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From George Hawkins <george_hawk...@yahoo.com>
Subject [PATCH] FAQ entry covering using Xerces inplace of JDK 1.4's Crimson
Date Tue, 08 Apr 2003 23:30:35 GMT
Hi there --

I'm really sorry if this is already a FAQ - I'm surprised it's not so
maybe I've just missed it or something? Here's my question and its
correct answer (I hope) - which I think should be in a FAQ.

I'd say a lot of people are using JDK 1.4 now - which come with a number
of Apache packages or varying degrees of out of dateness.

I'm sure a lot of people rather than setting run time options when
invoking java would rather just get a new set of Apache JARs install
them in the right place and be done with it - i.e. have the new JARs
used in place of the ones that came with the JDK in all situations
without having to take any special steps when invoking Java.

>From looking at the Web this appears to be fairly simple - all you need
to do is create a directory "$JAVA_HOME/jre/lib/endorsed" and then place
the relavant JAR files there.

Am I correct in this - are there any issues to be aware of.

If there are no issues then this is really simple - but I still think it
warrants a FAQ entry.

Also as Xerces, Xalan etc. come as collections of JAR files rather than
just a single JAR file should all the JAR files be placed in this
endorsed directory - if not which one should be included and which ones
excluded (and why)?

I see looking at "rt.jar" in my Standard Edition JDK 1.4 that there are
3 obvious Apache packages included:


So I guess people would be interested in answers for Xalan and XPath as
well as Xerces.

Hope I haven't intruded on the development group - maybe this is more
user group stuff.

Best wishes - yours,


[ I can also see the following packages in "rt.jar" but I'm not sure
  which projects they belong to:


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