Binding EJB from server A to jndi on server B

Can I do a thing like this:
-) I deploy an EJB on a server A.
-) I bind the EJB that is deployed on the server A to jndi on a server
B. The EJB is not deployed on server B.
-) Web client that runs on server B can lookup the EJB in its local
jndi. However all calls go to the server A.
Server A and B are not in the cluster.
     Rafal

What version of WLS are you using?
Bart Jenkins, Globeflow SA
"Rafal Mantiuk" <[email protected]> wrote in message
news:[email protected]..
Can I do a thing like this:
-) I deploy an EJB on a server A.
-) I bind the EJB that is deployed on the server A to jndi on a server
B. The EJB is not deployed on server B.
-) Web client that runs on server B can lookup the EJB in its local
jndi. However all calls go to the server A.
Server A and B are not in the cluster.
Rafal

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    "Ronak Parekh" <[email protected]> wrote in message
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  • Challenge: call local ejb from remote ejb on weblogic 9.2

    Hi ALL,
    How do I call to local ejb from remote ejb object. The jar file is deployed on weblogic server 9.2, if you want get it http://geocities.yahoo.com.br/lindembe/BEAProject.jar and the source code are http://geocities.yahoo.com.br/lindembe/BEAProject.zip. It is a sample app with two ejb that works so good on JBOSS, JOnAS, but BEA Weblogic.....
    The complete problem you watch http://forum.java.sun.com/thread.jspa?threadID=768718&messageID=4387570#4387570
    or
    http://forums.bea.com/bea/message.jspa?messageID=600043148&tstart=0

    Your code in SigemFacadeBean should just do:
    InitialContext ctx = new InitialContext();
    when you lookup the local EJB. (This will work on all app servers. There's no need to put an app-server specific intial context factory in your code.)
    Also, you can remove the jndi-name setting for the local ejb from your weblogic-ejb-jar.xml. jndi-name is only applied to remote ejbs.
    -- Rob
    WLS Blog http://dev2dev.bea.com/blog/rwoollen/

