ORA-12548
        TNS:incomplete read or write
        
        
        Cause
        A data send or receive failed.
        Action
        Not normally visible to the user. For further details, turn on tracing and reexecute the operation. If error persists, contact Oracle Customer Support.
        
     
    
    
        ORA-12548
        TNS:incomplete read or write
        
        
        Cause
        A data send or receive failed.
        Action
        Not normally visible to the user. For further details, turn on tracing and reexecute the operation. If error persists, contact Oracle Customer Support.
        
     
    
    
        ORA-12548
        TNS:incomplete read or write
        
        
        Cause
        A data send or receive failed.
        Action
        Not normally visible to the user. For further details, turn on tracing and reexecute the operation. If error persists, contact Oracle Customer Support.