These slaves were using java 1.5. So I upgraded them all to 1.6. But
slaves cannot start using the same old method (launch slave agents on Unix
machines using ssh) as before the upgrade. I tried to debug by switching
to launch slave vis execution of command on Master. ssh <slave-machine>
scp <master>:/jenkins/data/plugins/maven-plugin/WEB-INF/lib/maven-agent-1.3.jar
/jenkins_home/maven-agent.jar worked fine but ssh <slave-machine> cd
/jenkins/home && java -jar slave.jar failed. There is no permission
problem. Why did the copy fail? (My other slaves e.g. linux, linux ia64,
freebsd etc that have been using java 1.6 all came up without any problems.)
...
[07/01/13 16:14:52] [SSH] Checking java version of java
[07/01/13 16:14:52] [SSH] java -version returned 1.6.0_27.
[07/01/13 16:14:52] [SSH] Starting sftp client.
[07/01/13 16:14:52] [SSH] Copying latest slave.jar...
[07/01/13 16:14:52] [SSH] Copied 326,006 bytes.
Expanded the channel window size to 4MB
[07/01/13 16:14:52] [SSH] Starting slave process: cd '/jenkins_home' && java
-jar slave.jar
<===[JENKINS REMOTING CAPACITY]===>channel started
Slave.jar version: 2.24
This is a Unix slave
hudson.util.IOException2: Failed to copy
/jenkins/data/plugins/maven-plugin/WEB-INF/lib/maven-agent-1.3.jar to
/jenkins_home/maven-agent.jar
at hudson.FilePath.copyTo(FilePath.java:1731)
at
hudson.maven.MavenComputerListener.copyJar(MavenComputerListener.java:90)
at
hudson.maven.MavenComputerListener.preOnline(MavenComputerListener.java:57)
at hudson.slaves.SlaveComputer.setChannel(SlaveComputer.java:473)
at hudson.slaves.SlaveComputer.setChannel(SlaveComputer.java:347)
at hudson.plugins.sshslaves.SSHLauncher.startSlave(SSHLauncher.java:712)
at hudson.plugins.sshslaves.SSHLauncher.launch(SSHLauncher.java:498)
at hudson.slaves.SlaveComputer$1.call(SlaveComputer.java:230)
at java.util.concurrent.FutureTask$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)
Caused by: java.io.IOException: Remote call on b-solarisx86-02 failed
at hudson.remoting.Channel.call(Channel.java:731)
at hudson.FilePath.write(FilePath.java:1625)
at hudson.FilePath.copyTo(FilePath.java:1724)
... 12 more
Caused by: java.lang.NoClassDefFoundError:
org/apache/commons/io/input/ProxyInputStream
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
at java.lang.ClassLoader.defineClass(ClassLoader.java:465)
at
hudson.remoting.RemoteClassLoader.loadClassFile(RemoteClassLoader.java:289)
at
hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:229)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at java.lang.Class.getDeclaredFields0(Native Method)
at java.lang.Class.privateGetDeclaredFields(Class.java:2291)
at java.lang.Class.getDeclaredField(Class.java:1880)
at
java.io.ObjectStreamClass.getDeclaredSUID(ObjectStreamClass.java:1610)
at java.io.ObjectStreamClass.access$700(ObjectStreamClass.java:52)
at java.io.ObjectStreamClass$2.run(ObjectStreamClass.java:425)
at java.security.AccessController.doPrivileged(Native Method)
at java.io.ObjectStreamClass.<init>(ObjectStreamClass.java:413)
at java.io.ObjectStreamClass.lookup(ObjectStreamClass.java:310)
at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:547)
at
java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1582)
at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1495)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1731)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
at
java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1946)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1870)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1752)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
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)
... 5 more
Caused by: java.lang.ClassNotFoundException:
org.apache.commons.io.input.ProxyInputStream
at
hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:237)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
... 37 more
Caused by: java.util.concurrent.ExecutionException: java.util.zip.ZipException:
error in opening zip file
at
hudson.remoting.ResourceImageInJar$1.adapt(ResourceImageInJar.java:48)
at
hudson.remoting.ResourceImageInJar$1.adapt(ResourceImageInJar.java:42)
at hudson.remoting.FutureAdapter.get(FutureAdapter.java:55)
at
hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:229)
... 39 more
Caused by: java.util.zip.ZipException: error in opening zip file
at java.util.zip.ZipFile.open(Native Method)
at java.util.zip.ZipFile.<init>(ZipFile.java:127)
at java.util.jar.JarFile.<init>(JarFile.java:135)
at java.util.jar.JarFile.<init>(JarFile.java:72)
at sun.net.www.protocol.jar.URLJarFile.<init>(URLJarFile.java:72)
at sun.net.www.protocol.jar.URLJarFile.getJarFile(URLJarFile.java:48)
at sun.net.www.protocol.jar.JarFileFactory.get(JarFileFactory.java:55)
at
sun.net.www.protocol.jar.JarURLConnection.connect(JarURLConnection.java:104)
at
sun.net.www.protocol.jar.JarURLConnection.getInputStream(JarURLConnection.java:132)
at java.net.URL.openStream(URL.java:1010)
at
hudson.remoting.ResourceImageInJar$1.adapt(ResourceImageInJar.java:46)
... 42 more
[07/01/13 16:14:54] [SSH] Connection closed.