  • Error in IB (When trying to import objects into ESR from SLD or from server

    Hi Experts,
    We are facing an error with the Integration builder recently. When we open Enterprise Services Repository of PI 7.1, we are able to see the GUI with objects perfectly. When we try to import an object into the repository from the server ( In ESR, choose Tools -> Import Design objects -> From Server), we are thrown with an exception...
    Error when exectuting search (QUERY_ERROR)
    & java.lang.NullPointerException
    The server throws the above two exceptions. I have pasted the logs of the error when trying to import an object from the server and also from the sld, below.
    Have any of you experieced the issue? Request you to please check this out and suggest what the problem could be. Thanks in advance.
    Regards,
    Basker
    Log of the error received when trying to import an object from the server...
    ====================================================================
    = Root Exception ===================================================
    ====================================================================
    Thrown:
    com.sap.aii.utilxi.swing.framework.ExecuteException: Error when executing search
    at com.sap.aii.ib.gui.shelp.QueryPanel.executeQuery(QueryPanel.java:582)
    at com.sap.aii.ib.gui.shelp.QueryPanel.startQuery(QueryPanel.java:595)
    at com.sap.aii.ib.gui.shelp.QueryPanel$1.run(QueryPanel.java:218)
    at com.sap.aii.utilxi.misc.thread.ThreadPool$ThreadPoolThread.run(ThreadPool.java:392)
    Caused by: java.lang.NullPointerException: null
    at com.sap.aii.utilxi.core.collections.ArrayUtil.appendArrays(ArrayUtil.java:331)
    at com.sap.aii.ib.gui.xiitem.services.XiItemServiceProvider.queryXiItems(XiItemServiceProvider.java:273)
    at com.sap.aii.ib.gui.xiitem.services.XiItemServiceProvider.queryXiItems(XiItemServiceProvider.java:241)
    at com.sap.aii.ib.gui.shelp.StandardQueryAccessor.executeQuery(StandardQueryAccessor.java:68)
    at com.sap.aii.ib.gui.shelp.QueryPanel.executeQuery(QueryPanel.java:567)
    ... 3 more
    ====================================================================
    == Content from the LogHandler =====================================
    ====================================================================
    #12 13:44:56 AWT-EventQueue-2 ERROR com.sap.aii.utilxi.swing.toolkit.ExceptionDialog: Throwable
    Thrown:
    com.sap.aii.utilxi.swing.framework.ExecuteException: Error when executing search
    at com.sap.aii.ib.gui.shelp.QueryPanel.executeQuery(QueryPanel.java:582)
    at com.sap.aii.ib.gui.shelp.QueryPanel.startQuery(QueryPanel.java:595)
    at com.sap.aii.ib.gui.shelp.QueryPanel$1.run(QueryPanel.java:218)
    at com.sap.aii.utilxi.misc.thread.ThreadPool$ThreadPoolThread.run(ThreadPool.java:392)
    Caused by: java.lang.NullPointerException: null
    at com.sap.aii.utilxi.core.collections.ArrayUtil.appendArrays(ArrayUtil.java:331)
    at com.sap.aii.ib.gui.xiitem.services.XiItemServiceProvider.queryXiItems(XiItemServiceProvider.java:273)
    at com.sap.aii.ib.gui.xiitem.services.XiItemServiceProvider.queryXiItems(XiItemServiceProvider.java:241)
    at com.sap.aii.ib.gui.shelp.StandardQueryAccessor.executeQuery(StandardQueryAccessor.java:68)
    at com.sap.aii.ib.gui.shelp.QueryPanel.executeQuery(QueryPanel.java:567)
    ... 3 more
    #11 13:44:55 Pool-Thread-0 FINE AutoLog.created.java.lang.NullPointerException: java.lang.NullPointerException
    at com.sap.aii.utilxi.core.collections.ArrayUtil.appendArrays(ArrayUtil.java:331)
    at com.sap.aii.ib.gui.xiitem.services.XiItemServiceProvider.queryXiItems(XiItemServiceProvider.java:273)
    at com.sap.aii.ib.gui.xiitem.services.XiItemServiceProvider.queryXiItems(XiItemServiceProvider.java:241)
    at com.sap.aii.ib.gui.shelp.StandardQueryAccessor.executeQuery(StandardQueryAccessor.java:68)
    at com.sap.aii.ib.gui.shelp.QueryPanel.executeQuery(QueryPanel.java:567)
    at com.sap.aii.ib.gui.shelp.QueryPanel.startQuery(QueryPanel.java:595)
    at com.sap.aii.ib.gui.shelp.QueryPanel$1.run(QueryPanel.java:218)
    at com.sap.aii.utilxi.misc.thread.ThreadPool$ThreadPoolThread.run(ThreadPool.java:392)
    #10 13:44:55 Pool-Thread-0 DEBUG AutoLog.created.java.lang.NullPointerException: null
