[jboss-jira] [JBoss JIRA] Commented: (HIBERNATE-37) Problem in javassist instrumentation
JBoss User (JIRA)
jira-events at jboss.com
Thu Jul 13 21:39:35 EDT 2006
[ http://jira.jboss.com/jira/browse/HIBERNATE-37?page=comments#action_12339548 ]
JBoss User commented on HIBERNATE-37:
-------------------------------------
I get the same error when trying to implement the clone method:
public Object clone () {
//non-relevant code here...
Object o = super.clone();
return o;
}
> Problem in javassist instrumentation
> ------------------------------------
>
> Key: HIBERNATE-37
> URL: http://jira.jboss.com/jira/browse/HIBERNATE-37
> Project: Hibernate
> Issue Type: Bug
> Environment: JBoss 4.0.4.GA
> Hibernate 3.2 cr2
> JDK 1.5 compiler
> Reporter: Paolo Perrucci
> Assigned To: Steve Ebersole
>
> Given the following model:
> public interface I
> {
> public Long getId();
> public void setId(Long id);
> public Number m1();
> }
> public class A implements I
> {
> private Long id;
> public Long getId() { return id; }
> public void setId(Long id) { this.id = id; }
> public Integer m1() { return 0; }
> }
> <hibernate-mapping>
> <class name="A" table="as" dynamic-update="true" dynamic-insert="true">
> <id name="id" type="java.lang.Long">
> <generator class="native"/>
> </id>
> </class>
> </hibernate-mapping>
> When I deploy the har file to jboss I have the exceptions:
> 12:30:15,625 ERROR [BasicLazyInitializer] Javassist Enhancement failed: A
> java.lang.RuntimeException: duplicate method: m1
> at javassist.util.proxy.ProxyFactory.createClass(ProxyFactory.java:173)
> at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.getProxyFactory(JavassistLazyInitializer.java:141)
> at org.hibernate.proxy.pojo.javassist.JavassistProxyFactory.postInstantiate(JavassistProxyFactory.java:42)
> at org.hibernate.tuple.PojoEntityTuplizer.buildProxyFactory(PojoEntityTuplizer.java:159)
> at org.hibernate.tuple.AbstractEntityTuplizer.<init>(AbstractEntityTuplizer.java:131)
> at org.hibernate.tuple.PojoEntityTuplizer.<init>(PojoEntityTuplizer.java:50)
> at org.hibernate.tuple.TuplizerLookup.create(TuplizerLookup.java:64)
> at org.hibernate.tuple.EntityMetamodel.<init>(EntityMetamodel.java:256)
> at org.hibernate.persister.entity.AbstractEntityPersister.<init>(AbstractEntityPersister.java:418)
> at org.hibernate.persister.entity.SingleTableEntityPersister.<init>(SingleTableEntityPersister.java:108)
> at org.hibernate.persister.PersisterFactory.createClassPersister(PersisterFactory.java:55)
> at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:223)
> at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1213)
> at org.jboss.hibernate.jmx.Hibernate.buildSessionFactory(Hibernate.java:231)
> at org.jboss.hibernate.jmx.Hibernate.startService(Hibernate.java:155)
> at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289)
> at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:245)
> at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:585)
> at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
> at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
> at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
> at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
> at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
> at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:978)
> at $Proxy0.start(Unknown Source)
> at org.jboss.system.ServiceController.start(ServiceController.java:417)
> at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:585)
> at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
> at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
> at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
> at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
> at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
> at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
> at $Proxy4.start(Unknown Source)
> at org.jboss.deployment.SARDeployer.start(SARDeployer.java:302)
> at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1007)
> at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:808)
> at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:771)
> at sun.reflect.GeneratedMethodAccessor14.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:585)
> at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
> at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
> at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
> at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
> at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
> at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
> at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
> at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
> at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
> at $Proxy6.deploy(Unknown Source)
> at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:421)
> at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:634)
> at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:263)
> at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.loop(AbstractDeploymentScanner.java:274)
> at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.run(AbstractDeploymentScanner.java:225)
> Caused by: javassist.CannotCompileException: duplicate method: m1
