Cédric Teyton [http://community.jboss.org/people/twizol] created the discussion "hierarchy in org.hibernate.proxy.pojo.javassist.SerializableProxy ?" To view the discussion, visit: http://community.jboss.org/message/577192#577192 -------------------------------------------------------------- 15:03:04,842 INFO  [STDOUT] Hibernate: select compte0_.idCompte as idCompte0_0_, compte0_.login as login0_0_, compte0_.password as password0_0_ from compte compte0_ where compte0_.idCompte=? 15:03:05,237 INFO  [STDOUT] Hibernate: select contact0_.idContact as idContact1_, contact0_.adresse as adresse1_, contact0_.codePostal as codePostal1_, contact0_.compte_idCompte as compte10_1_, contact0_.fax as fax1_, contact0_.groupe_idGroupe as groupe11_1_, contact0_.mail as mail1_, contact0_.nom as nom1_, contact0_.prenom as prenom1_, contact0_.tel as tel1_, contact0_.ville as ville1_ from contact contact0_ where contact0_.compte_idCompte=? order by contact0_.prenom 15:03:05,302 ERROR [[ContactBookControllerContact]] Servlet.service() for servlet ContactBookControllerContact threw exception java.lang.reflect.UndeclaredThrowableException at $Proxy92.getContacts(Unknown Source) at contact.book.web.ContactBookControllerContact.doPost(ContactBookControllerContact.java:164) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) at java.lang.Thread.run(Thread.java:662) Caused by: java.io.IOException at org.jboss.serial.persister.RegularObjectPersister.readSlotWithMethod(RegularObjectPersister.java:107) at org.jboss.serial.persister.RegularObjectPersister.defaultRead(RegularObjectPersister.java:269) at org.jboss.serial.persister.RegularObjectPersister.readData(RegularObjectPersister.java:241) at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.readObjectDescriptionFromStreaming(ObjectDescriptorFactory.java:411) at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.objectFromDescription(ObjectDescriptorFactory.java:81) at org.jboss.serial.objectmetamodel.DataContainer$DataContainerInput.readObject(DataContainer.java:841) at org.jboss.serial.io.MarshalledObjectForLocalCalls.get(MarshalledObjectForLocalCalls.java:60) at org.jboss.ejb3.remoting.IsLocalInterceptor.invoke(IsLocalInterceptor.java:61) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.ejb3.stateless.StatelessRemoteProxy.invoke(StatelessRemoteProxy.java:102) ... 22 more Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.jboss.serial.persister.RegularObjectPersister.readSlotWithMethod(RegularObjectPersister.java:103) ... 31 more Caused by: java.io.IOException: The hierarchy of org.hibernate.proxy.pojo.javassist.SerializableProxy is different in your current classPath at org.jboss.serial.classmetamodel.StreamingClass.readStream(StreamingClass.java:80) at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.readObjectDescriptionFromStreaming(ObjectDescriptorFactory.java:380) at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.objectFromDescription(ObjectDescriptorFactory.java:81) at org.jboss.serial.objectmetamodel.DataContainer$DataContainerInput.readObject(DataContainer.java:841) at org.jboss.serial.persister.RegularObjectPersister.readSlotWithFields(RegularObjectPersister.java:353) at org.jboss.serial.persister.RegularObjectPersister.defaultRead(RegularObjectPersister.java:273) at org.jboss.serial.persister.RegularObjectPersister.readData(RegularObjectPersister.java:241) at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.readObjectDescriptionFromStreaming(ObjectDescriptorFactory.java:411) at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.objectFromDescription(ObjectDescriptorFactory.java:81) at org.jboss.serial.objectmetamodel.DataContainer$DataContainerInput.readObject(DataContainer.java:841) at org.jboss.serial.persister.ObjectInputStreamProxy.readObjectOverride(ObjectInputStreamProxy.java:68) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:344) at java.util.ArrayList.readObject(ArrayList.java:593) ... 