Use oracle native sequence

How one can use oracle native sequence in Insert/update in a Toplink POJO?
Thanks in advance...

Just set the Oracle Sequence name as the descriptor's sequence name (ClassDescriptor.setSequenceName()), and configure your Session to use native sequencing.
If you are using JPA you need to use a @SequenceGenerator see,
http://en.wikibooks.org/wiki/Java_Persistence/Identity_and_Sequencing#Sequence_objects
James : http://www.eclipselink.org

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    check [url http://mjabr.wordpress.com/2011/03/11/make-sequence-number-as-default-value/]Set an attribute’s default value with a sequence number

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    Karthik
    Edited by: KARTHIK1 on Oct 15, 2009 4:38 PM

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    at com.ibm.CORBA.iiop.ClientDelegate.invoke(ClientDelegate.java:1084)
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    at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDispatcher.java:555)
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    at com.ibm.ws.webcontainer.srt.WebAppInvoker.doForward(WebAppInvoker.java:119)
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    at com.ibm.rmi.util.ProxyUtil.invokeWithClassLoaders(ProxyUtil.java:701)
    at com.ibm.CORBA.iiop.ClientDelegate.invoke(ClientDelegate.java:1084)
    at $Proxy1.getNextVal(Unknown Source)
    at com.rajeev._SeqBean_Stub.getNextVal(_SeqBean_Stub.java:257)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java)
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    at java.lang.reflect.Method.invoke(Method.java)
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    at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleServlet.java:116)
    at com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java:283)
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    at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDispatcher.java:555)
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    at com.ibm.ws.webcontainer.srt.WebAppInvoker.doForward(WebAppInvoker.java:119)
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    at com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListener.java:334)
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    at com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java:618)
    at com.ibm.ws.http.HttpConnection.run(HttpConnection.java:439)
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    at javax.transaction.SystemException.<init>(SystemException.java:39)
    at com.ibm.ws.Transaction.JTA.TransactionImpl.enlistResource(TransactionImpl.java:1917)
    at com.ibm.ws.Transaction.JTA.TranManagerSet.enlist(TranManagerSet.java:494)
    at com.ibm.ejs.j2c.XATransactionWrapper.enlist(XATransactionWrapper.java:602)
    at com.ibm.ejs.j2c.ConnectionEventListener.interactionPending(ConnectionEventListener.java:745)
    at com.ibm.ws.rsadapter.spi.WSRdbManagedConnectionImpl.processInteractionPendingEvent(WSRdbManagedConnectionImpl.java:1446)
    at com.ibm.ws.rsadapter.jdbc.WSJdbcConnection.beginTransactionIfNecessary(WSJdbcConnection.java:329)
    at com.ibm.ws.rsadapter.jdbc.WSJdbcConnection.getMetaData(WSJdbcConnection.java:1037)
    at com.ibm.db.db.base.DatabaseConnection.getConnectionMetaData(DatabaseConnection.java)
    at com.ibm.db.db.DatabaseConnection.propagateAutoCommit(DatabaseConnection.java)
    at com.ibm.db.db.DatabaseConnection.connect(DatabaseConnection.java)
    at com.ibm.db.db.Statement.connect(Statement.java)
    at com.ibm.db.db.SelectStatement.execute(SelectStatement.java)
    at com.ibm.db.beans.DBSelect.execute(DBSelect.java)
    at com.rajeev.SeqBeanBean.getNextVal(SeqBeanBean.java:18)
    at com.rajeev.EJSRemoteStatelessSeqBean_25304796.getNextVal(EJSRemoteStatelessSeqBean_25304796.java:22)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java)
    at java.lang.reflect.Method.invoke(Method.java)
    at com.ibm.rmi.util.ProxyUtil$4.run(ProxyUtil.java:703)
    at java.security.AccessController.doPrivileged(AccessController.java:189)
    at com.ibm.rmi.util.ProxyUtil.invokeWithClassLoaders(ProxyUtil.java:701)
    at com.ibm.CORBA.iiop.ClientDelegate.invoke(ClientDelegate.java:1084)
    at $Proxy1.getNextVal(Unknown Source)
    at com.rajeev._SeqBean_Stub.getNextVal(_SeqBean_Stub.java:257)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java)
    at java.lang.reflect.Method.invoke(Method.java)
    at com.ibm.etools.utc.model.ReflectionMethodModel.invoke(ReflectionMethodModel.java:68)
    at com.ibm.etools.utc.servlet.InvokeServlet.invoke(InvokeServlet.java:110)
    at com.ibm.etools.utc.servlet.InvokeServlet.doPost(InvokeServlet.java:366)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
    at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletInstance.java:110)
    at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycleServlet.java:174)
    at com.ibm.ws.webcontainer.servlet.IdleServletState.service(StrictLifecycleServlet.java:313)
    at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleServlet.java:116)
    at com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java:283)
    at com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServletReferenceState.java:42)
    at com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstanceReference.java:40)
    at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(WebAppRequestDispatcher.java:974)
    at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDispatcher.java:555)
    at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java:200)
    at com.ibm.ws.webcontainer.srt.WebAppInvoker.doForward(WebAppInvoker.java:119)
    at com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker.java:276)
    at com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(CachedInvocation.java:71)
