More follow up, hoping it will give enough info for someone to be able
to help out.
I've just tried the reasoners.hermit bundle (latest trunk revision) on
the 0.9.0 incubating full launcher.
Of course I had to adapt the parent reference and version numbers first,
but then the plugin built and ran fine.
Something from the post-release must definitely be tampering with it.
But I cannot figure what it is.
Could anyone please at least double-check this? (works on release, does
not work on trunk head)
Best regards
Alessandro
On 6/21/12 1:21 PM, Alessandro Adamou wrote:
Another update: if I no longer export the OW API packages, I manage to
activate the bundle, but not the
org.apache.stanbol.reasoners.hermit.HermitReasoningService component.
The logged exception is a LinkageError, still on the OWL API
21.06.2012 13:12:55.933 *WARN* [FelixPackageAdmin]
org.apache.stanbol.reasoners.hermit
[org.apache.stanbol.reasoners.hermit.HermitReasoningService] activate
cannot be found (java.lang.LinkageError: loader constraint violation:
loader (instance of
org/apache/felix/framework/ModuleImpl$ModuleClassLoaderJava5)
previously initiated loading for a different type with name
"org/semanticweb/owlapi/model/OWLOntology")
(stack trace is just Felix and classloader stuff)
Mabe if I could somehow tell the reasoners.hermit module NOT to bring
in its own OWL API by not using Embed-Dependency, but that would be a
problem as HermiT requires files that are not just in Java packages.
Best,
Alessandro
On 6/21/12 12:57 PM, Alessandro Adamou wrote:
I am bringing this one up again in case it was lost to the Jenkins
problem thread.
I do know that the HermiT JAR also includes the OWL API, but this has
been working so far (also during the Workshop that was based on
0.9.0-incubating), how can this ever not be working anymore just
after changing module versions?
I've tried to use <_exportcontents>, which does solve the split
package issue but not the constraint violation.
Any ideas?
Thanks
Alessandro
On 6/20/12 3:32 PM, Alessandro Adamou wrote:
Hi,
I've been trying to install the HermiT reasoner bundle in the full
launcher, but ever since it was moved to contrib and version numbers
changed I cannot get it to run.
I get this package conflict when trying to start the bundle on Java
1.6.31 Mac OS 10.6.8. Also the message seems a bit different from
other package conflict messages in the past (new Felix?):
=========
ERROR: Bundle org.apache.stanbol.reasoners.hermit [175]: Error
starting/stopping bundle. (org.osgi.framework.BundleException:
Constraint violation for package 'org.semanticweb.owlapi.util' when
resolving module 175.0 between existing export
175.0.org.semanticweb.owlapi.util NO BLAME and uses constraint
59.0.org.semanticweb.owlapi.util BLAMED ON [[175.0] package;
(&(package=org.apache.stanbol.reasoners.owlapi)(version>=0.10.0)),
[101.0] package;
(&(package=org.semanticweb.owlapi.util)(version>=0.10.0))])
org.osgi.framework.BundleException: Constraint violation for package
'org.semanticweb.owlapi.util' when resolving module 175.0 between
existing export 175.0.org.semanticweb.owlapi.util NO BLAME and uses
constraint 59.0.org.semanticweb.owlapi.util BLAMED ON [[175.0]
package;
(&(package=org.apache.stanbol.reasoners.owlapi)(version>=0.10.0)),
[101.0] package;
(&(package=org.semanticweb.owlapi.util)(version>=0.10.0))]
at
org.apache.felix.framework.Felix.resolveBundle(Felix.java:3449)
at
org.apache.felix.framework.Felix.startBundle(Felix.java:1727)
at
org.apache.felix.framework.Felix.setBundleStartLevel(Felix.java:1333)
at
org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:270)
at java.lang.Thread.run(Thread.java:680)
=========
So apparently it's going berserk on multiple OWL API packages, but
reasoners.owlapi is inheriting them from commons.owl. The HermiT jar
has its own OWL API packages, but it has been working fine so far. I
don't remember the versions of HermiT or the OWL API changing in
Stanbol.
I've tried that with the revision just before my commits from today
and keep having the same problem.
Does anyone have a clue? It would really be appreciated.
Thanks
Alessandro
--
M.Sc. Alessandro Adamou
Alma Mater Studiorum - Università di Bologna
Department of Computer Science
Mura Anteo Zamboni 7, 40127 Bologna - Italy
Semantic Technology Laboratory (STLab)
Institute for Cognitive Science and Technology (ISTC)
National Research Council (CNR)
Via Nomentana 56, 00161 Rome - Italy
"I will give you everything, just don't demand anything."
(Ettore Petrolini, 1917)
Not sent from my iSnobTechDevice
