Hi everybody,
I've got a portlet which is a java class. I want that portlet to do some
calculations and to return the result via a JSP. I understood that the
EcsServletElement is the way to do that. So I wrote the following code:
public ConcreteElement getContent(RunData runData) {
HttpServletRequest req = runData.getRequest();
String spec = req.getParameter("spectrum");
//Here the calculations
StringElement base=new StringElement();
base.addElement(new EcsServletElement(runData,"result.jsp"));
return(base);
}
I did it the way it's described in the Portlet Howto. It seems jetspeed can't
find the jsp. The log is as follows:
[Tue Feb 12 12:13:04 CET 2002] -- ERROR -- EcsServletElement: Could not
include the following URL: result.jsp : null
Exception: java.lang.NullPointerException
Stack Trace follows:
java.lang.NullPointerException
at
org.apache.jetspeed.util.servlet.EcsServletElement.output(EcsServletElement.java:127)
at
org.apache.jetspeed.util.servlet.EcsServletElement.output(EcsServletElement.java:110)
at org.apache.ecs.ConcreteElement.output(ConcreteElement.java:322)
at org.apache.ecs.GenericElement.toString(GenericElement.java:723)
at
org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java)
at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java)
and so on.
I tried to give the absolute URL (I copied it from my browser where I get a
result), but it isn't working. I understood, that if I give no path the JSP
is looked for in the directory given in the TurbineResources.properties with
services.JspService.templates =/WEB-INF/templates/jsp
But it's working in no way.
Help would be much appreciated. Thanks a lot!
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