ERROR: Connection terminatedjava.io.IOException
<http://stacktrace.jenkins-ci.org/search?query=java.io.IOException>: Unexpected
termination of the channel
at
hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:50)
<http://stacktrace.jenkins-ci.org/search/?query=hudson.remoting.SynchronousCommandTransport$ReaderThread.run&entity=method>
Caused by: java.io.EOFException
<http://stacktrace.jenkins-ci.org/search?query=java.io.EOFException> at
java.io.ObjectInputStream$BlockDataInputStream.peekByte(ObjectInputStream.java:2553)
<http://stacktrace.jenkins-ci.org/search/?query=java.io.ObjectInputStream$BlockDataInputStream.peekByte&entity=method>
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1296)
<http://stacktrace.jenkins-ci.org/search/?query=java.io.ObjectInputStream.readObject0&entity=method>
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
<http://stacktrace.jenkins-ci.org/search/?query=java.io.ObjectInputStream.readObject&entity=method>
at hudson.remoting.Command.readFrom(Command.java:92)
<http://stacktrace.jenkins-ci.org/search/?query=hudson.remoting.Command.readFrom&entity=method>
at
hudson.remoting.ClassicCommandTransport.read(ClassicCommandTransport.java:59)
<http://stacktrace.jenkins-ci.org/search/?query=hudson.remoting.ClassicCommandTransport.read&entity=method>
at
hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:48)
<http://stacktrace.jenkins-ci.org/search/?query=hudson.remoting.SynchronousCommandTransport$ReaderThread.run&entity=method>
ERROR: [07/01/13 16:14:54] slave agent was terminatedjava.io.IOException
<http://stacktrace.jenkins-ci.org/search?query=java.io.IOException>: Unexpected
termination of the channel
at
hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:50)
<http://stacktrace.jenkins-ci.org/search/?query=hudson.remoting.SynchronousCommandTransport$ReaderThread.run&entity=method>
Caused by: java.io.EOFException
<http://stacktrace.jenkins-ci.org/search?query=java.io.EOFException> at
java.io.ObjectInputStream$BlockDataInputStream.peekByte(ObjectInputStream.java:2553)
<http://stacktrace.jenkins-ci.org/search/?query=java.io.ObjectInputStream$BlockDataInputStream.peekByte&entity=method>
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1296)
<http://stacktrace.jenkins-ci.org/search/?query=java.io.ObjectInputStream.readObject0&entity=method>
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
<http://stacktrace.jenkins-ci.org/search/?query=java.io.ObjectInputStream.readObject&entity=method>
at hudson.remoting.Command.readFrom(Command.java:92)
<http://stacktrace.jenkins-ci.org/search/?query=hudson.remoting.Command.readFrom&entity=method>
at
hudson.remoting.ClassicCommandTransport.read(ClassicCommandTransport.java:59)
<http://stacktrace.jenkins-ci.org/search/?query=hudson.remoting.ClassicCommandTransport.read&entity=method>
at
hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:48)
<http://stacktrace.jenkins-ci.org/search/?query=hudson.remoting.SynchronousCommandTransport$ReaderThread.run&entity=method>
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