Hi Volker,
it's a bug in 4.2.1, already fixed in 4.2.2-SNAPSHOT (it will be
included in 4.2.2).
Regards
JB
On 05/12/2018 14:15, Althaus, Volker wrote:
Hi,
I am stuck on a problem with a duplicate jaxb library on the classpath.
Environment: Karaf 4.2.1, Win 7.
Somewhere in my custom code I call
"FeaturesService#refreshFeatures(EnumSet.noneOf(Option.class))". The
FeaturesService is injected by a SCR @Reference annotation.
The resulting exception is:
java.lang.ClassCastException:
org.apache.karaf.features.internal.model.Capability$JaxbAccessorF_value cannot
be cast to com.sun.xml.internal.bind.v2.runtime.reflect.Accessor
org.apache.karaf.features.internal.service.FeaturesProcessingSerializer.(FeaturesProcessingSerializer.java:80)
org.apache.karaf.features.internal.service.FeaturesProcessorImpl.(FeaturesProcessorImpl.java:58)
org.apache.karaf.features.internal.service.FeaturesProcessorImpl.(FeaturesProcessorImpl.java:98)
org.apache.karaf.features.internal.service.FeaturesProcessorImpl.(FeaturesProcessorImpl.java:106)
org.apache.karaf.features.internal.service.FeaturesServiceImpl.refreshFeatures(FeaturesServiceImpl.java:1183)
When I call "feature:refresh" on the console: No exception.
I googled around and found some threads about this and that I may have a
duplicate jaxb lib on the classpath and I should remove all obsolete
occurrences.
I also found [KARAF-5912] where the jaxb-impl bundle was removed from the
"framework" feature. I applied this to my Karaf 4.2.1 and also in all other
features of my distribution (Camel e.g.).
I removed it also in the startup.properties.
Same exception again. Then I found another jaxb-impl-2.2.11.jar in the
/lib/boot/ folder. If I remove this - it works!
But now my question: Is this the correct way and don't I break something by
removing this lib?
And how can I remove it from my custom distribution? The karaf-maven-plugin
does not have an option to remove libs which are included in the standard Karaf
distribution. I didn't know any Maven phases where to hook a file delete after
the karaf-maven-plugin did it's work (unless unpacking the zip, delete the file
and re-package the stuff).
Any ideas?
TIA & Regards
Volker Althaus
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