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From "Nathan Beyer" <ndbe...@apache.org>
Subject Re: Dropping JDK 1.2 support for Xerces-J (and possibly JDK 1.3? 1.4? in the future)
Date Tue, 11 Nov 2008 02:25:03 GMT

I'd suggest just jumping to Java 5 library, source and target
compilation. I think this would give the project a new infusion of
activity and interest.


On Sun, Nov 9, 2008 at 9:51 PM, Michael Glavassevich
<mrglavas@ca.ibm.com> wrote:
> Hi all,
> (including general@xml.apache.org on the cc list to hopefully reach a wider
> audience)
> I would like to propose that we officially drop support for JDK 1.2 in the
> next release of Xerces-J. Though the documentation [1] states that Xerces
> supports JDK 1.2 it has been years since we have built or tested binaries
> with this level. All of the recent releases were built and tested with JDK
> 1.3. It was brought to my attention that the code [2] since at least 2006
> has had a dependency on APIs introduced in JDK 1.3. So we inadvertently
> moved on awhile ago. It seems this has not been a practical issue for most
> users since we've received no posts on these lists about it and received no
> other bug reports. It's not clear that there would be much benefit in
> restoring JDK 1.2 compatibility at this point. It's been out of service for
> years and looking around Apache it seems most projects run on JDK 1.4 or
> higher with some of the stragglers [3][4] below that moving up soon.
> If you have serious concerns regarding Xerces abandoning JDK 1.2 support
> please send an email to the j-dev@xerces.apache.org mailing list, specifying
> why you can't use a higher level of JDK and what parser features you are
> using.
> While on the subject I wonder what the community would think of us
> eventually dropping support for JDK 1.3 and possibly 1.4. There were
> features introduced in JDK 1.4 and 5 which Xerces could benefit from (e.g.
> NIO, java.lang.CharSequence, exception chaining, java.lang.StringBuilder,
> java.util.concurrent.*, etc...). That's not something I'm proposing today
> (or thinking of proposing for awhile) but would like to hear feedback from
> users (please send to j-dev@xerces.apache.org) who may still need new
> versions of Xerces which run on JDK 1.3 and 1.4. It would also be nice hear
> from folks who've long since moved on to Java 5 and beyond and would like to
> see Xerces take advantage of JDK 1.4 and 5 features.
> Thanks.
> [1] http://xerces.apache.org/xerces2-j/faq-general.html#faq-11
> [2] http://issues.apache.org/jira/browse/XERCESJ-1297
> [3] http://marc.info/?l=ant-dev&m=122596549809889&w=2
> [4] http://marc.info/?l=fop-user&m=119244442600564&w=2
> Michael Glavassevich
> XML Parser Development
> IBM Toronto Lab
> E-mail: mrglavas@ca.ibm.com
> E-mail: mrglavas@apache.org

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