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Date: Thu, 27 Sep 2007 18:26:50 -0700 (PDT)
From: "Daniel Lee (JIRA)" <jira@apache.org>
To: dev@openjpa.apache.org
Subject: [jira] Created: (OPENJPA-387) Getting
 "java.lang.ClassNotFoundException" when loading datacache plug-in which is
 a class outside of OpenJPA package.
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Getting "java.lang.ClassNotFoundException" when loading datacache plug-in which is a class outside of OpenJPA package.
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                 Key: OPENJPA-387
                 URL: https://issues.apache.org/jira/browse/OPENJPA-387
             Project: OpenJPA
          Issue Type: Bug
          Components: datacache
    Affects Versions: 1.0.0
            Reporter: Daniel Lee
             Fix For: 1.0.1, 1.1.0


Getting "java.lang.ClassNotFoundException" when loading datacache plug-in which is a class outside of OpenJPA package.

This happens when loading the class as DatCache plug-in but it can potentially happen to any plug-in classes that reside outside of OpenJPA package.  In order to load these classes, the fix is to get the class loader (by calling findDerivedLoader with no interface loader, loader = null) to load it again when the current class loading fails and the target class is not part of OpenJPA package.  The same exception is still thrown if the second attempt fail or the target class is actually part of OpenJPA.

Please see the patch for detail changes.

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