builds on ci.jenkins-ci.org

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domi

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May 8, 2011, 10:54:04 AM5/8/11
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Hi,

I noticed that many plugin jobs running at http://ci.jenkins-ci.org fail with the exact same error:

FATAL: cannot assign instance of hudson.EnvVars to field hudson.plugins.git.GitSCM$2.val$environment of type hudson.EnvVars in instance of hudson.plugins.git.GitSCM$2
java.lang.ClassCastException: cannot assign instance of hudson.EnvVars to field hudson.plugins.git.GitSCM$2.val$environment of type hudson.EnvVars in instance of hudson.plugins.git.GitSCM$2
	at java.io.ObjectStreamClass$FieldReflector.setObjFieldValues(ObjectStreamClass.java:2056)
	at java.io.ObjectStreamClass.setObjFieldValues(ObjectStreamClass.java:1229)

Also interesting to note: the log says that all these builds got "Started by an SCM change" but locking at the change set, its not true for any of these...

Here some jobs I found to have the same issue:


regards Domi

Olivier Lamy

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May 9, 2011, 3:33:37 AM5/9/11
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Hello,
Looks to be same as : https://issues.jenkins-ci.org/browse/JENKINS-9017

?

2011/5/8 domi <do...@fortysix.ch>:

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Olivier Lamy
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Nord, James

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May 9, 2011, 4:39:08 AM5/9/11
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Not the same in any way as that below but there is also https://issues.jenkins-ci.org/browse/JENKINS-9566 so it would appear the build that it's running isn't a very good one.

/James

?


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Kohsuke Kawaguchi

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May 10, 2011, 7:52:09 PM5/10/11
to jenkin...@googlegroups.com, Olivier Lamy

Looking at the build history, this seems like a problem just on this slave:

http://ci.jenkins-ci.org/computer/remote-slave-2/builds


I wonder somehow this slave is falling behind in the slave.jar version,
although I'm not entirely sure how this happens.


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Kohsuke Kawaguchi | CloudBees, Inc. | http://cloudbees.com/

Kohsuke Kawaguchi

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May 10, 2011, 8:11:21 PM5/10/11
to jenkin...@googlegroups.com, Olivier Lamy

Looks like it's related to incorrect reference counting on exported
classloader, causing duplicate classes (but on different classloaders)
to be loaded, resulting in this kind of weird ClassCastException.

Still digging further why this happens...

Kohsuke Kawaguchi

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May 10, 2011, 9:38:47 PM5/10/11
to jenkin...@googlegroups.com, Olivier Lamy

This is indeed the same issue as
https://issues.jenkins-ci.org/browse/JENKINS-9017, and I'm happy to
report that I think I've fixed this problem toward 1.413.

Andrew Bayer

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May 10, 2011, 9:44:47 PM5/10/11
to jenkin...@googlegroups.com, Olivier Lamy
Hooray for dogfooding! =)

A.

Olivier Lamy

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May 11, 2011, 9:12:11 AM5/11/11
to Kohsuke Kawaguchi, jenkin...@googlegroups.com
Great and Thanks !!!!

2011/5/11 Kohsuke Kawaguchi <kkawa...@cloudbees.com>:

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domi

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May 11, 2011, 1:14:23 PM5/11/11
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cool thanks!
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