We are decorating each request object for our requirements. 

    MySpecialRequest customReq=  MySpecialRequest(request);

Also , MySpecialRequest extends HttpRequest 

If the content type is  multipart/form-data ,also struts decorates  our request object 
in
processMultipart method and returns an instance of "MultipartRequestWrapper" class.
Then our code fall into "ClassCastException" error.
 (  MySpecialRequest req=  (MySpecialRequest) request;  )

to override this problem;

firstly,in struts-config.xml , I added  MultipartClass class definiton,
<controller MultipartClass="com.internet.common.util.MyServletRequestWrapper" >

later, I changed superClass of my "MySpecialRequest" class as such below ;
MySpecialRequest extends MultipartRequestWrapper

but, struts still returns an instance of  MultipartRequestWrapper,, my code still 
fails..


any idea or solution to this problem ??? 

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