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Thread: JAXB OSGI class loading issues when CXF service endpoints and proxy client

 
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Permlink Replies: 1 - Last Post: Jan 8, 2011 12:01 PM Last Post By: njiang
marcelcasado

Posts: 54
Registered: 02/03/09
JAXB OSGI class loading issues when CXF service endpoints and proxy client
Posted: Jan 7, 2011 9:09 PM
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Hi,

We have JAXB classloading issues in the OSGI using CXF 2.2.10 in Fuse 4.3-02 . It looks like when different JaxbContexts tries to load the same Jaxb class binding that has been load before throws this exception. So we got this exception for every single request :

07:24:02,634 | DEBUG | Timer-16 | Injector | .v2.runtime.reflect.opt.Injector 187 | - - | Unable to inject edu/ucar/ral/bindings/org/isotc211/_2005/gmx/UomAlternativeExpression_PropertyType$JaxbAccessorF_show
java.lang.reflect.InvocationTargetException
at sun.reflect.GeneratedMethodAccessor64.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25):1.6.0_22
at java.lang.reflect.Method.invoke(Method.java:597):1.6.0_22
at com.sun.xml.bind.v2.runtime.reflect.opt.Injector.inject(Injector.java:181)76:org.apache.servicemix.bundles.jaxb-impl:2.1.12.1

.....