    #9 13:44:55 Pool-Thread-0 FINE AutoLog.created.com.sap.aii.utilxi.swing.framework.ExecuteException: com.sap.aii.utilxi.swing.framework.ExecuteException: Error when executing search
    at com.sap.aii.ib.gui.shelp.QueryPanel.executeQuery(QueryPanel.java:582)
    at com.sap.aii.ib.gui.shelp.QueryPanel.startQuery(QueryPanel.java:595)
    at com.sap.aii.ib.gui.shelp.QueryPanel$1.run(QueryPanel.java:218)
    at com.sap.aii.utilxi.misc.thread.ThreadPool$ThreadPoolThread.run(ThreadPool.java:392)
    Caused by: java.lang.NullPointerException
    at com.sap.aii.utilxi.core.collections.ArrayUtil.appendArrays(ArrayUtil.java:331)
    at com.sap.aii.ib.gui.xiitem.services.XiItemServiceProvider.queryXiItems(XiItemServiceProvider.java:273)
    at com.sap.aii.ib.gui.xiitem.services.XiItemServiceProvider.queryXiItems(XiItemServiceProvider.java:241)
    at com.sap.aii.ib.gui.shelp.StandardQueryAccessor.executeQuery(StandardQueryAccessor.java:68)
    at com.sap.aii.ib.gui.shelp.QueryPanel.executeQuery(QueryPanel.java:567)
    ... 3 more
    #8 13:44:55 Pool-Thread-0 DEBUG AutoLog.created.com.sap.aii.utilxi.swing.framework.ExecuteException: Error when executing search
    #7 13:43:52 AWT-EventQueue-2 FINE AutoLog.created.com.sap.engine.services.security.exceptions.BaseLoginException: com.sap.engine.services.security.exceptions.BaseLoginException: Authentication did not succeed.
    at com.sap.engine.services.security.server.jaas.BasicPasswordLoginModule.login(BasicPasswordLoginModule.java:149)
    at com.sap.engine.services.security.login.LoginModuleLoggingWrapperImpl.login(LoginModuleLoggingWrapperImpl.java:220)
    at com.sap.engine.services.security.login.ModulesProcessAction.run(ModulesProcessAction.java:70)
    at java.security.AccessController.doPrivileged(Native Method)
    at com.sap.engine.services.security.login.FastLoginContext.login(FastLoginContext.java:218)
    at com.sap.engine.services.security.remoteimpl.login.RemoteLoginContextHelperImpl.login(RemoteLoginContextHelperImpl.java:78)
    at com.sap.engine.services.security.remoteimpl.login.RemoteLoginContextHelperImplp4_Skel.dispatch(RemoteLoginContextHelperImplp4_Skel.java:64)
    at com.sap.engine.services.rmi_p4.DispatchImpl._runInternal(DispatchImpl.java:351)
    at com.sap.engine.services.rmi_p4.server.ServerDispatchImpl.run(ServerDispatchImpl.java:70)
    at com.sap.engine.services.rmi_p4.P4Message.process(P4Message.java:62)
    at com.sap.engine.services.rmi_p4.P4Message.execute(P4Message.java:37)
    at com.sap.engine.services.cross.fca.FCAConnectorImpl.executeRequest(FCAConnectorImpl.java:872)
    at com.sap.engine.services.rmi_p4.P4Message.process(P4Message.java:53)
    at com.sap.engine.services.cross.fca.MessageReader.run(MessageReader.java:58)
    at com.sap.engine.core.thread.execution.Executable.run(Executable.java:108)
    at com.sap.engine.core.thread.execution.CentralExecutor$SingleThread.run(CentralExecutor.java:304)
    predecessor system
    com.sap.engine.services.security.exceptions.BaseLoginException: Authentication did not succeed.
    at com.sap.engine.services.security.server.jaas.BasicPasswordLoginModule.login(BasicPasswordLoginModule.java:149)
    at com.sap.engine.services.security.login.LoginModuleLoggingWrapperImpl.login(LoginModuleLoggingWrapperImpl.java:220)
    at com.sap.engine.services.security.login.ModulesProcessAction.run(ModulesProcessAction.java:70)
    at java.security.AccessController.doPrivileged(Native Method)
    at com.sap.engine.services.security.login.FastLoginContext.login(FastLoginContext.java:218)
    at com.sap.engine.services.security.remoteimpl.login.RemoteLoginContextHelperImpl.login(RemoteLoginContextHelperImpl.java:78)
    at com.sap.engine.services.security.remoteimpl.login.RemoteLoginContextHelperImplp4_Skel.dispatch(RemoteLoginContextHelperImplp4_Skel.java:64)
    at com.sap.engine.services.rmi_p4.DispatchImpl._runInternal(DispatchImpl.java:351)
    at com.sap.engine.services.rmi_p4.server.ServerDispatchImpl.run(ServerDispatchImpl.java:70)
    at com.sap.engine.services.rmi_p4.P4Message.process(P4Message.java:62)
    at com.sap.engine.services.rmi_p4.P4Message.execute(P4Message.java:37)
    at com.sap.engine.services.cross.fca.FCAConnectorImpl.executeRequest(FCAConnectorImpl.java:872)
    at com.sap.engine.services.rmi_p4.P4Message.process(P4Message.java:53)
