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From Edwin Goei <edwi...@sun.com>
Subject Re: XML-Commons and JDK 1.1 compatability
Date Fri, 19 Oct 2001 21:54:39 GMT
Joseph_Kesselman@lotus.com wrote:
> We've got a little problem in org.apache.xalan.xslt.FactoryFinder.
> As currently checked in, the code won't compile under JDK 1.1.8; there's a
> hard dependency on the getContextClassLoader() method, which isn't present
> before JDK 1.2. We've seen that problem before, and in the past our
> solution was to use reflection to move the dependency from compile time  to
> run time. Here's a quick-and-dirty version of that:

I belive that code was copied from xml-commons to the xalan tree
recently.  Shane can probably give more info.  You are correct, the code
will not _compile_ under JDK 1.1.x because of the reason you cite. 
However, it was specificially designed to _run_ on both JDK 1.1.x and
Java 2 VMs.  In particular, it runs in both IE5 and NS4.7 native VMs and
so runs in applets.  The code also works correctly when included as part
of a Java 2 core library which is loaded by the bootstrap classloader.

> [snip]
> Until both issues are fixed, I don't think we'll either compile or run
> reliably under JDK1.1. And I don't believe we've yet reached consensus that
> the JDK1.1 users can be abandoned.

The code still runs on JDK 1.1.x systems so I do not think we are
abandoning those users.  How important is being able to compile on JDK
1.1.x to you?  IMO being able to run in 1.1.x is enough.

> -------------------------------------------
> Related problem: org\xml\sax\helpers\parserAdapter wass using the JDK 1.2
> Collections methods add() and get() on a Vector. That too won't compile
> under JDK 1.1.x; it must be changed (trivially) to use addElement() and
> elementAt(). I'm going to just go ahead and check that one in, since it
> should be harmless. If this glitch is something we acquired from the SAX
> team, we should feed this back to them as a suggestion.

I believe this is fixed in the latest sax2r2-pre2 release.  This bug
affects being able to _run_ in JDK 1.1.x also.


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