at java.lang.reflect.Constructor.newInstance(Constructor.java:513):1.6.0_22
at com.sun.xml.bind.v2.runtime.property.PropertyFactory.create(PropertyFactory.java:124)76:org.apache.servicemix.bundles.jaxb-impl:2.1.12.1
at com.sun.xml.bind.v2.runtime.ClassBeanInfoImpl.<init>(ClassBeanInfoImpl.java:175)76:org.apache.servicemix.bundles.jaxb-impl:2.1.12.1
at com.sun.xml.bind.v2.runtime.JAXBContextImpl.getOrCreate(JAXBContextImpl.java:515)76:org.apache.servicemix.bundles.jaxb-impl:2.1.12.1
at com.sun.xml.bind.v2.runtime.JAXBContextImpl.<init>(JAXBContextImpl.java:330)76:org.apache.servicemix.bundles.jaxb-impl:2.1.12.1
at com.sun.xml.bind.v2.runtime.JAXBContextImpl$JAXBContextBuilder.build(JAXBContextImpl.java:1136)76:org.apache.servicemix.bundles.jaxb-impl:2.1.12.1
at com.sun.xml.bind.v2.ContextFactory.createContext(ContextFactory.java:154)76:org.apache.servicemix.bundles.jaxb-impl:2.1.12.1
at com.sun.xml.bind.api.JAXBRIContext.newInstance(JAXBRIContext.java:106)76:org.apache.servicemix.bundles.jaxb-impl:2.1.12.1
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method):1.6.0_22
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39):1.6.0_22
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25):1.6.0_22
at java.lang.reflect.Method.invoke(Method.java:597):1.6.0_22
at org.apache.cxf.jaxb.JAXBUtils.createBridge(JAXBUtils.java:635)117:org.apache.cxf.bundle:2.2.10.fuse-00-00
at org.apache.cxf.jaxb.JAXBEncoderDecoder.unmarshalWithBridge(JAXBEncoderDecoder.java:300)117:org.apache.cxf.bundle:2.2.10.fuse-00-00
at org.apache.cxf.jaxb.io.DataReaderImpl.read(DataReaderImpl.java:144)117:org.apache.cxf.bundle:2.2.10.fuse-00-00
at org.apache.cxf.interceptor.DocLiteralInInterceptor.handleMessage(DocLiteralInInterceptor.java:198)117:org.apache.cxf.bundle:2.2.10.fuse-00-00
at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:243)117:org.apache.cxf.bundle:2.2.10.fuse-00-00
at org.apache.cxf.endpoint.ClientImpl.onMessage(ClientImpl.java:732)117:org.apache.cxf.bundle:2.2.10.fuse-00-00
at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponseInternal(HTTPConduit.java:2283)117:org.apache.cxf.bundle:2.2.10.fuse-00-00
at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponse(HTTPConduit.java:2156)117:org.apache.cxf.bundle:2.2.10.fuse-00-00
at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.close(HTTPConduit.java:2010)117:org.apache.cxf.bundle:2.2.10.fuse-00-00
at org.apache.cxf.io.CacheAndWriteOutputStream.postClose(CacheAndWriteOutputStream.java:47)117:org.apache.cxf.bundle:2.2.10.fuse-00-00
at org.apache.cxf.io.CachedOutputStream.close(CachedOutputStream.java:188)117:org.apache.cxf.bundle:2.2.10.fuse-00-00
at org.apache.cxf.transport.AbstractConduit.close(AbstractConduit.java:66)117:org.apache.cxf.bundle:2.2.10.fuse-00-00
at org.apache.cxf.transport.http.HTTPConduit.close(HTTPConduit.java:661)117:org.apache.cxf.bundle:2.2.10.fuse-00-00
at org.apache.cxf.interceptor.MessageSenderInterceptor$MessageSenderEndingInterceptor.handleMessage(MessageSenderInterceptor.java:62)117:org.apache.cxf.bundle:2.2.10.fuse-00-00
at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:243)117:org.apache.cxf.bundle:2.2.10.fuse-00-00
at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:516)117:org.apache.cxf.bundle:2.2.10.fuse-00-00
at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:313)117:org.apache.cxf.bundle:2.2.10.fuse-00-00
at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:265)117:org.apache.cxf.bundle:2.2.10.fuse-00-00
at org.apache.cxf.frontend.ClientProxy.invokeSync(ClientProxy.java:73)117:org.apache.cxf.bundle:2.2.10.fuse-00-00
at org.apache.cxf.jaxws.JaxWsClientProxy.invoke(JaxWsClientProxy.java:124)117:org.apache.cxf.bundle:2.2.10.fuse-00-00
at $Proxy267.renew(Unknown Source)163:edu.ucar.ral.bindings.wsn13-wcs112-jaxb:1.3.0.SNAPSHOT
at edu.ucar.ral.wxcube.consumer.wcs.PubSubWcsClientImpl.renewSubscription(PubSubWcsClientImpl.java:435)173:edu.ucar.ral.wx-consumer-wcs:3.5.0.SNAPSHOT
at edu.ucar.ral.wxcube.consumer.wcs.SubscriberImpl.renew(SubscriberImpl.java:695)[173:edu.ucar.r

.....

Caused by: java.lang.LinkageError: loader (instance of org/eclipse/osgi/internal/baseadaptor/DefaultClassLoader): attempted duplicate class definition for name: "edu/ucar/ral/bindings/org/isotc211/_2005/gmx/UomAlternativeExpression_PropertyType$JaxbAccessorF_show"
at java.lang.ClassLoader.defineClass1(Native Method):1.6.0_22
at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632):1.6.0_22
at java.lang.ClassLoader.defineClass(ClassLoader.java:616):1.6.0_22
at java.lang.ClassLoader.defineClass(ClassLoader.java:466):1.6.0_22
... 240 more

Complete exception trace can be seen at : http://pastie.org/1438285

Is this a JAXB/OSGI issue or it is related to CXF ?

Thanks,

-Marcel
njiang

Posts: 572
Registered: 09/17/07
Re: JAXB OSGI class loading issues when CXF service endpoints and proxy client
Posted: Jan 8, 2011 12:01 PM   in response to: marcelcasado in response to: marcelcasado
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It's hard to tell why the same class is loaded twice by the same class loader unless check your code. Can I know how did you create the CXF client ?

As a JBI su or some other thing.

Did you have a chance to try ESB 4.3.0-fuse-03-00 with your test case?

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