    at com.sap.engine.services.cross.fca.MessageReader.run(MessageReader.java:58)
    at com.sap.engine.core.thread.execution.Executable.run(Executable.java:108)
    at com.sap.engine.core.thread.execution.CentralExecutor$SingleThread.run(CentralExecutor.java:304)
    #6 13:43:52 AWT-EventQueue-2 DEBUG AutoLog.created.com.sap.engine.services.security.exceptions.BaseLoginException: Authentication did not succeed.
    #5 13:43:52 AWT-EventQueue-2 FINE AutoLog.created.com.sap.engine.services.security.exceptions.BaseLoginException: com.sap.engine.services.security.exceptions.BaseLoginException: Cannot authenticate the user.
    at com.sap.engine.services.security.login.ModulesProcessAction.run(ModulesProcessAction.java:175)
    at java.security.AccessController.doPrivileged(Native Method)
    at com.sap.engine.services.security.login.FastLoginContext.login(FastLoginContext.java:218)
    at com.sap.engine.services.security.remoteimpl.login.RemoteLoginContextHelperImpl.login(RemoteLoginContextHelperImpl.java:78)
    at com.sap.engine.services.security.remoteimpl.login.RemoteLoginContextHelperImplp4_Skel.dispatch(RemoteLoginContextHelperImplp4_Skel.java:64)
    at com.sap.engine.services.rmi_p4.DispatchImpl._runInternal(DispatchImpl.java:351)
    at com.sap.engine.services.rmi_p4.server.ServerDispatchImpl.run(ServerDispatchImpl.java:70)
    at com.sap.engine.services.rmi_p4.P4Message.process(P4Message.java:62)
    at com.sap.engine.services.rmi_p4.P4Message.execute(P4Message.java:37)
    at com.sap.engine.services.cross.fca.FCAConnectorImpl.executeRequest(FCAConnectorImpl.java:872)
    at com.sap.engine.services.rmi_p4.P4Message.process(P4Message.java:53)
    at com.sap.engine.services.cross.fca.MessageReader.run(MessageReader.java:58)
    at com.sap.engine.core.thread.execution.Executable.run(Executable.java:108)
    at com.sap.engine.core.thread.execution.CentralExecutor$SingleThread.run(CentralExecutor.java:304)
    Caused by: com.sap.engine.services.security.exceptions.BaseLoginException: Authentication did not succeed.
    at com.sap.engine.services.security.server.jaas.BasicPasswordLoginModule.login(BasicPasswordLoginModule.java:149)
    at com.sap.engine.services.security.login.LoginModuleLoggingWrapperImpl.login(LoginModuleLoggingWrapperImpl.java:220)
    at com.sap.engine.services.security.login.ModulesProcessAction.run(ModulesProcessAction.java:70)
    ... 13 more
    predecessor system
    com.sap.engine.services.security.exceptions.BaseLoginException: Cannot authenticate the user.
    at com.sap.engine.services.security.login.ModulesProcessAction.run(ModulesProcessAction.java:175)
    at java.security.AccessController.doPrivileged(Native Method)
    at com.sap.engine.services.security.login.FastLoginContext.login(FastLoginContext.java:218)
    at com.sap.engine.services.security.remoteimpl.login.RemoteLoginContextHelperImpl.login(RemoteLoginContextHelperImpl.java:78)
    at com.sap.engine.services.security.remoteimpl.login.RemoteLoginContextHelperImplp4_Skel.dispatch(RemoteLoginContextHelperImplp4_Skel.java:64)
    at com.sap.engine.services.rmi_p4.DispatchImpl._runInternal(DispatchImpl.java:351)
    at com.sap.engine.services.rmi_p4.server.ServerDispatchImpl.run(ServerDispatchImpl.java:70)
    at com.sap.engine.services.rmi_p4.P4Message.process(P4Message.java:62)
    at com.sap.engine.services.rmi_p4.P4Message.execute(P4Message.java:37)
    at com.sap.engine.services.cross.fca.FCAConnectorImpl.executeRequest(FCAConnectorImpl.java:872)
    at com.sap.engine.services.rmi_p4.P4Message.process(P4Message.java:53)
    at com.sap.engine.services.cross.fca.MessageReader.run(MessageReader.java:58)
    at com.sap.engine.core.thread.execution.Executable.run(Executable.java:108)
    at com.sap.engine.core.thread.execution.CentralExecutor$SingleThread.run(CentralExecutor.java:304)
    Caused by: com.sap.engine.services.security.exceptions.BaseLoginException: Authentication did not succeed.
    at com.sap.engine.services.security.server.jaas.BasicPasswordLoginModule.login(BasicPasswordLoginModule.java:149)
    at com.sap.engine.services.security.login.LoginModuleLoggingWrapperImpl.login(LoginModuleLoggingWrapperImpl.java:220)
    at com.sap.engine.services.security.login.ModulesProcessAction.run(ModulesProcessAction.java:70)
    ... 13 more

