Classloader issues with jgroups on AS7.1.1.Final
jjklappenbach Apr 25, 2012 1:08 PMI'm attempting to deploy an ear containing an ejb3 jar to the application server. I'm getting the following exception stack:
12:05:04,642 WARN [org.jboss.modules] (MSC service thread 1-4) Failed to define class com.mypackage.tr.session.MyClass in Module "deployment.tr.ear.tr.ejb-3.0.jar:main" from Service Module Loader: java.lang.LinkageError: Failed to link com/mypackage/tr/session/MyClass (Module "deployment.tr.ear.tr.ejb-3.0.jar:main" from Service Module Loader)
at org.jboss.modules.ModuleClassLoader.defineClass(ModuleClassLoader.java:396)
at org.jboss.modules.ModuleClassLoader.loadClassLocal(ModuleClassLoader.java:243)
at org.jboss.modules.ModuleClassLoader$1.loadClassLocal(ModuleClassLoader.java:73)
at org.jboss.modules.Module.loadModuleClass(Module.java:517)
at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:182)
at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:468)
at org.jboss.modules.ConcurrentClassLoader.performLoadClassChecked(ConcurrentClassLoader.java:456)
at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:398)
at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:120)
at org.jboss.as.jpa.hibernate4.HibernateAnnotationScanner.getPackagesInJar(HibernateAnnotationScanner.java:171)
at org.hibernate.ejb.Ejb3Configuration.addScannedEntries(Ejb3Configuration.java:489) [hibernate-entitymanager-4.0.1.Final.jar:4.0.1.Final]
at org.hibernate.ejb.Ejb3Configuration.scanForClasses(Ejb3Configuration.java:851) [hibernate-entitymanager-4.0.1.Final.jar:4.0.1.Final]
at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:596) [hibernate-entitymanager-4.0.1.Final.jar:4.0.1.Final]
at org.hibernate.ejb.HibernatePersistence.createContainerEntityManagerFactory(HibernatePersistence.java:72) [hibernate-entitymanager-4.0.1.Final.jar:4.0.1.Final]
at org.jboss.as.jpa.service.PersistenceUnitServiceImpl.createContainerEntityManagerFactory(PersistenceUnitServiceImpl.java:162) [jboss-as-jpa-7.1.1.Final.jar:7.1.1.Final]
at org.jboss.as.jpa.service.PersistenceUnitServiceImpl.start(PersistenceUnitServiceImpl.java:85) [jboss-as-jpa-7.1.1.Final.jar:7.1.1.Final]
at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1811)
at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1746)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [classes.jar:1.6.0_31]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [classes.jar:1.6.0_31]
at java.lang.Thread.run(Thread.java:680) [classes.jar:1.6.0_31]
Caused by: java.lang.NoClassDefFoundError: org/jgroups/ReceiverAdapter
at java.lang.ClassLoader.defineClass1(Native Method) [classes.jar:1.6.0_31]
at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631) [classes.jar:1.6.0_31]
at java.lang.ClassLoader.defineClass(ClassLoader.java:615) [classes.jar:1.6.0_31]
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) [classes.jar:1.6.0_31]
at org.jboss.modules.ModuleClassLoader.doDefineOrLoadClass(ModuleClassLoader.java:327)
at org.jboss.modules.ModuleClassLoader.defineClass(ModuleClassLoader.java:391)
... 20 more
Caused by: java.lang.ClassNotFoundException: org.jgroups.ReceiverAdapter from [Module "deployment.tr.ear.tr.ejb-3.0.jar:main" from Service Module Loader]
at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:190)
at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:468)
at org.jboss.modules.ConcurrentClassLoader.performLoadClassChecked(ConcurrentClassLoader.java:456)
at org.jboss.modules.ConcurrentClassLoader.performLoadClassChecked(ConcurrentClassLoader.java:423)
at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:398)
at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:120)
... 26 more
12:05:04,677 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-4) MSC00001: Failed to start service jboss.persistenceunit."tr.ear/tr.ejb-3.0.jar#tr-pu": org.jboss.msc.service.StartException in service jboss.persistenceunit."tr.ear/tr.ejb-3.0.jar#tr-pu": Failed to start service
at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1767) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [classes.jar:1.6.0_31]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [classes.jar:1.6.0_31]
at java.lang.Thread.run(Thread.java:680) [classes.jar:1.6.0_31]
Caused by: java.lang.RuntimeException: error trying to scan <jar-file>: vfs:/content/tr.ear/tr.ejb-3.0.jar/
at org.hibernate.ejb.Ejb3Configuration.scanForClasses(Ejb3Configuration.java:854)
at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:596)
at org.hibernate.ejb.HibernatePersistence.createContainerEntityManagerFactory(HibernatePersistence.java:72)
at org.jboss.as.jpa.service.PersistenceUnitServiceImpl.createContainerEntityManagerFactory(PersistenceUnitServiceImpl.java:162)
at org.jboss.as.jpa.service.PersistenceUnitServiceImpl.start(PersistenceUnitServiceImpl.java:85)
at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1811) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1746) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
... 3 more
Caused by: java.lang.RuntimeException: JBAS011431: Could not load entity class 'com.mypackage.tr.session.MyClass' with PersistenceUnitInfo.getClassLoader()
at org.jboss.as.jpa.hibernate4.HibernateAnnotationScanner.getPackagesInJar(HibernateAnnotationScanner.java:175)
at org.hibernate.ejb.Ejb3Configuration.addScannedEntries(Ejb3Configuration.java:489)
at org.hibernate.ejb.Ejb3Configuration.scanForClasses(Ejb3Configuration.java:851)
... 9 more
Caused by: java.lang.ClassNotFoundException: com.mypackage.tr.session.MyClass from [Module "deployment.tr.ear.tr.ejb-3.0.jar:main" from Service Module Loader]
at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:190)
at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:468)
at org.jboss.modules.ConcurrentClassLoader.performLoadClassChecked(ConcurrentClassLoader.java:456)
at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:398)
at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:120)
at org.jboss.as.jpa.hibernate4.HibernateAnnotationScanner.getPackagesInJar(HibernateAnnotationScanner.java:171)
... 11 more
I am using standalone-full.xml for the standalone configuration. I have enabled jgroups as an extension through:
<server xmlns="urn:jboss:domain:1.2">
<extensions>
<extension module="org.jboss.as.clustering.infinispan"/>
<extension module="org.jboss.as.clustering.jgroups"/>
I've verified that the module for jgroups includes org.jgroups in its dependencies, and that the jar file referenced by this dependency contains the class files for org.jgroups.ReceiverAdapter. The ear deployment worked just fine in JBAS5, so I'm hoping that this is either a quick configuration change to update the classpath for the application server. I have tried to add classpath statements to the manifest of both the ejb that references the class, as well as the containing ear, but this hasn't appeared to change things.
Thanks in advance.