hudson.util.IOException2: Failed to join the process
	at hudson.Proc$RemoteProc.join(Proc.java:298)
	at hudson.Launcher$ProcStarter.join(Launcher.java:275)
	at hudson.tasks.CommandInterpreter.perform(CommandInterpreter.java:82)
	at hudson.tasks.CommandInterpreter.perform(CommandInterpreter.java:57)
	at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:19)
	at hudson.model.AbstractBuild$AbstractRunner.perform(AbstractBuild.java:501)
	at hudson.model.Build$RunnerImpl.build(Build.java:194)
	at hudson.model.Build$RunnerImpl.doRun(Build.java:133)
	at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:375)
	at hudson.model.Run.run(Run.java:1120)
	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46)
	at hudson.model.ResourceController.execute(ResourceController.java:88)
	at hudson.model.Executor.run(Executor.java:123)
Caused by: java.util.concurrent.ExecutionException:
java.lang.NoClassDefFoundError: hudson/remoting/ProxyOutputStream$Flush
	at hudson.remoting.Channel$1.adapt(Channel.java:582)
	at hudson.remoting.Channel$1.adapt(Channel.java:577)
	at hudson.remoting.FutureAdapter.get(FutureAdapter.java:55)
	at hudson.Proc$RemoteProc.join(Proc.java:290)
	... 12 more
Caused by: java.lang.NoClassDefFoundError: hudson/remoting/ProxyOutputStream$Flush
	at hudson.remoting.RemoteOutputStream.readObject(RemoteOutputStream.java:90)
	at sun.reflect.GeneratedMethodAccessor8.invoke(Unknown Source)
	at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1849)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
	at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1947)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1871)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
	at hudson.remoting.UserRequest.deserialize(UserRequest.java:168)
	at hudson.remoting.UserRequest.perform(UserRequest.java:88)
	at hudson.remoting.UserRequest.perform(UserRequest.java:48)
	at hudson.remoting.Request$2.run(Request.java:244)
	at java.util.concurrent.Executors$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$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.ClassNotFoundException: hudson.remoting.ProxyOutputStream$Flush
	at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
	at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
	... 23 more
Caused by: java.util.zip.ZipException: error reading zip file
	at java.util.zip.ZipFile.read(Native Method)
	at java.util.zip.ZipFile.access$1200(ZipFile.java:29)
	at java.util.zip.ZipFile$ZipFileInputStream.read(ZipFile.java:447)
	at java.util.zip.ZipFile$1.fill(ZipFile.java:230)
	at java.util.zip.InflaterInputStream.read(InflaterInputStream.java:141)
	at java.util.jar.JarVerifier$VerifierStream.read(JarVerifier.java:407)
	at sun.misc.Resource.getBytes(Resource.java:97)
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:256)
	at java.net.URLClassLoader.access$000(URLClassLoader.java:56)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
	... 29 more