    Hi Rajeev,
    Thanks for your inputs. I myself am a basis guy. I ve already checked all the authorizations given to the user - PISUPER, and have found it to be fine. Can't understand why this security issue crops up still. anyways, i m getting this error when trying to import an object from the server. If i try to create a new object and during the process, try to import the SCV from SLD, i m facing with an error again, of a different sort. The log says...
    ====================================================================
    = Root Exception ===================================================
    ====================================================================
    Thrown:
    com.sap.aii.utilxi.misc.api.BaseRuntimeException: Internal error during bean lookup for bean SldAccessServiceBean
         at com.sap.aii.ib.clsif.gen.BeanAccessHandler.handleRuntimeExInBusinessMethod(BeanAccessHandler.java:113)
         at com.sap.aii.ib.client.sldAccess.impl.SldAccessServiceDelegate.getSwcvLinks(SldAccessServiceDelegate.java:55)
         at com.sap.aii.ibrep.gui.workspace.WorkspaceCreatePanel.getSwcvLinksAdapter(WorkspaceCreatePanel.java:520)
         at com.sap.aii.ibrep.gui.workspace.WorkspaceCreatePanel.access$000(WorkspaceCreatePanel.java:75)
         at com.sap.aii.ibrep.gui.workspace.WorkspaceCreatePanel$4.getResult(WorkspaceCreatePanel.java:449)
         at com.sap.aii.utilxi.swing.toolkit.InterruptableProgressDialog$1.construct(InterruptableProgressDialog.java:190)
         at com.sap.aii.utilxi.swing.toolkit.SwingWorker$2.run(SwingWorker.java:126)
         at java.lang.Thread.run(Unknown Source)
    Caused by: com.sap.aii.utilxi.misc.api.BaseRuntimeException: Internal error during bean lookup for bean SldAccessServiceBean
         at com.sap.aii.ib.clsif.login.LoginServiceImpl.getHomeInterface(LoginServiceImpl.java:460)
         at com.sap.aii.ib.clsif.login.LoginServiceImpl.getBusinessInterface(LoginServiceImpl.java:425)
         at com.sap.aii.ib.clsif.gen.BeanAccessHandler.getBean(BeanAccessHandler.java:60)
         at com.sap.aii.ib.client.sldAccess.impl.SldAccessServiceDelegate.getBean(SldAccessServiceDelegate.java:79)
         at com.sap.aii.ib.client.sldAccess.impl.SldAccessServiceDelegate.getSwcvLinks(SldAccessServiceDelegate.java:49)
         ... 6 more
    Caused by: com.sap.aii.ib.core.ejbutil.HomeFactoryException: Exception during lookup operation of object with name sap.com/com.sap.xi.repository/SldAccessServiceBean, cannot resolve object reference.
         at com.sap.aii.ib.clsif.login.EJBHomeFactory.lookUpHome(EJBHomeFactory.java:381)
         at com.sap.aii.ib.clsif.login.LoginServiceImpl.getHomeInterface(LoginServiceImpl.java:456)
         ... 10 more
    Caused by: com.sap.engine.services.jndi.persistent.exceptions.NamingException: Exception during lookup operation of object with name sap.com/com.sap.xi.repository/SldAccessServiceBean, cannot resolve object reference.
         at com.sap.engine.services.jndi.implclient.ClientContext.lookup(ClientContext.java:528)
         at com.sap.engine.services.jndi.implclient.ClientContext.lookup(ClientContext.java:637)
         at javax.naming.InitialContext.lookup(Unknown Source)
         at com.sap.aii.ib.clsif.login.EJBHomeFactory.lookUpHome(EJBHomeFactory.java:353)
         ... 11 more
    Caused by: javax.naming.NamingException: Error occurs while the EJB Object Factory trying to resolve JNDI reference Reference Class Name:
    Type: clientAppName
    Content: sap.com/com.sap.xi.repository
    Type: interfaceType
    Content: remote
    Type: home
    Content: com.sap.aii.ib.sbeans.sldAccess.SldAccessServiceHome
    Type: ejb-link
    Content: SldAccessServiceBean
    Type: remote
    Content: com.sap.aii.ib.sbeans.sldAccess.SldAccessServiceRemote
    com.sap.engine.services.jndi.persistent.exceptions.NamingException: Exception while trying to get InitialContext.
         at com.sap.engine.services.jndi.InitialContextFactoryImpl.getInitialContext(InitialContextFactoryImpl.java:488)
         at javax.naming.spi.NamingManager.getInitialContext(Unknown Source)
         at javax.naming.InitialContext.getDefaultInitCtx(Unknown Source)
         at javax.naming.InitialContext.init(Unknown Source)
         at javax.naming.InitialContext.<init>(Unknown Source)
         at com.sap.engine.services.ejb3.runtime.impl.EJBObjectFactory.getObjectInstance(EJBObjectFactory.java:73)
         at com.sap.engine.services.ejb3.runtime.impl.EJBObjectFactory.getObjectInstance(EJBObjectFactory.java:58)
         at javax.naming.spi.NamingManager.getObjectInstance(Unknown Source)
