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網頁顯示http status 500。 該怎麼辦？簡單的jsp頁面不能在tomcat 7.0中使用eclipse indigo
這裏是堆棧跟蹤，
Nov 22, 2013 4:49:01 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet [Faces Servlet] in context with path [/jsftesting] threw exception
java.lang.ClassCastException: org.apache.catalina.core.ApplicationContextFacade cannot be cast to javax.portlet.PortletContext
at com.sun.faces.portlet.FacesContextFactoryImpl.getFacesContext(FacesContextFactoryImpl.java:71)
at org.apache.myfaces.webapp.filter.TomahawkFacesContextFactory.getFacesContext(TomahawkFacesContextFactory.java:107)
at javax.faces.webapp.FacesServlet.prepareFacesContext(FacesServlet.java:235)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:168)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:928)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:987)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:539)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:298)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
什麼代碼導致了這一點？ – Bull