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Posted to dev@myfaces.apache.org by "Simon Kitching (JIRA)" <de...@myfaces.apache.org> on 2005/11/03 04:14:55 UTC

[jira] Created: (MYFACES-777) AddResource uses static StringBuffer ADDITIONAL_JAVASCRIPT_TO_BODY_TAG for per-request data

AddResource uses static StringBuffer ADDITIONAL_JAVASCRIPT_TO_BODY_TAG for per-request data
-------------------------------------------------------------------------------------------

         Key: MYFACES-777
         URL: http://issues.apache.org/jira/browse/MYFACES-777
     Project: MyFaces
        Type: Bug
    Reporter: Simon Kitching


The AddResource class has "getInstance" methods that return an instance of the class. However a single instance is shared across all threads servicing the same webapp (ie which have the same contextPath).

A member
    private static StringBuffer ADDITIONAL_JAVASCRIPT_TO_BODY_TAG = null;
Is used to store per-request data by the method:
    addJavaScriptToBodyTag

This is quite unsafe; multiple threads will interfere with the "body tag" text from other requests.

In addition, the all-caps style of variable naming implies that this member was meant to be a constant rather than a variable buffer.
I believe this member should be a private static final String, holding a key which is used to look up a StringBuffer in the current request params,
and that the "body tag" text should be stored in that buffer from the request params rather than stored directly on the AddResource class.

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[jira] Closed: (MYFACES-777) AddResource uses static StringBuffer ADDITIONAL_JAVASCRIPT_TO_BODY_TAG for per-request data

Posted by "Martin Marinschek (JIRA)" <de...@myfaces.apache.org>.
     [ http://issues.apache.org/jira/browse/MYFACES-777?page=all ]
     
Martin Marinschek closed MYFACES-777:
-------------------------------------

    Fix Version: Nightly
     Resolution: Fixed
      Assign To: Martin Marinschek

Has already been fixed yesterday.

regards,

Martin

> AddResource uses static StringBuffer ADDITIONAL_JAVASCRIPT_TO_BODY_TAG for per-request data
> -------------------------------------------------------------------------------------------
>
>          Key: MYFACES-777
>          URL: http://issues.apache.org/jira/browse/MYFACES-777
>      Project: MyFaces
>         Type: Bug
>     Reporter: Simon Kitching
>     Assignee: Martin Marinschek
>      Fix For: Nightly

>
> The AddResource class has "getInstance" methods that return an instance of the class. However a single instance is shared across all threads servicing the same webapp (ie which have the same contextPath).
> A member
>     private static StringBuffer ADDITIONAL_JAVASCRIPT_TO_BODY_TAG = null;
> Is used to store per-request data by the method:
>     addJavaScriptToBodyTag
> This is quite unsafe; multiple threads will interfere with the "body tag" text from other requests.
> In addition, the all-caps style of variable naming implies that this member was meant to be a constant rather than a variable buffer.
> I believe this member should be a private static final String, holding a key which is used to look up a StringBuffer in the current request params,
> and that the "body tag" text should be stored in that buffer from the request params rather than stored directly on the AddResource class.

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