Return-Path: Mailing-List: contact tomcat-dev-help@jakarta.apache.org; run by ezmlm Delivered-To: mailing list tomcat-dev@jakarta.apache.org Received: (qmail 24347 invoked from network); 30 Aug 2000 21:35:01 -0000 Received: from unknown (HELO mail1.more.com) (166.90.133.80) by locus.apache.org with SMTP; 30 Aug 2000 21:35:01 -0000 Received: from xmail.more.com (xmail.more.com [192.168.0.4]) by mail1.more.com (8.9.3/8.9.3) with ESMTP id OAA13912 for ; Wed, 30 Aug 2000 14:34:36 -0700 Received: by xmail.more.com with Internet Mail Service (5.5.2650.21) id ; Wed, 30 Aug 2000 14:30:01 -0700 Message-ID: <42EC3296FB27D411A24B0090277C124FDA53F6@xmail.more.com> From: "Voronoff, George" To: "'tomcat-dev@jakarta.apache.org'" Subject: RE: Unhelpful JSP Error Messages Date: Wed, 30 Aug 2000 14:29:50 -0700 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2650.21) Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C012C9.71E3A166" X-Spam-Rating: locus.apache.org 1.6.2 0/1000/N ------_=_NextPart_001_01C012C9.71E3A166 Content-Type: text/plain; charset="iso-8859-1" You can build your stuff with debugging on for one thing. Then you should get at least a line number and file name where the problem occured. Also, you can run tomcat in a debugger. -----Original Message----- From: Aaron Mulder [mailto:ammulder@alumni.princeton.edu] Sent: Wednesday, August 30, 2000 2:26 PM To: Tomcat Dev List Subject: Unhelpful JSP Error Messages I deployed my first JSP, and predictably enough, it failed to run on the first try. The error was classic cut & paste - I missed one occurance of the bean name in the code I was basing mine on. However, the console exception generated by Tomcat was a NullPointerException, and it only went as far as a Jasper class. It was singularly unhelpful. Is there any way to get more useful validation or error messages for JSP development? A log file or something? Thanks, Aaron --------------------------------------------------------------------- To unsubscribe, e-mail: tomcat-dev-unsubscribe@jakarta.apache.org For additional commands, e-mail: tomcat-dev-help@jakarta.apache.org ------_=_NextPart_001_01C012C9.71E3A166 Content-Type: text/html; charset="iso-8859-1" RE: Unhelpful JSP Error Messages

You can build your stuff with debugging on for one thing.
Then you should get at least a line number and file name
where the problem occured.  Also, you can run tomcat
in a debugger.

-----Original Message-----
From: Aaron Mulder [mailto:ammulder@alumni.princeton.edu]
Sent: Wednesday, August 30, 2000 2:26 PM
To: Tomcat Dev List
Subject: Unhelpful JSP Error Messages


        I deployed my first JSP, and predictably enough, it failed to run
on the first try.  The error was classic cut & paste - I missed one
occurance of the bean name in the code I was basing mine on.  However, the
console exception generated by Tomcat was a NullPointerException, and it
only went as far as a Jasper class.  It was singularly unhelpful.  Is
there any way to get more useful validation or error messages for JSP
development?  A log file or something?

Thanks,
        Aaron



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