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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 7211] - java.lang.LinkageError: violates loader constraints when using JAXP/crimson in a java-task
Date Wed, 20 Mar 2002 12:33:52 GMT
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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=7211

java.lang.LinkageError: violates loader constraints when using JAXP/crimson in a java-task

conor@cortexebusiness.com.au changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |WONTFIX
            Summary|java.lang.LinkageError:     |java.lang.LinkageError:
                   |violates loader constraints |violates loader constraints
                   |when using JAXP/crimson in a|when using JAXP/crimson in a
                   |java-task                   |java-task



------- Additional Comments From conor@cortexebusiness.com.au  2002-03-20 12:33 -------
The problem here is that your crimson classes (presumably in your classpath) are
conflicting with those provided by Ant. Two copies of the same class are being
loaded and since both are being referenced by the Ant core, you get a linkage
error. 

This is one of the main uses for the fork="yes" attribute. With the current
architecture it is not possible to hide Ant's XML parser from your task. If you
were to remove crimson.jar and jaxp.jar from jlibs.codegen, it may work but
forking is the safer approach.

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