Hi, I am getting org.hibernate.exception.GenericJDBCException: Cannot open connection while running hibernate program.I have installed Oracle 10g express edition.The description is as follows: Exception in thread "main" org.hibernate.exception.GenericJDBCException: Cannot open connection at org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:103) at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:91) at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43) at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:29) at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:420) at org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:144) at org.hibernate.jdbc.JDBCContext.connection(JDBCContext.java:119) at org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:57) at org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1326) at com.java.project.hibernate.StoreData.main(StoreData.java:22) Caused by: java.sql.SQLException: Listener refused the connection with the following error: ORA-12518, TNS:listener could not hand off client connection The Connection descriptor used by the client was: localhost:1521:XE Please tell me the solution. Regards, Niyaz
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