We are using Jonas2.1 under NT4.0. for a while, all our developed EJBs are running without any proplem. Yesterday we installed Jonas on Linux running the same Java virtual machine (version 1.2.2) and the same configurations like on NT. Jonas even starts perfectly with all our Beans, but using some of the Beans are causing the following exception (no exception under NT). postinvoke: System Exception in a home method:java.lang.StringIndexOutOfBoundsException: String index out of range: -1 Look also at the end of the mail for the used code in the EquipmentSessionBean where the exception occurs: more details: JOnAS Server, version 2.1.1, running on rmi. Mapping datasource jdbc:oracle:thin:@128.0.0.13:1521 on jdbc_1 EJBHome:SessionBeans.AddTrackingUnitSession.JOnASAddTrackingUnitSessionBeanH ome for AddTrackingUnitSessionBean available EJBHome:SessionBeans.CreatePJobSession.JOnASCreatePJobSessionBeanHome for CreatePJobSessionBean available EJBHome:SessionBeans.EquipmentSession.JOnASEquipmentSessionBeanHome for EquipmentSessionBean available EJBHome:EntityBeans.EquipmentEntity.JOnASEquipmentEntityBeanHome for EquipmentEntityBean available EJBHome:SessionBeans.GetPJobContentsSession.JOnASGetPJobContentsSessionBeanH ome for GetPJobContentsSessionBean available EJBHome:SessionBeans.PJobTypeSession.JOnASPJobTypeSessionBeanHome for PJobTypeSessionBean available EJBHome:EntityBeans.PJobTypeEntity.JOnASPJobTypeEntityBeanHome for PJobTypeEntityBean available EJBHome:SessionBeans.ProcessJobSession.JOnASProcessJobSessionBeanHome for ProcessJobSessionBean available EJBHome:EntityBeans.ProcessJobEntity.JOnASProcessJobEntityBeanHome for ProcessJobEntityBean available EJBHome:SessionBeans.TrackingUnitSession.JOnASTrackingUnitSessionBeanHome for TrackingUnitSessionBean available EJBHome:EntityBeans.TrackingUnitEntity.JOnASTrackingUnitEntityBeanHome for TrackingUnitEntityBean available EJBHome:SessionBeans.GetPJobListSession.JOnASGetPJobListSessionBeanHome for GetPJobListSessionBean available EJBServer is ready -> setSessionContext() <- setSessionContext() -> run CMD/A="createPJob" APPLICATION/A="GUI" CONTENTS/L[2]=[EQ_NAME/A="STEPPER-9" PJOB_TYPE/I4=1] Connecting to the ProcessJobSessionHome and create a ProcessJobSession -> getHome() ... for ProcessJobSessionHome interface SessionBeans.ProcessJobSession.ProcessJobSessionHome <- getHome() Connected to ProcessJobSessionHome and ProcessJobSession created Connecting to the EquipmentSessionHome and create a EquipmentSession -> getHome() ... for EquipmentSessionHome interface SessionBeans.EquipmentSession.EquipmentSessionHome <- getHome() Connected to EquipmentSessionHome and EquipmentSession created Connecting to the PJobTypeSessionHome and create a PJobTypeSession -> getHome() ... for PJobTypeSessionHome interface SessionBeans.PJobTypeSession.PJobTypeSessionHome <- getHome() Connected to PJobTypeSessionHome and PJobTypeSession created Look for EQ_ID in VfeiString no EQ_ID in VfeiString found ... but EQ_NAME = (STEPPER-9) found. -> setSessionContext() <- setSessionContext() -> getHome() ... for EquipmentEntityHome interface EntityBeans.EquipmentEntity.EquipmentEntityHome ESB1 jndiContext:javax.naming.InitialContext@32692812 ESB2 <- getHome() -> getFirstEntityByName() 1 2 -> getHome() ... for EquipmentEntityHome interface EntityBeans.EquipmentEntity.EquipmentEntityHome ESB1 jndiContext:javax.naming.InitialContext@2d052812 ESB2 <- getHome() 1 name = STEPPER-9 postinvoke: System Exception in a home method:java.lang.StringIndexOutOfBoundsException: String index out of range: -1 java.rmi.ServerException: RemoteException occurred in server thread; nested exception is: javax.transaction.TransactionRolledbackException: System exception in business method javax.transaction.TransactionRolledbackException: System exception in business method at sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteC all.java:245) at sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java, Compiled Code) at sun.rmi.server.UnicastRef.invoke(UnicastRef.java, Compiled Code) at org.objectweb.jonas.rmifilters.RemoteStub.invoke(RemoteStub.java, Compiled Code) at EntityBeans.EquipmentEntity.JOnASEquipmentEntityBeanHome_Stub.findByNAME(JOn ASEquipmentEntityBeanHome_Stub.java:216) at SessionBeans.EquipmentSession.EquipmentSessionBean.getFirstEntityByName(Equi pmentSessionBean.java:355) at SessionBeans.EquipmentSession.JOnASEquipmentSessionBeanRemote.getFirstEntity ByName(JOnASEquipmentSessionBeanRemote.java:333) at SessionBeans.EquipmentSession.JOnASEquipmentSessionBeanRemote_Skel.dispatch( JOnASEquipmentSessionBeanRemote_Skel.java:309) at sun.rmi.server.UnicastServerRef.oldDispatch(UnicastServerRef.java, Compiled Code) at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java, Compiled Code) at sun.rmi.transport.Transport$1.run(Transport.java, Compiled Code) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.Transport.serviceCall(Transport.java, Compiled Code) at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java, Compiled Code) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java, Compiled Code) at java.lang.Thread.run(Thread.java, Compiled Code) System Exception in business method:javax.ejb.EJBException Cannot set transaction as rollback only java.rmi.ServerException: RemoteException occurred in server thread; nested exception is: javax.transaction.TransactionRolledbackException: System exception in business method javax.transaction.TransactionRolledbackException: System exception in business method at sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteC all.java, Compiled Code) at sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java, Compiled Code) at sun.rmi.server.UnicastRef.invoke(UnicastRef.java, Compiled Code) at org.objectweb.jonas.rmifilters.RemoteStub.invoke(RemoteStub.java, Compiled Code) at SessionBeans.EquipmentSession.JOnASEquipmentSessionBeanRemote_Stub.getFirstE ntityByName(JOnASEquipmentSessionBeanRemote_Stub.java:398) at SessionBeans.CreatePJobSession.CreatePJobSessionBean.run(CreatePJobSessionBe an.java:152) at SessionBeans.CreatePJobSession.JOnASCreatePJobSessionBeanRemote.run(JOnASCre atePJobSessionBeanRemote.java:55) at SessionBeans.CreatePJobSession.JOnASCreatePJobSessionBeanRemote_Skel.dispatc h(JOnASCreatePJobSessionBeanRemote_Skel.java:119) at sun.rmi.server.UnicastServerRef.oldDispatch(UnicastServerRef.java, Compiled Code) at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java, Compiled Code) at sun.rmi.transport.Transport$1.run(Transport.java, Compiled Code) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.Transport.serviceCall(Transport.java, Compiled Code) at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java, Compiled Code) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java, Compiled Code) at java.lang.Thread.run(Thread.java, Compiled Code) Exception: javax.ejb.EJBException System exc. => Rollback the transaction. System Exception in business method:javax.ejb.EJBException javax.naming.NameNotFoundException: PJobTypeEntityHome at com.sun.jndi.rmi.registry.RegistryContext.lookup(RegistryContext.java, Compiled Code) at com.sun.jndi.rmi.registry.RegistryContext.lookup(RegistryContext.java, Compiled Code) at javax.naming.InitialContext.lookup(InitialContext.java, Compiled Code) at SessionBeans.PJobTypeSession.PJobTypeSessionBean.getHome(PJobTypeSessionBean .java:436) at SessionBeans.PJobTypeSession.PJobTypeSessionBean.ejbCreate(PJobTypeSessionBe an.java:395) at SessionBeans.PJobTypeSession.JOnASPJobTypeSessionBeanHome.callejbCreate(JOnA SPJobTypeSessionBeanHome.java:66) at org.objectweb.jonas.container.JBeanSession.createContext(JBeanSession.java, Compiled Code) at