Illegal State Exception ; Resource resolver already closed

Hi

     In my component I have a page resource. When I am trying to get the image resource of the same as below it is throwing me an Illegal State exception

Resource resource = page.getContentResource(

My error stack trace is as follows

                 Eventhough i am not closing any resource ; it is giving me illegal state exception for the resource. Please help me in finding a solution for this.

Thanks

Veena