         at com.sap.engine.services.jndi.implclient.ClientContext.lookup(ClientContext.java:521)
         at com.sap.engine.services.jndi.implclient.ClientContext.lookup(ClientContext.java:637)
         at javax.naming.InitialContext.lookup(Unknown Source)
         at com.sap.aii.ib.clsif.login.EJBHomeFactory.lookUpHome(EJBHomeFactory.java:353)
         at com.sap.aii.ib.clsif.login.LoginServiceImpl.getHomeInterface(LoginServiceImpl.java:456)
         at com.sap.aii.ib.clsif.login.LoginServiceImpl.getBusinessInterface(LoginServiceImpl.java:425)
         at com.sap.aii.ib.clsif.gen.BeanAccessHandler.getBean(BeanAccessHandler.java:60)
         at com.sap.aii.ib.client.sldAccess.impl.SldAccessServiceDelegate.getBean(SldAccessServiceDelegate.java:79)
         at com.sap.aii.ib.client.sldAccess.impl.SldAccessServiceDelegate.getSwcvLinks(SldAccessServiceDelegate.java:49)
         at com.sap.aii.ibrep.gui.workspace.WorkspaceCreatePanel.getSwcvLinksAdapter(WorkspaceCreatePanel.java:520)
         at com.sap.aii.ibrep.gui.workspace.WorkspaceCreatePanel.access$000(WorkspaceCreatePanel.java:75)
         at com.sap.aii.ibrep.gui.workspace.WorkspaceCreatePanel$4.getResult(WorkspaceCreatePanel.java:449)
         at com.sap.aii.utilxi.swing.toolkit.InterruptableProgressDialog$1.construct(InterruptableProgressDialog.java:190)
         at com.sap.aii.utilxi.swing.toolkit.SwingWorker$2.run(SwingWorker.java:126)
         at java.lang.Thread.run(Unknown Source)
    Caused by: java.io.IOException: Can't get Socket. Reason:Connection timed out: connect
         at com.sap.engine.interfaces.cross.io.transport.PortManager.getRealSocket(PortManager.java:284)
         at com.sap.engine.interfaces.cross.LoadBalancerImpl.getAllAccessPoints(LoadBalancerImpl.java:97)
         at com.sap.engine.interfaces.cross.CrossObjectBroker.getDestination(CrossObjectBroker.java:142)
         at com.sap.engine.services.jndi.InitialContextFactoryImpl.getInitialContext(InitialContextFactoryImpl.java:347)
         at javax.naming.spi.NamingManager.getInitialContext(Unknown Source)
         at javax.naming.InitialContext.getDefaultInitCtx(Unknown Source)
         at javax.naming.InitialContext.init(Unknown Source)
         at javax.naming.InitialContext.<init>(Unknown Source)
         at com.sap.engine.services.ejb3.runtime.impl.EJBObjectFactory.getObjectInstance(EJBObjectFactory.java:73)
         at com.sap.engine.services.ejb3.runtime.impl.EJBObjectFactory.getObjectInstance(EJBObjectFactory.java:58)
         at javax.naming.spi.NamingManager.getObjectInstance(Unknown Source)
         at com.sap.engine.services.jndi.implclient.ClientContext.lookup(ClientContext.java:521)
         at com.sap.engine.services.jndi.implclient.ClientContext.lookup(ClientContext.java:637)
         at javax.naming.InitialContext.lookup(Unknown Source)
         at com.sap.aii.ib.clsif.login.EJBHomeFactory.lookUpHome(EJBHomeFactory.java:353)
         at com.sap.aii.ib.clsif.login.LoginServiceImpl.getHomeInterface(LoginServiceImpl.java:456)
         at com.sap.aii.ib.clsif.login.LoginServiceImpl.getBusinessInterface(LoginServiceImpl.java:425)
         at com.sap.aii.ib.clsif.gen.BeanAccessHandler.getBean(BeanAccessHandler.java:60)
         at com.sap.aii.ib.client.sldAccess.impl.SldAccessServiceDelegate.getBean(SldAccessServiceDelegate.java:79)
         at com.sap.aii.ib.client.sldAccess.impl.SldAccessServiceDelegate.getSwcvLinks(SldAccessServiceDelegate.java:49)
         at com.sap.aii.ibrep.gui.workspace.WorkspaceCreatePanel.getSwcvLinksAdapter(WorkspaceCreatePanel.java:520)
         at com.sap.aii.ibrep.gui.workspace.WorkspaceCreatePanel.access$000(WorkspaceCreatePanel.java:75)
         at com.sap.aii.ibrep.gui.workspace.WorkspaceCreatePanel$4.getResult(WorkspaceCreatePanel.java:449)
         at com.sap.aii.utilxi.swing.toolkit.InterruptableProgressDialog$1.construct(InterruptableProgressDialog.java:190)
         at com.sap.aii.utilxi.swing.toolkit.SwingWorker$2.run(SwingWorker.java:126)
         at java.lang.Thread.run(Unknown Source)
         at com.sap.engine.services.ejb3.runtime.impl.EJBObjectFactory.getObjectInstance(EJBObjectFactory.java:140)
         at com.sap.engine.services.ejb3.runtime.impl.EJBObjectFactory.getObjectInstance(EJBObjectFactory.java:58)
         at javax.naming.spi.NamingManager.getObjectInstance(Unknown Source)
         at com.sap.engine.services.jndi.implclient.ClientContext.lookup(ClientContext.java:521)
         ... 14 more
    Any clues what might be the issue?
    thanks in advance,
    Regards,
    Basker

