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From Andrea Cosentino <ancosen1...@yahoo.com.INVALID>
Subject Re: [DISCUSS] Trim down karaf distributions for 4.2
Date Wed, 11 Oct 2017 13:05:35 GMT
+1, it makes sense.
Cheers,
--
Andrea Cosentino 
----------------------------------
Apache Camel PMC Member
Apache Karaf Committer
Apache Servicemix PMC Member
Email: ancosen1985@yahoo.com
Twitter: @oscerd2
Github: oscerd




 
 
 On Wednesday, October 11, 2017, 3:01:07 PM GMT+2, Guillaume Nodet <gnodet@apache.org>
wrote: 





The point that makes me raise this problem is that the karaf default
distribution uses the Apache versions of xerces and xalan.  Fwiw, the
latest xerces release is from 2011 and the latest xalan from 2014, so
they're not the most active.  In particular, xalan latest release does not
implement jaxp 1.4.

One additional point is that those libraries stuff is broken on Java 9, so
one option would be to remove it alltogether which bring us much closer to
Java 9 support ;-)  Seriously, I'm not sure I want to spend too much time
allowing pluggability for specs/implementations while the only real
implementation provider is the JDK itself.  That's really a lot of work for
no real benefit.

In addition, the default distribution still install some "legacy" features
such as aries-blueprint, shell-compat, etc...

So here's a list of propositions for 4.2:
  * remove all libraries for specs / impls from apache-karaf distro
  * remove support for endorsed / ext libraries in the <library> element
and wherever used
  * remove aries-blueprint and shell-compat from default distro
  * remove a few features from the karaf-minimal distro. I'm not sure which
one exactly, but I think we should get the zip under 10 Mb.  Maybe only
keeping jaas, shell, feature, ssh, bundle, config, deployer and log, also
removing equinox / logback bundles...

Thoughts ?

-- 
------------------------
Guillaume Nodet


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