[jboss-jira] [JBoss JIRA] Created: (JBAS-7183) RepositoryClassLoader tries to call ClassNotFoundException.initCause

Tue Aug 18 07:51:26 EDT 2009

RepositoryClassLoader tries to call ClassNotFoundException.initCause
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                 Key: JBAS-7183
                 URL: https://jira.jboss.org/jira/browse/JBAS-7183
             Project: JBoss Application Server
          Issue Type: Bug
      Security Level: Public (Everyone can see)
    Affects Versions: JBossAS-4.2.3.GA
         Environment: OpenJDK Runtime Environment (IcedTea6 1.4.1) (6b14-1.4.1-0ubuntu11), OpenJDK 64-Bit Server VM (build 14.0-b08, mixed mode)
            Reporter: Markus KilÃ¥s

After redeployment of one of two enterprise applications living on the server I get an "IllegalStateException: Can't overwrite cause" from the RepositoryClassLoader (see attached stacktrace) when a web module is being initialized.  After some investigation I suspect the reason for an error could be that both applications shares some utility class and therefore both the enterprise applications has to be undeployed.

This however should not cause an illegal state exception. Looking in the source of RepositoryClassLoader indicates that the intended error message should be "Invalid use of destroyed classloader  UCL destroyed" but the code tries to call Throwable.initCause() on an java.lang.ClassNotFoundException which is not allowed causing an IllegalStateException.

A simple fix would be to use the constructor that takes a cause instead of explicitly call initCause() (see attached patch (untested)).

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