token cache pinning session attribute map
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                 Key: TRINIDAD-2152
                 URL: https://issues.apache.org/jira/browse/TRINIDAD-2152
             Project: MyFaces Trinidad
          Issue Type: Bug
          Components: Components
    Affects Versions: 2.0.2-core
            Reporter: Gary VanMatre


Stevan Malesevic found that the token cache is pinning the session map. 

com.sun.faces.context.ExternalContextImpl will create a instance of 
com.sun.faces.context.SessionMap on every request. SessionMap points to 
Request object. However this is per request so it is not carried over between 
requests.  Now, the reason why we always have request object pined between 
requests is Trinidad code TokenCache which pins the owner (SessionMap) which 
would otherwise be gc-ed.  From what I can see 
Trinidad code can be changed to always get extContext.getSessionMap() instead 
pinning it permanently. This will make sure we are not pinning Request object 
and all its attributes in between requests. 

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