    at com.ibm.ws.webcontainer.cache.invocation.CacheableInvocationContext.invoke(CacheableInvocationContext.java:114)
    at com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletRequestProcessor.java:186)
    at com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListener.java:334)
    at com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.java:56)
    at com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java:618)
    at com.ibm.ws.http.HttpConnection.run(HttpConnection.java:439)
    at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java)
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    at java.lang.Throwable.<init>(Throwable.java)
    at javax.resource.ResourceException.<init>(ResourceException.java:73)
    at com.ibm.ejs.j2c.XATransactionWrapper.enlist(XATransactionWrapper.java:703)
    at com.ibm.ejs.j2c.ConnectionEventListener.interactionPending(ConnectionEventListener.java:745)
    at com.ibm.ws.rsadapter.spi.WSRdbManagedConnectionImpl.processInteractionPendingEvent(WSRdbManagedConnectionImpl.java:1446)
    at com.ibm.ws.rsadapter.jdbc.WSJdbcConnection.beginTransactionIfNecessary(WSJdbcConnection.java:329)
    at com.ibm.ws.rsadapter.jdbc.WSJdbcConnection.getMetaData(WSJdbcConnection.java:1037)
    at com.ibm.db.db.base.DatabaseConnection.getConnectionMetaData(DatabaseConnection.java)
    at com.ibm.db.db.DatabaseConnection.propagateAutoCommit(DatabaseConnection.java)
    at com.ibm.db.db.DatabaseConnection.connect(DatabaseConnection.java)
    at com.ibm.db.db.Statement.connect(Statement.java)
    at com.ibm.db.db.SelectStatement.execute(SelectStatement.java)
    at com.ibm.db.beans.DBSelect.execute(DBSelect.java)
    at com.rajeev.SeqBeanBean.getNextVal(SeqBeanBean.java:18)
    at com.rajeev.EJSRemoteStatelessSeqBean_25304796.getNextVal(EJSRemoteStatelessSeqBean_25304796.java:22)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java)
    at java.lang.reflect.Method.invoke(Method.java)
    at com.ibm.rmi.util.ProxyUtil$4.run(ProxyUtil.java:703)
    at java.security.AccessController.doPrivileged(AccessController.java:189)
    at com.ibm.rmi.util.ProxyUtil.invokeWithClassLoaders(ProxyUtil.java:701)
    at com.ibm.CORBA.iiop.ClientDelegate.invoke(ClientDelegate.java:1084)
    at $Proxy1.getNextVal(Unknown Source)
    at com.rajeev._SeqBean_Stub.getNextVal(_SeqBean_Stub.java:257)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java)
    at java.lang.reflect.Method.invoke(Method.java)
    at com.ibm.etools.utc.model.ReflectionMethodModel.invoke(ReflectionMethodModel.java:68)
    at com.ibm.etools.utc.servlet.InvokeServlet.invoke(InvokeServlet.java:110)
    at com.ibm.etools.utc.servlet.InvokeServlet.doPost(InvokeServlet.java:366)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
    at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletInstance.java:110)
    at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycleServlet.java:174)
    at com.ibm.ws.webcontainer.servlet.IdleServletState.service(StrictLifecycleServlet.java:313)
    at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleServlet.java:116)
    at com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java:283)
    at com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServletReferenceState.java:42)
    at com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstanceReference.java:40)
    at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(WebAppRequestDispatcher.java:974)
    at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDispatcher.java:555)
    at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java:200)
    at com.ibm.ws.webcontainer.srt.WebAppInvoker.doForward(WebAppInvoker.java:119)
    at com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker.java:276)
    at com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(CachedInvocation.java:71)
    at com.ibm.ws.webcontainer.cache.invocation.CacheableInvocationContext.invoke(CacheableInvocationContext.java:114)
    at com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletRequestProcessor.java:186)
    at com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListener.java:334)
    at com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.java:56)
    at com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java:618)
    at com.ibm.ws.http.HttpConnection.run(HttpConnection.java:439)
    at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java)
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    <!NAME[C:\usr\sap\J2E\JC00\SDM\program\log\sdmcl20051220205339.log]/>
    <!PATTERN[sdmcl20051220205339.log]/>
    <!FORMATTER[com.sap.tc.logging.TraceFormatter(%24d %s: %m)]/>
    <!ENCODING[Cp1252]/>
    <!LOGHEADER[END]/>
    Dec 20, 2005 3:53:39 PM  Info: -
    Starting deployment -
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    Dec 20, 2005 3:53:39 PM  Info: Loading archive 'C:\usr\sap\J2E\JC00\SDM\program\temp\temp856850022Ear.ear'
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    05/12/20 15:53:40 -  ***********************************************************
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    05/12/20 15:53:41 -  ***********************************************************
    Dec 20, 2005 3:53:41 PM  Info: End of log messages of the target system.
    Dec 20, 2005 3:53:41 PM  Info: ***** End of SAP J2EE Engine Deployment (J2EE Application) *****
    Dec 20, 2005 3:53:41 PM  Error: Aborted: development component '50022Ear'/'sap.com'/'localhost'/'2005.12.20.15.53.28':
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    Dec 20, 2005 3:53:41 PM  Error: -
    At least one of the Deployments failed -

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    </data-source-aliases>
    Regards,
    S.Divakar

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