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From Laurie Harper <>
Subject Re: Tomcat not displaying (or logging) runtime exceptions for STRUTS !!
Date Sat, 31 Dec 2005 22:53:41 GMT
Mon Cab wrote:
> Please help.  
> It seems that Tomcat is no longer displaying (or logging) runtime
> errors.  I have 
> <logic:match parameter="var" value="bla">  in a jsp, and no
> <logic:present> tags surrounding this.  If I call this jsp without the
> var parameter,  Tomcat just returns a page with the following html
> source:
> <!--
> -->
> Thats it!  No exceptions or anything!  So theres no way to debug the
> jsp....
> Shouldn't I be getting a:
> javax.servlet.ServletException: Cannot compare null variable to value
> null
> with root cause: 
> javax.servlet.jsp.JspException: Cannot compare null variable to value
> null
> ?
> What is going on here?

It depends on how your application is implemented and configured. 
There's not enough information here to diagnose the problem. Since you 
say 'is no longer displaying' I'm assuming it used to work as you expect 
and does not any more. So let's start with what you've changed since it 
was working.


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