  • Error while running EJB from java client on JBOSS

    Hi
    As i am new to EJB i have created a helloworld application in ejb which is working fine when i try to call it from servlet but when i try to invoke the same ejb from java client (i.e from diff jvm) on jboss i got the following error:
    javax.naming.CommunicationException: Could not obtain connection to any of these urls: localhost:1099 and discovery failed with error: javax.naming.CommunicationException: Receive timed out [Root exception is java.net.SocketTimeoutException: Receive timed out] [Root exception is javax.naming.CommunicationException: Failed to connect to server localhost:1099 [Root exception is javax.naming.ServiceUnavailableException: Failed to connect to server localhost:1099 [Root exception is java.net.ConnectException: Connection refused]]]
         at org.jnp.interfaces.NamingContext.checkRef(NamingContext.java:1399)
         at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:579)
         at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:572)
         at javax.naming.InitialContext.lookup(InitialContext.java:351)
         at com.gl.TestClient.main(TestClient.java:39)
    Caused by: javax.naming.CommunicationException: Failed to connect to server localhost:1099 [Root exception is javax.naming.ServiceUnavailableException: Failed to connect to server localhost:1099 [Root exception is java.net.ConnectException: Connection refused]]
         at org.jnp.interfaces.NamingContext.getServer(NamingContext.java:254)
         at org.jnp.interfaces.NamingContext.checkRef(NamingContext.java:1370)
         ... 4 more
    Caused by: javax.naming.ServiceUnavailableException: Failed to connect to server localhost:1099 [Root exception is java.net.ConnectException: Connection refused]
         at org.jnp.interfaces.NamingContext.getServer(NamingContext.java:228)
         ... 5 more
    Caused by: java.net.ConnectException: Connection refused
         at java.net.PlainSocketImpl.socketConnect(Native Method)
         at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
         at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
         at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
         at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
         at java.net.Socket.connect(Socket.java:519)
         at java.net.Socket.connect(Socket.java:469)
         at java.net.Socket.<init>(Socket.java:366)
         at java.net.Socket.<init>(Socket.java:266)
         at org.jnp.interfaces.TimedSocketFactory.createSocket(TimedSocketFactory.java:69)
         at org.jnp.interfaces.TimedSocketFactory.createSocket(TimedSocketFactory.java:62)
         at org.jnp.interfaces.NamingContext.getServer(NamingContext.java:224)
         ... 5 more
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    Home Interface:
    package com.gl;
    import javax.ejb.CreateException;
    public interface testHome extends EJBHome {
         String JNDI_NAME = "testBean";
         public     test create()
         throws java.rmi.RemoteException,CreateException;
    Remote Interface:
    package com.gl;
    import java.rmi.RemoteException;
    import javax.ejb.EJBObject;
    public interface test extends EJBObject {
         public String welcomeMessage() throws RemoteException;
    Bean:
    package com.gl;
    import java.rmi.RemoteException;
    import javax.ejb.EJBException;
    import javax.ejb.SessionBean;
    import javax.ejb.SessionContext;
    public class testbean implements SessionBean {
         public void ejbActivate() throws EJBException, RemoteException {
              // TODO Auto-generated method stub
         public void ejbPassivate() throws EJBException, RemoteException {
              // TODO Auto-generated method stub
         public void ejbRemove() throws EJBException, RemoteException {
              // TODO Auto-generated method stub
         public void setSessionContext(SessionContext arg0) throws EJBException,
                   RemoteException {
              // TODO Auto-generated method stub
         public void ejbCreate(){}
         public String welcomeMessage(){
              return "Welcome to the World of EJB";
    ejb-jar.xml:
    <?xml version="1.0" encoding="UTF-8"?>
    <!DOCTYPE ejb-jar PUBLIC "-//Sun Microsystems, Inc.//DTD Enterprise JavaBeans 2.0//EN" "http://java.sun.com/dtd/ejb-jar_2_0.dtd">
    <ejb-jar>
    <enterprise-beans>
    <session>
    <ejb-name>testBean</ejb-name>
    <home>com.gl.testHome</home>
    <remote>com.gl.test</remote>
    <ejb-class>com.gl.testbean</ejb-class>
    <session-type>Stateless</session-type>
    <transaction-type>Container</transaction-type>
    </session>
    </enterprise-beans>
    </ejb-jar>
    jboss.xml:
    <?xml version='1.0' ?>
    <!DOCTYPE jboss PUBLIC "-//JBoss//DTD JBOSS 3.2//EN" "http://www.jboss.org/j2ee/dtd/jboss_3_2.dtd">
    <jboss>
    <enterprise-beans>
    <entity>
    <ejb-name>testBean</ejb-name>
    <jndi-name>testBean</jndi-name>
    </entity>
    </enterprise-beans>
    </jboss>
    Client code:
    package com.gl;
    import java.util.Properties;
    import javax.naming.Context;
    import javax.naming.InitialContext;
    import javax.rmi.PortableRemoteObject;
    public class TestClient {
         public static void main(String[] args) throws Exception{
                   try{
                   /*     Properties props=new Properties();
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                        props.put(Context.URL_PKG_PREFIXES, "org.jboss.naming:org.jnp.interfaces");
                        props.put(Context.PROVIDER_URL, "jnp://localhost:1099");
                   Properties props = new Properties();
    props.put(Context.INITIAL_CONTEXT_FACTORY,
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                        System.out.println("Properties ok");
                        //env.setProperty(Context.INITIAL_CONTEXT_FACTORY,"org.jboss.naming.HttpNamingContextFactory");
                        //env.put(Context.PROVIDER_URL,"http://localhost:8080");
                        //env.put(Context.SECURITY_PRINCIPAL, "");
                        //env.put(Context.SECURITY_CREDENTIALS, "");
                        Context ctx=new InitialContext(props);
                        System.out.println("context ok");
                        //testHome home = (testHome)ctx.lookup("testBean");
                        Object obj = ctx.lookup ("testBean");
                        System.out.println("ojb = " + obj);
                        testHome ejbHome = (testHome)PortableRemoteObject.narrow(obj,testHome.class);
                   test ejbObject = ejbHome.create();
                   String message = ejbObject.welcomeMessage();
                        System.out.println("home ok");
                        System.out.println("remote ok");
                        System.out.println(message);
                        catch(Exception e){e.printStackTrace();}
    I am able to successfully deployed my ejb on JBOSS but i m getting above error when i am trying to invoke ejb from java client.
    kindly suggest me something to solve this issue.
    Regards
    Gagan
    Edited by: Gagan2914 on Aug 26, 2008 3:28 AM