org.objectweb.jonas.container.JBeanSession.getContextFromPool(JBeanSession.j ava, Compiled Code) at org.objectweb.jonas.container.JBeanSession.getContext(JBeanSession.java, Compiled Code) at org.objectweb.jonas.container.JBeanSession.removeInstance(JBeanSession.java, Compiled Code) at org.objectweb.jonas.container.JSessionHome.unregister(JSessionHome.java, Compiled Code) at org.objectweb.jonas.container.JContainerImpl.removeBeans(JContainerImpl.java , Compiled Code) at org.objectweb.jonas.container.EJBServiceImpl.removeContainer(EJBServiceImpl. java, Compiled Code) at org.objectweb.jonas.container.EJBServiceImpl.removeContainers(EJBServiceImpl .java:171) at org.objectweb.jonas.adm.Adm.stopServer(Adm.java:220) at org.objectweb.jonas.adm.Adm_Skel.dispatch(Unknown Source) at sun.rmi.server.UnicastServerRef.oldDispatch(UnicastServerRef.java, Compiled Code) at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java, Compiled Code) at sun.rmi.transport.Transport$1.run(Transport.java, Compiled Code) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.Transport.serviceCall(Transport.java, Compiled Code) at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java, Compiled Code) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java, Compiled Code) at java.lang.Thread.run(Thread.java, Compiled Code) Remote Exception caught on setSessionContext Get the following exception on ejbRemove java.rmi.RemoteException: Exception thrown in ejbCreate() at SessionBeans.PJobTypeSession.JOnASPJobTypeSessionBeanHome.callejbCreate(JOnA SPJobTypeSessionBeanHome.java:68) at org.objectweb.jonas.container.JBeanSession.createContext(JBeanSession.java, Compiled Code) at org.objectweb.jonas.container.JBeanSession.getContextFromPool(JBeanSession.j ava, Compiled Code) at org.objectweb.jonas.container.JBeanSession.getContext(JBeanSession.java, Compiled Code) at org.objectweb.jonas.container.JBeanSession.removeInstance(JBeanSession.java, Compiled Code) at org.objectweb.jonas.container.JSessionHome.unregister(JSessionHome.java, Compiled Code) at org.objectweb.jonas.container.JContainerImpl.removeBeans(JContainerImpl.java , Compiled Code) at org.objectweb.jonas.container.EJBServiceImpl.removeContainer(EJBServiceImpl. java, Compiled Code) at org.objectweb.jonas.container.EJBServiceImpl.removeContainers(EJBServiceImpl .java:171) at org.objectweb.jonas.adm.Adm.stopServer(Adm.java:220) at org.objectweb.jonas.adm.Adm_Skel.dispatch(Unknown Source) at sun.rmi.server.UnicastServerRef.oldDispatch(UnicastServerRef.java, Compiled Code) at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java, Compiled Code) at sun.rmi.transport.Transport$1.run(Transport.java, Compiled Code) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.Transport.serviceCall(Transport.java, Compiled Code) at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java, Compiled Code) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java, Compiled Code) at java.lang.Thread.run(Thread.java, Compiled Code) ---------------------------------------------------------------------------- ------------------------------------- the code where the exception occurs: /* ************************************************************************* */ /** Get first entity by name */ public EJBObject getFirstEntityByName(String name) { log("-> getFirstEntityByName()"); Enumeration enum = null; try { log("1 name = " + name); enum = home.findByNAME(name); log("2 enum = " + enum); } catch(RemoteException e) { e.printStackTrace(); throw new EJBException(e); } catch(FinderException e) { e.printStackTrace(); throw new EJBException(e); } log("<- getFirstEntityByName()"); if (enum.hasMoreElements()) { return (EJBObject)enum.nextElement(); } else { return null; } } ---- To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "unsubscribe jonas-users". 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