java.net.UknownHostException while using Jetspeed
Applies to:
Jetspeed
Description:
Occurs while using Jetspeed.
Cause:
Invalid server configuration.
Error List
Error List for the ‘JAVA-Jetspeed’ Category
org.apache.jasper.JasperException: Unable to compile class for JSP
Applies to:
Jetspeed
Description:
You have copied jetspeed.war file to $Tomcat/webapps, and when got the url http://localhost:8080/jetspeed/index.jsp, had an error like:
org.apache.jasper.JasperException: Unable to compile class for JSP
An error occurred at line: -1 in the jsp file: null
Cause:
There are known problems with having Tomcat installed in a directory structure that contains spaces, e.g. C:\Program Files\Apache Group\Tomcat 5.5.
NullPointerException in PortletAction when trying to retrieve a VelocityPortletContext
Applies to:
Jetspeed
Description:
In Your action class extending JspPortletAction, You have tried to use the setTemplate method, but it did not work. It thrown a NullPointerException in PortletAction when trying to retrieve a “VelocityPortletContext” (how surprising when working with a JSPPortlet)
Cause:
Most common mistake with portlets is to use the hidden action variable and set it to the portlet’s action class:
In the above example, Turbine executes the action before the portlet and therefore the context is null.
Problem in SAX transform: org.apache.xml.utils.WrappedRuntimeException: The output format must have a '{http://xml.apache.org/xalan}content-handler' property!
Applies to:
Jetspeed
Description:
Occurs while using Jetspeed RSS feeds in the portlet
Cause:
xalan.jar is missing.