On Fri, Sep 25, 2009 at 03:12:26PM +0530, Sahoo wrote:
> Does jersey bundle import package named com.sun.xml.bind.annotation? If
> not, how do you expect it to be able to load a class from that package
> which I assume is exported by jaxb-2.2 bundle. Mind you, all Java EE
Ok, but even then still do not understand the difference. The application
also does not claim it needs com.sun.xml.bind.annotation.
> applications have an equivalent of DynamicImport-Package: *, so they can
> load classes from any exported package.
Will give it a try,
~Jakub
>
> Sahoo
> Jakub Podlesak wrote:
> >Hi all,
> >
> >i am experiencing a strange classloading issue when trying to utilize
> >JAXB2.2 provided as GFv3 module in Jersey. It seems, that classes bundled
> >in a war file can without any issues access JAXB2.2 implementation classes
> >from the bundled module, but it does not apply for the underlying Jersey
> >classes,
> >which are also bundled in a module withing GFv3.
> >
> >I have attached a simple test case, where if you unzip and mvn package it,
> >could be deployed onto GFv3 (using the latest promoted GFv3 b65 from [1].
> >
> >Then accesing resource [2] with your browser should give you st. like:
> >
> ><p>FIND: javax.ws.rs.core.Application javax/ws/rs/core/Application.class
> > <br> Class loader of class
> > bundle://115.0:1/javax/ws/rs/core/Application.class
> > <br> Context class loader
> > bundle://115.0:1/javax/ws/rs/core/Application.class
> ><p>FIND: com.sun.jersey.api.container.ContainerFactory
> >com/sun/jersey/api/container/ContainerFactory.class
> > <br> Class loader of class
> > bundle://91.0:1/com/sun/jersey/api/container/ContainerFactory.class
> > <br> Context class loader
> > bundle://91.0:1/com/sun/jersey/api/container/ContainerFactory.class
> ><p>FIND: com.sun.xml.bind.annotation.OverrideAnnotationOf
> >com/sun/xml/bind/annotation/OverrideAnnotationOf.class
> > <br> Class loader of class
> > bundle://151.0:1/com/sun/xml/bind/annotation/OverrideAnnotationOf.class
> > <br> Context class loader
> > bundle://151.0:1/com/sun/xml/bind/annotation/OverrideAnnotationOf.class
> ><p>FIND: com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl
> >com/sun/xml/bind/v2/runtime/unmarshaller/UnmarshallerImpl.class
> > <br> Class loader of class
> > bundle://151.0:1/com/sun/xml/bind/v2/runtime/unmarshaller/UnmarshallerImpl.class
> > <br> Context class loader
> > bundle://151.0:1/com/sun/xml/bind/v2/runtime/unmarshaller/UnmarshallerImpl.class
> >classforname succeeded
> >
> >where the last line comes from:
> >
> > try {
> > Class.forName("com.sun.xml.bind.annotation.OverrideAnnotationOf");
> >
> > out.println("classforname succeeded");
> > } catch (ClassNotFoundException ex) {
> > ex.printStackTrace(out);
> > }
> >
> >in Gaga.java source file.
> >
> >
> >Now the very same Class.forName statement is used also in Jersey code in
> >JSONConfiguration.java:
> >
> > public static NaturalBuilder natural() {
> > // this is to make sure people trying to use NATURAL notation will
> > get clear message what is missing, when an old JAXB RI version is
> > used
> > try {
> > Class.forName("com.sun.xml.bind.annotation.OverrideAnnotationOf");
> > } catch (ClassNotFoundException ex) {
> > Logger.getLogger(JSONConfiguration.class.getName()).log(Level.SEVERE, ImplMessages.ERROR_JAXB_RI_2_1_10_MISSING());
> > throw new
> > RuntimeException(ImplMessages.ERROR_JAXB_RI_2_1_10_MISSING());
> > }
> > return new NaturalBuilder(Notation.NATURAL);
> > }
> >
> >,
> >but there when starting the app, it ends up with the following in the
> >server.log:
> >
> >#|2009-09-25T10:53:14.423+0200|SEVERE|glassfish|com.sun.jersey.core.spi.component.ProviderFactory|_ThreadID=22;_ThreadName=Thread-3;|The provider class, class com.mycompany.JSONTrials.providers.JAXBContextResolver, could not be instantiated. Processing will continue but the class will not be utilized
> >java.lang.RuntimeException: [failed to localize]
> >error.jaxb.ri.2.1.10.missing()
> > at
> > com.sun.jersey.api.json.JSONConfiguration.natural(JSONConfiguration.java:351)
> > at
> > com.mycompany.JSONTrials.providers.JAXBContextResolver.<init>(JAXBContextResolver.java:103)
> > at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> > at
> > sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
> > at
> > sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
> > at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
> > at java.lang.Class.newInstance0(Class.java:355)
> > at java.lang.Class.newInstance(Class.java:308)
> > at
> > com.sun.jersey.core.spi.component.ComponentConstructor._getInstance(ComponentConstructor.java:152)
> > at
> > com.sun.jersey.core.spi.component.ComponentConstructor.getInstance(ComponentConstructor.java:140)
> > at
> > com.sun.jersey.core.spi.component.ProviderFactory.__getComponentProvider(ProviderFactory.java:159)
> > at
> > com.sun.jersey.core.spi.component.ProviderFactory._getComponentProvider(ProviderFactory.java:152)
> > at
> > com.sun.jersey.core.spi.component.ioc.IoCProviderFactory._getComponentProvider(IoCProviderFactory.java:87)
> > at
