Hi,
Migrating from OC4J to Weblogic we've noticed the following behavior, whenever
shutting down the weblogic container:
Exception in thread "Thread-24" java.lang.NoClassDefFoundError:
org/apache/jcs/auxiliary/disk/indexed/IndexedDiskCache$1
at
org.apache.jcs.auxiliary.disk.indexed.IndexedDiskCache.processDispose(IndexedDiskCache.java:1054)
at
org.apache.jcs.auxiliary.AbstractAuxiliaryCacheEventLogging.disposeWithEventLogging(AbstractAuxiliaryCacheEventLogging.java:315)
at
org.apache.jcs.auxiliary.disk.AbstractDiskCache.doDispose(AbstractDiskCache.java:867)
at
org.apache.jcs.auxiliary.disk.AbstractDiskCache.dispose(AbstractDiskCache.java:508)
at
org.apache.jcs.engine.control.CompositeCache.dispose(CompositeCache.java:1368)
at
org.apache.jcs.engine.control.CompositeCacheManager.freeCache(CompositeCacheManager.java:482)
at
org.apache.jcs.engine.control.CompositeCacheManager.freeCache(CompositeCacheManager.java:469)
at
org.apache.jcs.engine.control.CompositeCacheManager.shutDown(CompositeCacheManager.java:513)
at
org.apache.jcs.engine.control.CompositeCacheManager$ShutdownHook.run(CompositeCacheManager.java:743)
Caused by: java.lang.ClassNotFoundException:
org.apache.jcs.auxiliary.disk.indexed.IndexedDiskCache$1
at
weblogic.utils.classloaders.GenericClassLoader.findLocalClass(GenericClassLoader.java:296)
at
weblogic.utils.classloaders.GenericClassLoader.findClass(GenericClassLoader.java:269)
at
weblogic.utils.classloaders.ChangeAwareClassLoader.findClass(ChangeAwareClassLoader.java:56)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
at
weblogic.utils.classloaders.GenericClassLoader.loadClass(GenericClassLoader.java:177)
at
weblogic.utils.classloaders.ChangeAwareClassLoader.loadClass(ChangeAwareClassLoader.java:37)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
... 9 more
We've already tried to use
<prefer-web-inf-classes>true</prefer-web-inf-classes> setting of Weblogic, but
that did not have the desired effect.
Introducing the org.apache.jcs.utils.servlet.JCSServletContextListener made
things a bit better, in that a shutdown done from within
the admin console gracefully terminated JCS - i.e. the Shutdownhook thread
didn't run. However this doesn't help us for situations where
weblogic gets killed and/or Ctrl-C'ed.
What are other things we could do/investigate?
Thx,
-J.
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