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Problems casting HttpServletRequest attribute into a RenderRequest object

John Zwick
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The following line of code seems to be causing the exception:
java.lang.ClassCastException: com.ibm.ws.portletcontainer.core.impl.ActionRequestImpl incompatible with javax.portlet.RenderRequest

Does anyone know why I cannot do this cast? Also, if this is not the correct way... how can I retrieve the RenderRequest object from a HttpServletRequest object so I can access the portlet preferences values?

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