Agreed. This has been refactored in 1.1 and tthe container now contains *many* additional and *meaningful* error messages.
Thanks for the hint, David On 12/3/05, Patrick Huber <[EMAIL PROTECTED]> wrote: > Hi all > > I've been getting a lot of nullpointer exceptions and think I've found > the problem. It's actually somehow caused by my environment which > looks something like this: > I have a tomcat with an old pluto installation (about a month old). I > modified the war file there to include new portlets. > I also added the invoker servlet by hand since the deployment has > somewhat changed in svn. > So now, I copy my war to the tomcat along with the context.xml for > conf/Catalina/localhost. > > It appears that, under this constellation, the context.xml isn't alway > picked up and cross context is disabled. > > I'd suggest checking for a null ctx variable in PorltetEntity.load and > throw an exception with a meaningful message like "is cross context > dispatching enabled?". > > Here's an example stacktrace: > java.lang.NullPointerException > at > org.apache.pluto.core.PortletDescriptorRegistry.createDefinition(PortletDescriptorRegistry.java:119) > at > org.apache.pluto.core.PortletDescriptorRegistry.getPortletAppDD(PortletDescriptorRegistry.java:103) > at org.apache.pluto.core.PortletEntity.load(PortletEntity.java:105) > at > org.apache.pluto.core.PortletEntity.getPortletDefinition(PortletEntity.java:89) > at > org.apache.pluto.core.impl.RenderResponseImpl.isValidContentType(RenderResponseImpl.java:194) > at > org.apache.pluto.core.impl.RenderResponseImpl.setContentType(RenderResponseImpl.java:105) > at > org.springframework.web.portlet.DispatcherPortlet.render(DispatcherPortlet.java:1070) > at > org.springframework.web.portlet.DispatcherPortlet.doRenderDispatch(DispatcherPortlet.java:894) > at > org.springframework.web.portlet.DispatcherPortlet.doRenderService(DispatcherPortlet.java:724) > at > org.springframework.web.portlet.FrameworkPortlet.processRequest(FrameworkPortlet.java:433) > at > org.springframework.web.portlet.FrameworkPortlet.doDispatch(FrameworkPortlet.java:400) > at javax.portlet.GenericPortlet.render(GenericPortlet.java:175) > at > org.apache.pluto.core.PortletServlet.dispatch(PortletServlet.java:162) > at org.apache.pluto.core.PortletServlet.doGet(PortletServlet.java:113) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:689) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) > 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.core.PortletInvoker.invoke(PortletInvoker.java:156) > at > org.apache.pluto.core.PortletInvoker.render(PortletInvoker.java:103) > at > org.apache.pluto.core.PortletContainerImpl.doRender(PortletContainerImpl.java:140) > at > org.apache.pluto.driver.tags.PortletTag.doStartTag(PortletTag.java:94) > at > org.apache.jsp.WEB_002dINF.fragments.portlet_002dskin_jsp._jspx_meth_pluto_portlet_0(org.apache.jsp.WEB_002dINF.fragments.portlet_002dskin_jsp:96) > at > org.apache.jsp.WEB_002dINF.fragments.portlet_002dskin_jsp._jspService(org.apache.jsp.WEB_002dINF.fragments.portlet_002dskin_jsp:71) > > > Patrick > > -- > "I love deadlines. I like the whooshing sound they make as they fly > by." -- Douglas Adams >
