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java.lang.LinkageError: loader constraint violation [message #1583648]

Sun, 25 January 2015 09:02

bunny new

Messages: 3
Registered: January 2015

Junior Member

Hi
I have installed hudson3.2.1.war in weblogic 10.3.6. Everything was fine for than 1 month.
Few days back I tried to enable security in Hudson. I encountered with Internal Server Error.

So, I completely undeploy from weblogic & tried with new deployment but still I am having below error -

MESSAGE : [ServletContext@1571474132[app:hudson module:hudson.war path:/hudson spec-version:2.5]] Servlet failed with Exception
java.lang.LinkageError: loader constraint violation: when resolving field "logger" the class loader (instance of weblogic/utils/classloaders/ChangeAwareClassLoader) of the referring class, org/springframework/web/filter/GenericFilterBean, and the class loader (instance of sun/misc/Launcher$AppClassLoader) for the field's resolved type, enericFilterBean, have different Class objects for that type
at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:101)
..

How to resolve the issue ?

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Re: java.lang.LinkageError: loader constraint violation [message #1584984 is a reply to message #1583648]

Mon, 26 January 2015 03:13

Kaz Nishimura

Messages: 89
Registered: December 2014

Member

As far as I know, redeploying Hudson without a server restart may leave previous undeployed class code on the server. Did you try to restart your application server before redeployment?

Kaz Nishimura

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Re: java.lang.LinkageError: loader constraint violation [message #1585088 is a reply to message #1584984]

Mon, 26 January 2015 04:38

bunny new

Messages: 3
Registered: January 2015

Junior Member

Yes, I had also restarted the Weblogic but issue was still there. However, I able to resolve the issue by deleting .hudson folder having all setup and plugins files.

So, hudson is up now. But I tried to enable the security again and found Internal Error Again.
So again clearing the files from .hudson made it up.

I need to enable the security but everytime hudson is crashing. What could be possible solution for this?

Thanks.

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Re: java.lang.LinkageError: loader constraint violation [message #1612070 is a reply to message #1585088]

Wed, 11 February 2015 20:19

Winston Prakash

Messages: 534
Registered: August 2011
Location: Fremont, CA USA

Senior Member

This looks like issue between Spring libraries loaded by weblogic and that are included in Hudson. Spring libraries are upgraded in 3.2.*

I would highly recommend to run Hudson with its bundled Jetty server. Deploying in high end servers like weblogic does not offer any additional advantage.

Winston Prakash
Eclipse Hudson team

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