36 moreHello Hi everybody, I'm currently working on a Jboss application, holding a basic "Contact Book". Everything was working fine with Hibernate and my EJb, and right now this is happening when i try to retrieve from my Web Application a list of persistent objects located in my database : 15:03:04,842 INFO  [STDOUT] Hibernate: select compte0_.idCompte as idCompte0_0_, compte0_.login as login0_0_, compte0_.password as password0_0_ from compte compte0_ where compte0_.idCompte=? 15:03:05,237 INFO  [STDOUT] Hibernate: select contact0_.idContact as idContact1_, contact0_.adresse as adresse1_, contact0_.codePostal as codePostal1_, contact0_.compte_idCompte as compte10_1_, contact0_.fax as fax1_, contact0_.groupe_idGroupe as groupe11_1_, contact0_.mail as mail1_, contact0_.nom as nom1_, contact0_.prenom as prenom1_, contact0_.tel as tel1_, contact0_.ville as ville1_ from contact contact0_ where contact0_.compte_idCompte=? order by contact0_.prenom 15:03:05,302 ERROR [[ContactBookControllerContact]] Servlet.service() for servlet ContactBookControllerContact threw exception *java.lang.reflect.UndeclaredThrowableException* at $Proxy92.getContacts(Unknown Source) at contact.book.web.ContactBookControllerContact.doPost(ContactBookControllerContact.java:164) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) at java.lang.Thread.run(Thread.java:662) *Caused by: java.io.IOException* at org.jboss.serial.persister.RegularObjectPersister.readSlotWithMethod(RegularObjectPersister.java:107) at org.jboss.serial.persister.RegularObjectPersister.defaultRead(RegularObjectPersister.java:269) at org.jboss.serial.persister.RegularObjectPersister.readData(RegularObjectPersister.java:241) at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.readObjectDescriptionFromStreaming(ObjectDescriptorFactory.java:411) at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.objectFromDescription(ObjectDescriptorFactory.java:81) at org.jboss.serial.objectmetamodel.DataContainer$DataContainerInput.readObject(DataContainer.java:841) at org.jboss.serial.io.MarshalledObjectForLocalCalls.get(MarshalledObjectForLocalCalls.java:60) at org.jboss.ejb3.remoting.IsLocalInterceptor.invoke(IsLocalInterceptor.java:61) at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) at org.jboss.ejb3.stateless.StatelessRemoteProxy.invoke(StatelessRemoteProxy.java:102) ... 22 more *Caused by: java.lang.reflect.InvocationTargetException* at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.jboss.serial.persister.RegularObjectPersister.readSlotWithMethod(RegularObjectPersister.java:103) ... 31 more *Caused by: java.io.IOException: The hierarchy of org.hibernate.proxy.pojo.javassist.SerializableProxy is different in your current classPath* at org.jboss.serial.classmetamodel.StreamingClass.readStream(StreamingClass.java:80) at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.readObjectDescriptionFromStreaming(ObjectDescriptorFactory.java:380) at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.objectFromDescription(ObjectDescriptorFactory.java:81) at org.jboss.serial.objectmetamodel.DataContainer$DataContainerInput.readObject(DataContainer.java:841) at org.jboss.serial.persister.RegularObjectPersister.readSlotWithFields(RegularObjectPersister.java:353) at org.jboss.serial.persister.RegularObjectPersister.defaultRead(RegularObjectPersister.java:273) at org.jboss.serial.persister.RegularObjectPersister.readData(RegularObjectPersister.java:241) at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.readObjectDescriptionFromStreaming(ObjectDescriptorFactory.java:411) at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.objectFromDescription(ObjectDescriptorFactory.java:81) at org.jboss.serial.objectmetamodel.DataContainer$DataContainerInput.readObject(DataContainer.java:841) at org.jboss.serial.persister.ObjectInputStreamProxy.readObjectOverride(ObjectInputStreamProxy.java:68) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:344) at java.util.ArrayList.readObject(ArrayList.java:593) ... 36 more To be really honest, i don't understand what this error means... Could someone please help to me figure out this? Thanks a lot ! Cédric -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/577192#577192] Start a new discussion in Javassist Development at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]