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From "Stephen Charles Huey" <>
Subject RE: Tomcat exception report I don't understand
Date Tue, 09 Sep 2003 14:15:58 GMT
I'm not entirely sure my JDK is the exact same, so I guess that could be
the problem.  Anyway, those two extra JAR files in my Tomcat common lib
have been copied to the production server's Tomcat's common lib, and now
the site works without any such exception.  So is that the most likely
cause--that I'm using a different JDK than the other developer?  I've got
1.4.2--is there some reason I would need xercesImpl.jar and
xmlParserAPIs.jar?  Thanks for your advice...

----- Original message -----
From: "Shapira, Yoav" <>
To: "Tomcat Users List" <>
Date: Tue, 9 Sep 2003 08:56:26 -0400
Subject: RE: Tomcat exception report I don't understand


>and Tomcat 4, version 1.1 (the same as what's on the server).  I took

No such version exists of tomcat.  Check the string at the beginning of
$CATALINA_HOME/logs/catalina.out and tell us what version of tomcat
you're using ;)

>I did find one notable difference between the Tomcat directories on the
>two machines.  On my machine, I have two extra JAR files in Tomcat's
>common\lib directory:  xercesImpl.jar and xmlParserAPIs.jar

That's the cause for your error.  See the release notes section on XML

>Here is what appears directly under "root cause" on the Exception
>        at

This indicates a mismatching version of the XML parser implementation
versus the SAX API version.

Are you using JDK 1.4?  Are you using the same JDK as the developer who
wrote the site?

Yoav Shapira

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