[Building Sakai] Strange issue with Reports tool following upgrade to jdk 1.6

[Maurer, Christopher Wayne]

As a slight follow up to this, I see that there are a couple tools/components (rwiki and samigo) that have xalan and xerces packaged up along with them.  My question is does anyone know if that actually does anything?  Again, my googling has indicated that it does not.  I'd love to be proven wrong on this point, however!

Chris

From: Chris Maurer <chmaurer at iupui.edu<mailto:chmaurer at iupui.edu>>
Date: Thu, 10 Mar 2011 14:05:26 +0000
To: sakai-dev sakai-dev <sakai-dev at collab.sakaiproject.org<mailto:sakai-dev at collab.sakaiproject.org>>
Subject: [Building Sakai] Strange issue with Reports tool following upgrade to jdk 1.6

As we prepare to upgrade our app servers to java 1.6.23 and Tomcat 5.5.32, we're seeing issues with some of our reports.  I don't think very many folks are using the Reports tool, but maybe someone is out there and can give me some more data points!
What we're seeing is one of them throws a stack overflow, one other shows some of the table headers, but not any of the table data.  If I run that second one through some "passthrough" xsl, all of the data that I expect to see is there.  We can run the same report on a different app server that has java 1.5 with no problems.  So, something seems to have changed in the JDKs xsl processing.
Some googling has pointed to suggestions of adding serializer.jar, xalan.jar, xercesImpl.jar and xml-apis.jar to the jdk's endorsed directory.  That way it'll pick up those versions instead of using what it packaged with the jdk.  I'm a bit hesitant of doing that as that'll impact all of Sakai and I don't know if by fixing one problem I'll be creating more.
Other rumors have claimed that adding those things elsewhere in the classpath (like in the reports tool itself) will not work as it'll still use what's in the jdk.
Anyone have any experience with this type of thing or know of a way that I can "upgrade" this for just one tool?

Chris
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