executor.java:236)
Caused by: java.io.IOException: Remote call on ubuntu4 failed
	at hudson.remoting.Channel.call(Channel.java:673)
	at hudson.FilePath.act(FilePath.java:831)
	... 11 more
Caused by: java.lang.LinkageError: loader (instance of  hudson/remoting/RemoteClassLoader): attempted  duplicate class definition for name: "hudson/model/Descriptor"
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:634)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:480)
	at hudson.remoting.RemoteClassLoader.loadClassFile(RemoteClassLoader.java:152)
	at hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:131)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
	at java.lang.Class.getDeclaredFields0(Native Method)
	at java.lang.Class.privateGetDeclaredFields(Class.java:2308)
	at java.lang.Class.getDeclaredField(Class.java:1897)
	at java.io.ObjectStreamClass.getDeclaredSUID(ObjectStreamClass.java:1624)
	at java.io.ObjectStreamClass.access$700(ObjectStreamClass.java:69)
	at java.io.ObjectStreamClass$2.run(ObjectStreamClass.java:442)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.io.ObjectStreamClass.<init>(ObjectStreamClass.java:430)
	at java.io.ObjectStreamClass.lookup(ObjectStreamClass.java:327)
	at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:564)
	at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1600)
	at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1513)
	at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1600)
	at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1513)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1749)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1346)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1963)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1887)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1770)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1346)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1963)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1887)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1770)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1346)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1963)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1887)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1770)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1346)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:368)
	at hudson.remoting.UserRequest.deserialize(UserRequest.java:182)
	at hudson.remoting.UserRequest.perform(UserRequest.java:98)
	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$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:679)
Retrying after 10 seconds
hudson.util.IOException2: remote file operation failed: <https://builds.apache.org/job/bookkeeper-trunk/ws/> at hudson.remoting.Channel@26227d3c:ubuntu4
	at hudson.FilePath.act(FilePath.java:838)
	at hudson.FilePath.act(FilePath.java:824)
	at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:743)
	at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:685)
	at hudson.model.AbstractProject.checkout(AbstractProject.java:1256)
	at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:589)
	at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:88)
	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:494)
	at hudson.model.Run.execute(Run.java:1502)
	at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:477)
	at hudson.model.ResourceController.execute(ResourceController.java:88)
	at hudson.model.Executor.run(Executor.java:236)
Caused by: java.io.IOException: Remote call on ubuntu4 failed
	at hudson.remoting.Channel.call(Channel.java:673)
	at hudson.FilePath.act(FilePath.java:831)
	... 11 more
Caused by: java.lang.LinkageError: loader (instance of  hudson/remoting/RemoteClassLoader): attempted  duplicate class definition for name: "hudson/model/Descriptor"
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:634)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:480)
	at hudson.remoting.RemoteClassLoader.loadClassFile(RemoteClassLoader.java:152)
	at hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:131)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
	at java.lang.Class.getDeclaredFields0(Native Method)
	at java.lang.Class.privateGetDeclaredFields(Class.java:2308)
	at java.lang.Class.getDeclaredField(Class.java:1897)
	at java.io.ObjectStreamClass.getDeclaredSUID(ObjectStreamClass.java:1624)
	at java.io.ObjectStreamClass.access$700(ObjectStreamClass.java:69)
	at java.io.ObjectStreamClass$2.run(ObjectStreamClass.java:442)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.io.ObjectStreamClass.<init>(ObjectStreamClass.java:430)
	at java.io.ObjectStreamClass.lookup(ObjectStreamClass.java:327)
	at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:564)
	at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1600)
	at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1513)
	at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1600)
	at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1513)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1749)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1346)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1963)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1887)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1770)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1346)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1963)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1887)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1770)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1346)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1963)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1887)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1770)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1346)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:368)
	at hudson.remoting.UserRequest.deserialize(UserRequest.java:182)
	at hudson.remoting.UserRequest.perform(UserRequest.java:98)
	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$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:679)
Retrying after 10 seconds
hudson.util.IOException2: remote file operation failed: <https://builds.apache.org/job/bookkeeper-trunk/ws/> at hudson.remoting.Channel@26227d3c:ubuntu4
	at hudson.FilePath.act(FilePath.java:838)
	at hudson.FilePath.act(FilePath.java:824)
	at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:743)
	at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:685)
	at hudson.model.AbstractProject.checkout(AbstractProject.java:1256)
	at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:589)
	at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:88)
	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:494)
	at hudson.model.Run.execute(Run.java:1502)
	at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:477)
	at hudson.model.ResourceController.execute(ResourceController.java:88)
	at hudson.model.Executor.run(Executor.java:236)
Caused by: java.io.IOException: Remote call on ubuntu4 failed
	at hudson.remoting.Channel.call(Channel.java:673)
	at hudson.FilePath.act(FilePath.java:831)
	... 11 more
Caused by: java.lang.LinkageError: loader (instance of  hudson/remoting/RemoteClassLoader): attempted  duplicate class definition for name: "hudson/model/Descriptor"
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:634)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:480)
	at hudson.remoting.RemoteClassLoader.loadClassFile(RemoteClassLoader.java:152)
	at hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:131)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
	at java.lang.Class.getDeclaredFields0(Native Method)
	at java.lang.Class.privateGetDeclaredFields(Class.java:2308)
	at java.lang.Class.getDeclaredField(Class.java:1897)
	at java.io.ObjectStreamClass.getDeclaredSUID(ObjectStreamClass.java:1624)
	at java.io.ObjectStreamClass.access$700(ObjectStreamClass.java:69)
	at java.io.ObjectStreamClass$2.run(ObjectStreamClass.java:442)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.io.ObjectStreamClass.<init>(ObjectStreamClass.java:430)
	at java.io.ObjectStreamClass.lookup(ObjectStreamClass.java:327)
	at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:564)
	at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1600)
	at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1513)
	at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1600)
	at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1513)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1749)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1346)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1963)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1887)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1770)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1346)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1963)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1887)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1770)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1346)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1963)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1887)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1770)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1346)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:368)
	at hudson.remoting.UserRequest.deserialize(UserRequest.java:182)
	at hudson.remoting.UserRequest.perform(UserRequest.java:98)
	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:679)