Re: error running portlet

Yes, check to make sure that crossContext="true" is set in your context 
configuration xml in tomcat.  If it's not, cross context dispatching 
won't be allowed.  This null pointer reminds me a little more of the 
issue that I just referenced in the last email I sent. . .


David

Daniel Amadei wrote:
> Hi All,
> 
> I'm deploying a portlet based on the Hepper's HelloWorld example book.
> The deployment happens fine but when the portlet is shown, I get the
> following error on the browser:
> 
> HelloWorld
> HelloWorld  view  |  max   min   nor
> Error occurred in portlet!
> 
> And in the log files I get:
> 
> SEVERE: Error in Portlet
> java.lang.NullPointerException
>     at 
> org.apache.pluto.invoker.impl.PortletInvokerImpl.invoke(PortletInvokerImpl.java:109) 
> 
>     at 
> org.apache.pluto.invoker.impl.PortletInvokerImpl.load(PortletInvokerImpl.java:80) 
> 
>     at 
> org.apache.pluto.PortletContainerImpl.portletLoad(PortletContainerImpl.java:218) 
> 
>     at 
> org.apache.pluto.portalImpl.core.PortletContainerWrapperImpl.portletLoad(PortletContainerWrapperImpl.java:94) 
> 
>     at 
> org.apache.pluto.portalImpl.aggregation.PortletFragment.service(PortletFragment.java:120) 
> 
>     at 
> org.apache.jsp.WEB_002dINF.aggregation.ColumnFragment_jsp._jspService(org.apache.jsp.WEB_002dINF.aggregation.ColumnFragment_jsp:65) 
> 
>     at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
>     at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
>     at 
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322) 
> 
>     at 
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
>     at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
>     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.portalImpl.aggregation.AbstractFragment.service(AbstractFragment.java:112) 
> 
>     at 
> org.apache.jsp.WEB_002dINF.aggregation.RowFragment_jsp._jspService(org.apache.jsp.WEB_002dINF.aggregation.RowFragment_jsp:65) 
> 
>     at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
>     at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
> 
> Any ideas? I'm completely lost.
> 
> Thanks,
> Daniel
>