Does portlet work well with JSF page navigation? Thanks.
Dave Brondsema <[EMAIL PROTECTED]> wrote:
Dave Brondsema <[EMAIL PROTECTED]> wrote:
Any ideas? Or is there a better place to ask this?
Dave Brondsema wrote:
> I'm developing a portlet using MyFaces and extending the
> MyFacesGenericPortlet class. After working some and doing several
> redeploys, I get the following NPE. I have to restart Tomcat for it to
> work again. Any idea why? Thanks!
>
>
> Aug 29, 2005 3:49:18 PM org.apache.catalina.core.ApplicationDispatcher
> invoke
> SEVERE: Servlet.service() for servlet FoodServiceMenu threw exception
> java.lang.NullPointerException
> at
> org.apache.myfaces.application.jsp.JspViewHandlerImpl.getServletMapping(JspViewHandlerImpl.java:354)
> at
> org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:193)
> at
> org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:299)
> at
> org.apache.myfaces.portlet.MyFacesGenericPortlet.nonFacesRequest(MyFacesGenericPortlet.java:304)
> at
> edu.cornerstone.portal.portlets.foodservicemenu.MyFacesModalPortlet.doEdit(MyFacesModalPortlet.java:61)
> at
> edu.cornerstone.portal.portlets.foodservicemenu.FoodServiceMenuPortlet.doEdit(FoodServiceMenuPortlet.java:24)
> at javax.portlet.GenericPortlet.doDispatch(GenericPortlet.java:253)
> at javax.portlet.GenericPortlet.render(GenericPortlet.java:178)
> at
> edu.cornerstone.portal.portlets.foodservicemenu.MyFacesModalPortlet.render(MyFacesModalPortlet.java:55)
> at org.apache.pluto.core.PortletServlet.dispatch(PortletServlet.java:205)
> at org.apache.pluto.core.PortletServlet.doGet(PortletServlet.java:145)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
> at org.apache.pluto.core.PortletServlet.service(PortletServlet.java:140)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
> at
> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
> at
> org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:574)
> at
> org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:499)
> at
> org.apache.pluto.invoker.impl.PortletInvokerImpl.invoke(PortletInvokerImpl.java:120)
> at
> org.apache.pluto.invoker.impl.PortletInvokerImpl.render(PortletInvokerImpl.java:73)
> at
> org.apache.pluto.PortletContainerImpl.renderPortlet(PortletContainerImpl.java:105)
> at
> org.jasig.portal.channels.portlet.CPortletAdapter.getMarkup(CPortletAdapter.java:574)
> at
> org.jasig.portal.channels.portlet.CPortletAdapter.renderCharacters(CPortletAdapter.java:497)
> at
> org.jasig.portal.MultithreadedCharacterChannelAdapter.renderCharacters(MultithreadedCharacterChannelAdapter.java:41)
> at org.jasig.portal.channels.error.CError.renderCharacters(CError.java:521)
> at
> org.jasig.portal.ChannelRenderer$Worker.execute(ChannelRenderer.java:477)
> at org.jasig.portal.utils.threading.BaseTask.run(BaseTask.java:27)
> at
> edu.emory.mathcs.backport.java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:418)
> at
> edu.emory.mathcs.backport.java.util.concurrent.FutureTask.run(FutureTask.java:165)
> at
> edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:660)
> at
> edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:685)
> at java.lang.Thread.run(Thread.java:595)
>
--
Dave Brondsema
Software Developer
Cornerstone University
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