Common Portlet Issues
"Unable to retrieve portlet descriptor" error
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Dec 8, 2010 1:39:58 PM org.apache.pluto.core.PortletContextManager getPortletDescriptor
WARNING: Unable to retrieve portlet descriptor: '/CourseSchedulePortlet/course-schedule'
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Common causes of this error include the following:
- The portlet application context or name are configured incorrectly in the uPortal-side portlet registration
- The portlet was not properly run through the plutofication routine
- The portlet's context did not start up properly due to an error in the portlet's configuration
"Pre-existing session required" error
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11:51:09,376 [TP-Processor3] DEBUG servlet.DispatcherServlet - Could not complete request
org.springframework.web.HttpSessionRequiredException:
Pre-existing session required but none found
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This error often occurs in portlets that make use of the AjaxPortletSupport library when Tomcat is not configured to share information between portlet and servlet sessions. Please see the documentation on setting emptySessionPath="true" in Installing Tomcat.
Interactive debugging
Interactive debugging with the Sysdeo Tomcat Plugin
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