websphere portal - Unable to get instance of RenderingContext -


I am facing a problem in introducing rendering references in portal themes of WPS8. The following are the code snippets I used to use: 

  Rendering Contact RC = (Rendering Concert) request.getAttribute (Workspace .imirINNTTEXEKE); Rc.getPath ();   
 When I am using the code snippet above, I am rendering the reference  null . I have to get the current WCM path from the browser URL but I'm getting  null  Please help me in this regard.   
 
 
 Use the steps below to create the rendering context  
 
 Repository = WCM_API.getRepository ();  
 Workspace workspace = repository. Get Workspace (user, pass);     
           
 ), "","connect");  
 
 In addition, a render material should be set as shown below, only the render path will be displayed:  
 
 renderingContext.setRenderedContent (siteArea);  
 System.out.println ("Gatepath:" + Rendering Contains. Gate Path (True));

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