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com.sun.portal.portletcontainer.portlet.impl.PortletContextImpl cannot be cast to com.sun.portal.portletcontainer.portlet.impl.PortalContextImpl
java.lang.ClassCastException: com.sun.portal.portletcontainer.portlet.impl.PortletContextImpl cannot be cast to org.apache.pluto.core.impl.PortletContextImpl	at com.test.PortalServletContextProvider.getServletContext(PortalServletContextProvider.java:24)	at org.apache.portals.bridges.struts.StrutsPortlet.getServletContext(StrutsPortlet.java:202)	at org.apache.portals.bridges.struts.StrutsPortlet.processRequest(StrutsPortlet.java:286)	at org.apache.portals.bridges.struts.StrutsPortlet.doView(StrutsPortlet.java:274)	at javax.portlet.GenericPortlet.doDispatch(GenericPortlet.java:328)	at javax.portlet.GenericPortlet.render(GenericPortlet.java:233)	at com.sun.portal.portletcontainer.appengine.PortletAppEngineServlet.service(PortletAppEngineServlet.java:393)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)	at org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:427)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:333)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)	at com.sun.portal.portletcontainer.appengine.PortletAppEngineFilter.doFilter(PortletAppEngineFilter.java:105)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:246)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)	at org.apache.catalina.core.ApplicationDispatcher.doInvoke(ApplicationDispatcher.java:873)	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:723)	at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:679)	at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:594)	at com.sun.portal.portletcontainer.impl.PortletContainer.invokePAE(PortletContainer.java:818)	at com.sun.portal.portletcontainer.impl.PortletContainer.invokePAE(PortletContainer.java:695)	at com.sun.portal.portletcontainer.impl.PortletContainer.getMarkup(PortletContainer.java:209)	at com.sun.portal.portletcontainer.invoker.WindowInvoker.getPortletContent(WindowInvoker.java:375)	at com.sun.portal.portletcontainer.invoker.WindowInvoker.render(WindowInvoker.java:249)	at com.sun.portal.portletcontainer.driver.PortletContent.getContent(PortletContent.java:70)	at com.sun.portal.portletcontainer.driver.DesktopServlet.getPortletContents(DesktopServlet.java:296)	at com.sun.portal.portletcontainer.driver.DesktopServlet.getAllPortletContents(DesktopServlet.java:242)	at com.sun.portal.portletcontainer.driver.DesktopServlet.doGetPost(DesktopServlet.java:121)	at com.sun.portal.portletcontainer.driver.DesktopServlet.doGet(DesktopServlet.java:90)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:734)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)	at org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:427)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:315)	at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:287)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:218)	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:648)	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:593)	at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:94)	at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:98)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:222)	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:648)	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:593)	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:587)	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1096)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:166)	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:648)	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:593)	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:587)	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1096)	at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:288)	at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:647)	at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:579)	at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process(DefaultProcessorTask.java:831)	at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask(DefaultReadTask.java:341)	at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:263)	at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:214)	at com.sun.enterprise.web.portunif.PortUnificationPipeline$PUTask.doTask(PortUnificationPipeline.java:380)	at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:265)	at com.sun.enterprise.web.connector.grizzly.ssl.SSLWorkerThread.run(SSLWorkerThread.java:106)