    Is it a remote lookup? Then maybe this will help:
    [http://wiki.jboss.org/wiki/JBoss42FAQ]
    - Roy

  • 'Class Cast Exception' while invoking a EJB from a Servlet

              Hi,
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              Thanks in advance,
              Dharma
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                        out.println("<HTML>");
                        out.println("<HEAD><TITLE>Contractor TimeTracker</TITLE></HEAD>");
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                        // to do: your HTML goes here.
                        out.println("</BODY>");
                        out.println("</HTML>");
                        out.close();
              

              I came across this kind of problem once. My problem went away after I upgraded
              from 5.1 SP6 to 5.1 SP8.
              "Dharma" <[email protected]> wrote:
              >
              >Hi,
              >
              >I am working on J2EE applications.I am using Webgain studio and weblogic
              >server.I
              >got a problem while invoking EJB from the servlet.
              >
              >While calling an EJB from the servlet, it is giving that "Class Cast
              >Exception".This
              >is because, the remote home reference is not able to type casted to the"Home
              >Interface"
              >of the EJB, even if I type casted explicitly. It is creating the context
              >and able
              >to identify the EJB with the JNDI name.
              >
              >Could please help me in solving this problem.I am pasting the code here.
              >
              >Thanks in advance,
              >Dharma
              >
              >
              >public void doGet(HttpServletRequest req, HttpServletResponse resp)
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              >          resp.setContentType("text/html");
              >          PrintWriter out = new PrintWriter(resp.getOutputStream());
              >
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              >
              > Context context=getInitialContext();
              >
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              >
              > ArlProjContractorAppletSessionHome home=(ArlProjContractorAppletSessionHome)PortableRemoteObject.narrow(reference,ArlProjContractorAppletSessionHome.class);
              >
              >//Exception is occuring in the above statement. It is unable
              >//to cast to the home interface          
              >
              >          ArlProjContractorAppletSession the_ejb=null;
              >
              > try
              > {
              > the_ejb=home.create();
              >
              > System.out.println("the_ejb = " + the_ejb.toString());
              >
              > }
              > catch(Exception e)
              > {
              > e.printStackTrace();
              > }
              > }
              > catch(Exception e)
              > {
              > e.printStackTrace();
              > }
              >          // to do: code goes here.
              >
              >          out.println("<HTML>");
              >          out.println("<HEAD><TITLE>Contractor TimeTracker</TITLE></HEAD>");
              >          out.println("<BODY>");
              >
              >          // to do: your HTML goes here.
              >
              >          out.println("</BODY>");
              >          out.println("</HTML>");
              >          out.close();
              >     }
              >
              >
              >
              >
              >
              

  • Can I call an EJB from the database?

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    Message was edited by:
    user510152

  • Connecting to Remote EJB from Servlet in same application

    Please help!
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              >-------------------------------------------------------------------->
              Jim wrote in message <[email protected]>...
              >Hi there,
              > Can I call EJB from JSP? Is there a particular security setting or
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              >
              >Thank you
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