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From "Lorenti, John" <>
Subject RE: java.lang.NoClassDefFoundError: javax/servlet/Filter
Date Thu, 23 Jan 2003 20:52:36 GMT
Hello all,
After *explicitly* placing the <TOMCAT_HOME>/common/lib/servlet.jar on the
Tomcat classpath the Filter class is found.  However it is my understanding
that Tomcat shouldn't require me to do this since all jars in that directory
are loaded by Tomcat (aren't they?).  This is an ugly workaround, but I
thought it an interesting anomaly to pass on.

-----Original Message-----
From: Lorenti, John []
Sent: Thursday, January 23, 2003 2:26 PM
To: 'Tomcat Users List'
Subject: RE: java.lang.NoClassDefFoundError: javax/servlet/Filter

Hi again,
This is the first install of Tomcat on this server (done about a month ago),
and it is not presently running any jsp applications save the examples.
I've set up a few contexts, but they're empty right now (except for this
TestFilter in the /ws context), so I suspect the install is pretty clean.  I
too was curious about whether or not the servlet.jar was the correct
version, so I listed the jar's table of contents and saw that the
javax.servlet.Filter was present (so I'm guessing this is the 2.3 jar -
dated 09/23/2002).

Thanks again for you input.

-----Original Message-----
From: Shapira, Yoav []
Sent: Thursday, January 23, 2003 12:40 PM
To: Tomcat Users List
Subject: RE: java.lang.NoClassDefFoundError: javax/servlet/Filter


>Do you have any other thoughts?

I have many thoughts ;)  Most of which don't relate to your question

Is there any possibility unpacked classes from the servlet.jar are
scattered throughout your installation?  Or that the servlet.jar file in
your installation is NOT the version 2.3 jar?  Doing a clean
installation of tomcat in a different directory may help solve this.

Yoav Shapira
Millennium ChemInformatics

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