[jboss-jira] [JBoss JIRA] Resolved: (JASSIST-28) javassist enhancement failed on deserializing hibernate proxies

javassist enhancement failed on deserializing hibernate proxies --------------------------------------------------------------- Key: JASSIST-28 URL: http://jira.jboss.com/jira/browse/JASSIST-28 Project: Javassist Issue Type: Bug Environment: hibernate 3.2.0GA, javassist 3.3, jboss 4.0.4GA Reporter: Armin Haaf Assigned To: Shigeru Chiba Attachments: JavassistLazyInitializer.java, TestJavassist.tgz, TestJavassistSerializationPerformance.java on deserializing objects load by hibernate on a jbossas with uninitialized proxies we the following exception on a performance/concurrent testing: Exception in thread "Thread-7" org.hibernate.HibernateException: Javassist Enhancement failed: de.mueller.wms.base.model.impl.StorageImpl at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.getProxy(JavassistLazyInitializer.java:88) at org.hibernate.proxy.pojo.javassist.SerializableProxy.readResolve(SerializableProxy.java:54) at sun.reflect.GeneratedMethodAccessor1.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at java.io.ObjectStreamClass.invokeReadResolve(ObjectStreamClass.java:1033) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1728) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1305) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1908) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1832) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1719) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1305) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1908) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1832) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1719) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1305) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:348) at org.jboss.aop.joinpoint.InvocationResponse.readExternal(InvocationResponse.java:122) at java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1755) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1717) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1305) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1908) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1832) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1719) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1305) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:348) at org.jboss.remoting.serialization.impl.java.JavaSerializationManager.receiveObject(JavaSerializationManager.java:128) at org.jboss.remoting.marshal.serializable.SerializableUnMarshaller.read(SerializableUnMarshaller.java:66) at org.jboss.remoting.transport.socket.SocketClientInvoker.transport(SocketClientInvoker.java:279) at org.jboss.remoting.RemoteClientInvoker.invoke(RemoteClientInvoker.java:143) at org.jboss.remoting.Client.invoke(Client.java:525) at org.jboss.remoting.Client.invoke(Client.java:488) at org.jboss.aspects.remoting.InvokeRemoteInterceptor.invoke(InvokeRemoteInterceptor.java:55) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.aspects.tx.ClientTxPropagationInterceptor.invoke(ClientTxPropagationInterceptor.java:61) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.aspects.security.SecurityClientInterceptor.invoke(SecurityClientInterceptor.java:55) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.ejb3.remoting.IsLocalInterceptor.invoke(IsLocalInterceptor.java:65) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.ejb3.stateless.StatelessRemoteProxy.invoke(StatelessRemoteProxy.java:102) at $Proxy2.executeCommand(Unknown Source) at de.mueller.wms.base.service.JndiRemoteLookupDelegateImpl$CommandExecutionInvocationHandler.invoke(JndiRemoteLookupDelegateImpl.java:57) at $Proxy1.changeStock(Unknown Source) at de.mueller.wms.base.TestJBossPerformance$1.run(TestJBossPerformance.java:58) Caused by: java.lang.RuntimeException: by java.lang.LinkageError: duplicate class definition: de/mueller/wms/base/model/impl/StorageImpl_$$_javassist_1272 at javassist.util.proxy.ProxyFactory.createClass(ProxyFactory.java:174) at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.getProxy(JavassistLazyInitializer.java:79) ... 44 more Caused by: javassist.CannotCompileException: by java.lang.LinkageError: duplicate class definition: de/mueller/wms/base/model/impl/StorageImpl_$$_javassist_1272 at javassist.util.proxy.FactoryHelper.toClass(FactoryHelper.java:167) at javassist.util.proxy.ProxyFactory.createClass(ProxyFactory.java:170) ... 45 more Caused by: java.lang.LinkageError: duplicate class definition: de/mueller/wms/base/model/impl/StorageImpl_$$_javassist_1272 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:620) at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at javassist.util.proxy.FactoryHelper.toClass(FactoryHelper.java:159) ... 46 more The performance is also very bad in comparison with cglib proxies (in our performance test with cglib proxies the test runs 3x faster)