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

[Shigeru Chiba (JIRA)]

    [ http://jira.jboss.com/jira/browse/JASSIST-28?page=comments#action_12345447 ] 
            
Shigeru Chiba commented on JASSIST-28:
--------------------------------------

Can you tell us more details of your test case?
For example, what object did you (de)serialize?  What do "uninitialized proxies" mean?
It is very difficult to see what happened only from the stack dump.

The best help is a simplified test case that causes the same bug.

Thank you!


> 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
>
> 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)

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