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From "David Blevins (JIRA)" <>
Subject [jira] Created: (AXIS-2232) Mappings in TypeDesc can't be GC'ed
Date Sat, 24 Sep 2005 23:51:28 GMT
Mappings in TypeDesc can't be GC'ed

         Key: AXIS-2232
     Project: Apache Axis
        Type: Improvement
  Components: Deployment / Registries  
    Versions: current (nightly)    
    Reporter: David Blevins

The TypeDesc class holds a static Hashtable of class -> TypeDesc mappings.  This is fine
if Axis is loaded into the only the same classloader as the app itself (like when it's embedded
in a webapp), but if axis is loaded into the parent classloader of all webapps, the hashtable
will prevent those children classloaders from being garbage collected as it holds references
to classes in those children classloaders.

This patch 1) creates a Hashtable of class->TypeDesc for *each classloader* and 2) stores
those hashtables in a WeakHashMap so they can be garbage collected when the child classloaders
are garbage collected.

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