> at javassist.bytecode.ClassFile.testExistingMethod(ClassFile.java:544)
> at javassist.bytecode.ClassFile.addMethod(ClassFile.java:528)
> at javassist.util.proxy.ProxyFactory.override(ProxyFactory.java:373)
> at javassist.util.proxy.ProxyFactory.overrideMethods(ProxyFactory.java:349)
> at javassist.util.proxy.ProxyFactory.make(ProxyFactory.java:277)
> at javassist.util.proxy.ProxyFactory.createClass(ProxyFactory.java:164)
> ... 59 more
> 12:30:15,671 WARN [PojoEntityTuplizer] could not create proxy factory for:A
> org.hibernate.HibernateException: Javassist Enhancement failed: A
> at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.getProxyFactory(JavassistLazyInitializer.java:149)
> at org.hibernate.proxy.pojo.javassist.JavassistProxyFactory.postInstantiate(JavassistProxyFactory.java:42)
> at org.hibernate.tuple.PojoEntityTuplizer.buildProxyFactory(PojoEntityTuplizer.java:159)
> at org.hibernate.tuple.AbstractEntityTuplizer.<init>(AbstractEntityTuplizer.java:131)
> at org.hibernate.tuple.PojoEntityTuplizer.<init>(PojoEntityTuplizer.java:50)
> at org.hibernate.tuple.TuplizerLookup.create(TuplizerLookup.java:64)
> at org.hibernate.tuple.EntityMetamodel.<init>(EntityMetamodel.java:256)
> at org.hibernate.persister.entity.AbstractEntityPersister.<init>(AbstractEntityPersister.java:418)
> at org.hibernate.persister.entity.SingleTableEntityPersister.<init>(SingleTableEntityPersister.java:108)
> at org.hibernate.persister.PersisterFactory.createClassPersister(PersisterFactory.java:55)
> at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:223)
> at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1213)
> at org.jboss.hibernate.jmx.Hibernate.buildSessionFactory(Hibernate.java:231)
> at org.jboss.hibernate.jmx.Hibernate.startService(Hibernate.java:155)
> at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289)
> at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:245)
> at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:585)
> at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
> at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
> at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
> at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
> at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
> at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:978)
> at $Proxy0.start(Unknown Source)
> at org.jboss.system.ServiceController.start(ServiceController.java:417)
> at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:585)
> at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
> at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
> at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
> at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
> at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
> at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
> at $Proxy4.start(Unknown Source)
> at org.jboss.deployment.SARDeployer.start(SARDeployer.java:302)
> at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1007)
> at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:808)
> at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:771)
> at sun.reflect.GeneratedMethodAccessor14.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:585)
> at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
> at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
> at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
> at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
> at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
> at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
> at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
> at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
> at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
> at $Proxy6.deploy(Unknown Source)
> at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:421)
> at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:634)
> at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:263)
> at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.loop(AbstractDeploymentScanner.java:274)
> at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.run(AbstractDeploymentScanner.java:225)
> Caused by: java.lang.RuntimeException: duplicate method: m1
> at javassist.util.proxy.ProxyFactory.createClass(ProxyFactory.java:173)
> at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.getProxyFactory(JavassistLazyInitializer.java:141)
> ... 58 more
> Caused by: javassist.CannotCompileException: duplicate method: m1
> at javassist.bytecode.ClassFile.testExistingMethod(ClassFile.java:544)
> at javassist.bytecode.ClassFile.addMethod(ClassFile.java:528)
> at javassist.util.proxy.ProxyFactory.override(ProxyFactory.java:373)
> at javassist.util.proxy.ProxyFactory.overrideMethods(ProxyFactory.java:349)
> at javassist.util.proxy.ProxyFactory.make(ProxyFactory.java:277)
> at javassist.util.proxy.ProxyFactory.createClass(ProxyFactory.java:164)
> ... 59 more
> It seems that the problem is due to how the jdk 1.5 compiler create the class A.
> Using javap you can see that A.class contains this two method:
> public java.lang.Integer m1();
> public java.lang.Number m1();
> Actually the A.class contains the same method name twice.
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