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From Jarek Gawor <jga...@gmail.com>
Subject LinkageError on some Geronimo JAXB classes
Date Wed, 21 Oct 2009 17:52:50 GMT
Hi,

I ran into some weird LinkageErrors with JAXB classes and I have no
clue what is causing this. I'm hoping somebody might have some ideas
how to deal with it. The most interesting thing is that these errors
are logged but don't actually cause any problems. Also, I see these
errors when I build the framework from the top but not if I build the
framework/assemblies separately.

[main] DEBUG com.sun.xml.bind.v2.runtime.reflect.opt.Injector - Unable
to inject org/apache/geronimo/system/plugin/model/AttributesType$JaxbAccessorF_comment
java.lang.reflect.InvocationTargetException
	at sun.reflect.GeneratedMethodAccessor126.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at com.sun.xml.bind.v2.runtime.reflect.opt.Injector.inject(Injector.java:181)
	at com.sun.xml.bind.v2.runtime.reflect.opt.Injector.inject(Injector.java:85)
	at com.sun.xml.bind.v2.runtime.reflect.opt.AccessorInjector.prepare(AccessorInjector.java:87)
	at com.sun.xml.bind.v2.runtime.reflect.opt.OptimizedAccessorFactory.get(OptimizedAccessorFactory.java:165)
	at com.sun.xml.bind.v2.runtime.reflect.Accessor$FieldReflection.optimize(Accessor.java:253)
	at com.sun.xml.bind.v2.runtime.property.SingleElementLeafProperty.<init>(SingleElementLeafProperty.java:81)
	at sun.reflect.GeneratedConstructorAccessor97.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
	at com.sun.xml.bind.v2.runtime.property.PropertyFactory.create(PropertyFactory.java:124)
	at com.sun.xml.bind.v2.runtime.ClassBeanInfoImpl.<init>(ClassBeanInfoImpl.java:171)
	at com.sun.xml.bind.v2.runtime.JAXBContextImpl.getOrCreate(JAXBContextImpl.java:481)
	at com.sun.xml.bind.v2.runtime.JAXBContextImpl.<init>(JAXBContextImpl.java:315)
	at com.sun.xml.bind.v2.ContextFactory.createContext(ContextFactory.java:139)
	at com.sun.xml.bind.v2.ContextFactory.createContext(ContextFactory.java:117)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:202)
	at javax.xml.bind.ContextFinder.find(ContextFinder.java:363)
	at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:574)
	at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:522)
	at org.apache.geronimo.system.configuration.AttributesXmlUtil.<clinit>(AttributesXmlUtil.java:57)
	at org.apache.geronimo.system.configuration.GBeanOverride.<init>(GBeanOverride.java:191)
	at org.apache.geronimo.system.configuration.LocalAttributeManager.setModuleGBeans(LocalAttributeManager.java:239)
	at org.apache.geronimo.system.plugin.PluginInstallerGBean.installConfigXMLData(PluginInstallerGBean.java:1776)
	at org.apache.geronimo.system.plugin.PluginInstallerGBean.downloadArtifact(PluginInstallerGBean.java:1330)
	at org.apache.geronimo.system.plugin.PluginInstallerGBean.downloadArtifact(PluginInstallerGBean.java:1309)
	at org.apache.geronimo.system.plugin.PluginInstallerGBean.install(PluginInstallerGBean.java:774)
	at org.apache.geronimo.system.plugin.PluginInstallerGBean.install(PluginInstallerGBean.java:719)
	at org.apache.geronimo.mavenplugins.car.InstallModulesMojo.execute(InstallModulesMojo.java:184)
	at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:490)
	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:694)
	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:556)
	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:535)
	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:387)
	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:348)
	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:180)
	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328)
	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
	at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
	at org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
	at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
	at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
	at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
Caused by: java.lang.LinkageError: loader (instance of
org/codehaus/classworlds/RealmClassLoader): attempted  duplicate class
definition for name:
"org/apache/geronimo/system/plugin/model/AttributesType$JaxbAccessorF_comment"
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:621)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:466)
	... 54 more

Jarek

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