We disconnect and reconnect (but do not restart the physical machine) and that usually solves it.
Denis On 05/02/2012 10:41 AM, Winston Prakash wrote: > When I look at the log file, it seems some how the remote class loader > has attempted to load duplicate classes. How does the affected slave > restarted, is it in the following sequence? > > - Disconnect the slave from the master > - Physically restart the machine > - Reconnect the slave from the master > > - Winston > > On 5/2/12 6:46 AM, Denis Roy wrote: >> FATAL: cannot assign instance of hudson.EnvVars >> >> That error is an indication that we either need to restart the >> affected slave, or the master, or both. I believe Matt has restarted >> slave6; please try again. >> >> Thanks >> >> On 05/02/2012 06:20 AM, Henrik Rentz-Reichert wrote: >>> Hi all, >>> >>> is this exception special for slave2? >>> >>> I haven't changed our build config for quite a while. We also had >>> successful builds since we switched to Gerrit recently. >>> >>> Can anybody help? >>> >>> Thanks, >>> Henrik >>> >>> -------- Original-Nachricht -------- >>> Betreff: Build failed in Hudson: mdt-etrice-nightly #259 >>> Datum: Wed, 2 May 2012 06:11:13 -0400 (EDT) >>> Von: [email protected] >>> An: [email protected] >>> >>> >>> >>> See <https://hudson.eclipse.org/hudson/job/mdt-etrice-nightly/259/> >>> >>> ------------------------------------------ >>> Started by an SCM change >>> Building remotely on hudson-slave2 >>> Checkout:mdt-etrice-nightly / >>> <https://hudson.eclipse.org/hudson/job/mdt-etrice-nightly/ws/> - >>> hudson.remoting.Channel@2d344d4d:hudson-slave2 >>> Using strategy: Default >>> Last Built Revision: Revision 1b0c3ef0efd3aff268c480d58a90350a142f3d34 >>> (origin/master) >>> FATAL: cannot assign instance of hudson.EnvVars to field >>> hudson.plugins.git.GitSCM$3.val$environment of type hudson.EnvVars in >>> instance of hudson.plugins.git.GitSCM$3 >>> java.lang.ClassCastException: cannot assign instance of hudson.EnvVars to >>> field hudson.plugins.git.GitSCM$3.val$environment of type hudson.EnvVars in >>> instance of hudson.plugins.git.GitSCM$3 >>> at >>> java.io.ObjectStreamClass$FieldReflector.setObjFieldValues(ObjectStreamClass.java:2039) >>> at >>> java.io.ObjectStreamClass.setObjFieldValues(ObjectStreamClass.java:1212) >>> at >>> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1952) >>> 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.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:178) >>> at hudson.remoting.UserRequest.perform(UserRequest.java:98) >>> at hudson.remoting.UserRequest.perform(UserRequest.java:48) >>> at hudson.remoting.Request$2.run(Request.java:283) >>> at >>> java.util.concurrent.Executors$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:662) >>> >>> >>>
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