2009/5/15 Dmitry Sklyut<[email protected]>
Richard,
Here is locations of the equinox services/utils that I used.
<!-- copied from pax runner equinox platform profile configuration -->
<bundle>
<name>Eclipse utilities</name>
<url>
http://download.eclipse.org/equinox/drops/S-3.5M7-200904302300/org.eclipse.osgi.util_3.2.0.v20090429-1630.jar
</url>
</bundle>
<bundle>
<name>Eclipse compendium services</name>
<url>
http://download.eclipse.org/equinox/drops/S-3.5M7-200904302300/org.eclipse.osgi.services_3.2.0.v20090429-1630.jar
</url>
</bundle>
It looks like equinox splits compendium between services and utils.
I also found DynamicImport confusing but I am not sure how it impacts
the
whole class loading issue. Still learning here :)
I would be happy to try a patched compendium bundle. I would really
hate
to
keep evolving my own version of kernel :)
a recreatable testcase would also be extremely useful :)
ie. something 'contained' that we can unzip, build, and debug against to
check the wiring
but it does sound like having both services and utils (esp. the tracker)
inside the same
bundle with a dynamic import is the issue - although it would be good to
confirm this...
Thanks again
Dmitry
On Fri, May 15, 2009 at 10:26 AM, Richard S. Hall<[email protected]
wrote:
I think similar issues have been raised before. The only thing
I can
see
that is different, is Felix' compendium does a "DynamicImport-Package:
*"
to
avoid having hard dependencies on other packages.
I am not exactly sure why this decision was made, but I think it was
related to some situation where someone what some specific interface
out
of
compendium, but didn't want to be constrained by its other requirements
(e.g., javax.servlet, etc.).
I am not sure if changing this would fix the issue. Dmitry, I could
create
a modified version of compendium to send to you if you want to test it
to
see if it fixes your issue. Could you send me a reference to Eclipse's
compendium so I can look at its manifest?
-> richard
On 5/15/09 10:18 AM, Guillaume Nodet wrote:
Not sure exactly. I don't think this comes from a problem with the
classes used, but maybe from the version of the package exported.
IIRC, equinox follows the not yet published spec of OSGi 4.2, so it
may already has bumped some of the packages, though I'm still not sure
how that would affect the bundles.
We need to rule out a number of things: have you tried without
upgrading spring-dm ? What if you use felix instead of equinox ?
On Fri, May 15, 2009 at 15:21, Dmitry Sklyut
<[email protected]> wrote:
Hi All,
I am trying to use Karaf with equinox and ran into a very strange
classloading issue yesterday.
Here is a situation:
1. Stock karaf with FELIX-1150 (
https://issues.apache.org/jira/browse/FELIX-1150) applied (upgrade
to
Spring
2.5.6.SEC01 and SpringDM 1.2.0) and config.properties modified to
point
to
equinox (i.e. karaf.framework=equinox)
2. Bundle "datasource" wraps h2database and c3p0 and publishes a
DataSource
3. Bundle "hibernate" is session factory producing bundle. It
publishes
SessionFactory and Spring PlatformTransactionManager using SpringDM.
4. All of the supporting spring libraries (transaction, orm, etc) and
hibernate (pulled from BRITS) and supporting java spec bundles are
also
deployed.
When deploying those two bundles I was constantly getting a CNF on
org.hibernate.JDBCException in Karaf from bundle . Those bundles
were
working just fine with Pax Runner.
I thought that it was a problem with my bundles. I tried everything,
modified imports, tried require bundle (with reexport and without),
finally
tried Dynamic import = *.
Still I was getting a CNF.
I finally reconfigured Karaf to use:
1. org.eclipse.osgi.services-3.2.0.v20090429.jar vs.
org/apache/felix/org.osgi.compendium/${felix.compendium.version}/org.osgi.compendium-${felix.compendium.version}.jar
2. org.eclipse.osgi.util-3.2.0.v20090429.jar because PAX runner uses
it
in
minimal equinox configuraiton.
Now everything seems to work. So I have a solution for my issue, but
I
still don't have a "WHY" this issue came up. Can anyone think of a
"WHY"?
Is it an isseu with Compendium services used in stock Karaf?
I am willing to submit my changes as a patch but I would like to
discuss
this a little more to get it right. I have a pax-construct project
that
generates required dependencies and bundles in question for testing
if
anyone is interested in trying this.
Thanks in advance
Dmitry
--
Cheers, Stuart
