I'm wondering if anyone has any input regarding this? I am having a similar
problem.
We are currently working on upgrading from Tomcat 5 (5.0.27) to Tomcat 6
(6.0.13) to take advantage of the better resource utilization. We are also
going from mod_jk2 to mod_jk (1.2.23), as we have had issues with jk2.
This is in a shared environment, so I do not know ahead of time what our
users will be loading in their webapps, and we have too many users to be
able to go through all of their apps and be sure they work properly.
I do have a sampling of apps that I am using to attempt to get a rough
feeling of how the migration will go, however.
There are a couple issues I have run into thus far, the xerces issue is one
of them. What I'm wondering is if there is a way to override the
functionality of allowing the WEB-INF/lib/xercesImpl.jar and
WEB-INF/lib/xml-apis.jar (and potentially other system jar files) being used
for a given app? Since we are not using xerces as the xml parser (crimson
is still being used here), it causes the web-app to fail, as it can't find
the ${java.home}/jre/lib/xerces.properties file.
Any advice would be greatly apprecated.
Thanks,
Dan
----- Original Message -----
From: "Michael Wyraz" <[EMAIL PROTECTED]>
To: <users@tomcat.apache.org>
Sent: Friday, May 25, 2007 5:36 AM
Subject: If xerces is in WEB-INF/lib this is used for deployment/web.xml
parsing on tomcat6 (bug or feature?)
Hi,
today i played around with tomcat 6 (latest).
I have an old webapp wich used Xerces 2.0.0. The Webapp deploys fine and
runs without Problems until i try to reload the Context.
In this case i get a NullpointerException fro xerces when it tries to load
web.xml via JNDI.
I played around with it and found that:
- when xerces is not present in WEB-INF/web.xml, the jdk-builtin xml
parser is used (com.sun...)
- when xerces is present in WEB-INF/web.xml, it is used to parse web.xml
during deployment and during reload
- in the 2nd case reload fails because the old xerces cannot read from
JNDI
I'm not sure how to solve this. I could change the Xerces version of my
application but this is the first of many apps i want to migrate to tomcat
6. Maybe some of this apps will not work with newer xerces.
I think tomcat should _not_ use a parser which is within the webapp's lib
directory for tomcat-specific tasks.
What do you think?
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