java.lang.LinkageErrors seen during start of JBoss AS 5.1 with admin-console.war deployed ----------------------------------------------------------------------------------------- Key: JBAS-6535 URL: https://jira.jboss.org/jira/browse/JBAS-6535 Project: JBoss Application Server Issue Type: Bug Security Level: Public(Everyone can see) Environment: JBoss AS Branch_5_x r84532, embjopr r162 Reporter: Shelly McGowan Assignee: Shelly McGowan Fix For: JBossAS-5.1.0.CR1 Attachments: Injector.java, jaxb-impl.jar During the inialization of the administration console, the rhq-platform-plugin gets loaded, searches jaxb.properties for a JAXB implementation and finds jaxb-impl.jar from $JBOSS_HOME/lib 2009-02-20 15:20:41,594 INFO [org.jboss.on.embedded.BootstrapAction] (main) Bootstrapping Administration Console v1.1.1-SNAPSHOT... 2009-02-20 15:20:41,594 DEBUG [org.jboss.on.embedded.BootstrapAction] (main) Reconfiguring JDK logging... 2009-02-20 15:20:41,617 DEBUG [org.jboss.on.embedded.BootstrapAction] (main) Configuring Mock Scenario Loader... 2009-02-20 15:20:41,618 INFO [org.rhq.core.pc.PluginContainer] (main) Initializing Plugin Container v1.2.0-SNAPSHOT... 2009-02-20 15:20:41,723 DEBUG [org.rhq.core.pc.PluginContainer] (main) Starting and configuring container service: PluginManager 2009-02-20 15:20:41,737 DEBUG [org.rhq.core.pc.plugin.PluginManager] (main) Plugin found at: jndi:/localhost/admin-console/plugins/rhq-platform-plugin-1.2.0-SNAPSHOT.jar 2009-02-20 15:20:41,741 DEBUG [org.rhq.core.clientapi.descriptor.AgentPluginDescriptorUtil] (main) Loading plugin descriptor from plugin jar at [jndi:/localhost/admin-console/plugins/rhq-platform-plugin-1.2.0-SNAPSHOT.jar]... 2009-02-20 15:20:41,741 FINE [javax.xml.bind] (main) Searching jaxb.properties 2009-02-20 15:20:41,742 FINE [javax.xml.bind] (main) Searching the system property 2009-02-20 15:20:41,742 FINE [javax.xml.bind] (main) Searching META-INF/services 2009-02-20 15:20:41,743 FINE [javax.xml.bind] (main) Trying to load com.sun.xml.bind.v2.ContextFactory 2009-02-20 15:20:41,744 FINE [javax.xml.bind] (main) loaded com.sun.xml.bind.v2.ContextFactory from vfszip:/home/smcgowan2/workspace/Branch_5_x/build/output/jboss-5.1.0.Beta1/lib/jaxb-impl.jar/com/sun/xml/bind/v2/ContextFactory.class 2009-02-20 15:20:41,748 FINE [com.sun.xml.bind.v2.ContextFactory] (main) Property com.sun.xml.bind.XmlAccessorFactoryis not active. Using JAXB's implementation 2009-02-20 15:20:41,947 FINE [com.sun.xml.bind.v2.runtime.reflect.opt.OptimizedAccessorFactory] (main) Using optimized Accessor for protected org.rhq.core.clientapi.descriptor.plugin.Version org.rhq.core.clientapi.descriptor.plugin.ResourceDescriptor.version : : Next, while loading jopr-jboss-as-5-plugin, the same seach occurs but this time loading the class results in an exception: 2009-02-20 15:20:44,006 DEBUG [org.rhq.core.pc.plugin.PluginManager] (main) Loading independent plugin [JBossAS5] from URL: jndi:/localhost/admin-console/plugins/jopr-jboss-as-5-plugin-2.2.0-SNAPSHOT.jar 2009-02-20 15:20:44,006 DEBUG [org.rhq.core.pc.plugin.PluginManager] (main) Loading plugin from: jndi:/localhost/admin-console/plugins/jopr-jboss-as-5-plugin-2.2.0-SNAPSHOT.jar 2009-02-20 15:20:44,026 DEBUG [org.rhq.core.pc.plugin.PluginDescriptorLoader] (main) Created classloader for plugin [jndi:/localhost/admin-console/plugins/jopr-jboss-as-5-plugin-2.2.0-SNAPSHOT.jar] 2009-02-20 15:20:44,026 DEBUG [org.rhq.core.clientapi.descriptor.AgentPluginDescriptorUtil] (main) Loading plugin descriptor from plugin jar at [jndi:/localhost/admin-console/plugins/jopr-jboss-as-5-plugin-2.2.0-SNAPSHOT.jar]... 2009-02-20 15:20:44,026 FINE [javax.xml.bind] (main) Searching jaxb.properties 2009-02-20 15:20:44,027 FINE [javax.xml.bind] (main) Searching the system property 2009-02-20 15:20:44,027 FINE [javax.xml.bind] (main) Searching META-INF/services 2009-02-20 15:20:44,027 FINE [javax.xml.bind] (main) Trying to load com.sun.xml.bind.v2.ContextFactory 2009-02-20 15:20:44,028 FINE [javax.xml.bind] (main) loaded com.sun.xml.bind.v2.ContextFactory from vfszip:/home/smcgowan2/workspace/Branch_5_x/build/output/jboss-5.1.0.Beta1/lib/jaxb-impl.jar/com/sun/xml/bind/v2/ContextFactory.class 2009-02-20 15:20:44,029 FINE [com.sun.xml.bind.v2.ContextFactory] (main) Property com.sun.xml.bind.XmlAccessorFactoryis not active. Using JAXB's implementation 2009-02-20 15:20:44,308 FINE [com.sun.xml.bind.v2.runtime.reflect.opt.Injector] (main) Unable to inject org/rhq/core/clientapi/descriptor/plugin/ResourceDescriptor$JaxbAccessorF_version java.lang.reflect.InvocationTargetException at sun.reflect.GeneratedMethodAccessor252.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) 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$FieldReflection.optimize(Accessor.java:253) at com.sun.xml.bind.v2.runtime.property.SingleElementNodeProperty.<init>(SingleElementNodeProperty.java:89) at sun.reflect.GeneratedConstructorAccessor47.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:494) at com.sun.xml.bind.v2.runtime.property.PropertyFactory.create(PropertyFactory.java:124) Caused by: java.lang.LinkageError: duplicate class definition: org/rhq/core/clientapi/descriptor/plugin/ResourceDescriptor$JaxbAccessorF_version at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:620) at java.lang.ClassLoader.defineClass(ClassLoader.java:465) The server does start.