> > com.sun.jersey.core.spi.component.ProviderFactory.getComponentProvider(ProviderFactory.java:146)
> > at
> > com.sun.jersey.core.spi.component.ProviderServices.getComponent(ProviderServices.java:185)
> > at
> > com.sun.jersey.core.spi.component.ProviderServices.getProviders(ProviderServices.java:95)
> > at
> > com.sun.jersey.core.spi.factory.ContextResolverFactory.<init>(ContextResolverFactory.java:78)
> > at
> > com.sun.jersey.server.impl.application.WebApplicationImpl.initiate(WebApplicationImpl.java:560)
> > at
> > com.sun.jersey.server.impl.application.WebApplicationImpl.initiate(WebApplicationImpl.java:420)
> > at
> > com.sun.jersey.spi.container.servlet.ServletContainer.initiate(ServletContainer.java:377)
> > at
> > com.sun.jersey.spi.container.servlet.ServletContainer$InternalWebComponent.initiate(ServletContainer.java:242)
> > at
> > com.sun.jersey.spi.container.servlet.WebComponent.load(WebComponent.java:466)
> > at
> > com.sun.jersey.spi.container.servlet.WebComponent.init(WebComponent.java:182)
> > at
> > com.sun.jersey.spi.container.servlet.ServletContainer.init(ServletContainer.java:281)
> > at
> > com.sun.jersey.spi.container.servlet.ServletContainer.init(ServletContainer.java:442)
> > at javax.servlet.GenericServlet.init(GenericServlet.java:242)
> > at
> > org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1427)
> > at
> > org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1230)
> > at
> > org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5046)
> > at
> > org.apache.catalina.core.StandardContext.start(StandardContext.java:5319)
> > at com.sun.enterprise.web.WebModule.start(WebModule.java:483)
> > at
> > org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:928)
> > at
> > org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:912)
> > at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:694)
> > at
> > com.sun.enterprise.web.WebContainer.loadWebModule(WebContainer.java:1816)
> > at
> > com.sun.enterprise.web.WebContainer.loadWebModule(WebContainer.java:1520)
> > at com.sun.enterprise.web.WebApplication.start(WebApplication.java:93)
> > at org.glassfish.internal.data.EngineRef.start(EngineRef.java:126)
> > at org.glassfish.internal.data.ModuleInfo.start(ModuleInfo.java:229)
> > at
> > org.glassfish.internal.data.ApplicationInfo.start(ApplicationInfo.java:214)
> > at
> > com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:307)
> > at
> > com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:172)
> > at
> > org.glassfish.deployment.admin.DeployCommand.execute(DeployCommand.java:270)
> > at
> > com.sun.enterprise.v3.admin.CommandRunnerImpl$4.execute(CommandRunnerImpl.java:403)
> > at
> > com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:418)
> > at
> > com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:505)
> > at
> > com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:138)
> > at
> > com.sun.enterprise.v3.admin.AdminAdapter.doCommand(AdminAdapter.java:355)
> > at
> > com.sun.enterprise.v3.admin.AdminAdapter.service(AdminAdapter.java:195)
> > at
> > com.sun.grizzly.tcp.http11.GrizzlyAdapter.service(GrizzlyAdapter.java:166)
> > at
> > com.sun.enterprise.v3.server.HK2Dispatcher.dispath(HK2Dispatcher.java:100)
> > at
> > com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:217)
> > at
> > com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:753)
> > at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:661)
> > at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:914)
> > at
> > com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:166)
> > at
> > com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:135)
> > at
> > com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:102)
> > at
> > com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:88)
> > at
> > com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:76)
> > at
> > com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:53)
> > at
> > com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:57)
> > at com.sun.grizzly.ContextTask.run(ContextTask.java:69)
> > at
> > com.sun.grizzly.util.FixedThreadPool$BasicWorker.dowork(FixedThreadPool.java:379)
> > at
> > com.sun.grizzly.util.FixedThreadPool$BasicWorker.run(FixedThreadPool.java:360)
> > at java.lang.Thread.run(Thread.java:619)
> >|#]
> >
> >
> >Could please someone explain, why the very same statement
> >
> >Class.forName("com.sun.xml.bind.annotation.OverrideAnnotationOf")
> >
> >has different results, and how to make Jersey bundle see the JAXB 2.2
> >classes?
> >
> >Please note, that if i remove Jersey from GlassFish, and bundle the Jersey
> >jars with the war file, the proper JAXB 2.2 is resolved all right.
> >
> >Thanks,
> >
> >~Jakub
> >
> >
> >[1]http://download.java.net/glassfish/v3/promoted/
> >[2]http://localhost:8080/JSONTrials/webresources/gaga
> >
> >
> >
> >
> >------------------------------------------------------------------------
> >
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>
--
Jakub Podlešák, Software Engineer
Web Services and Technologies, SUN Microsystems
http://blogs.sun.com/japod