TNS-12518
        TNS:listener could not hand off client connection
        
        
        Cause
        The process of handing off a client connection to another process failed.
        Action
        Turn on listener tracing and re-execute the operation. Verify that the listener and database instance are properly configured for direct handoff.  If problem persists, call Oracle Support.
        
     
    
    
        TNS-12518
        TNS:listener could not hand off client connection
        
        
        Cause
        The process of handing off a client connection to another process failed.
        Action
        Turn on listener tracing and re-execute the operation. Verify that the listener and database instance are properly configured for direct handoff.  If problem persists, call Oracle Support.
        
     
    
    
        TNS-12518
        TNS:listener could not hand off client connection
        
        
        Cause
        The process of handing off a client connection to another process failed.
        Action
        Turn on listener tracing and re-execute the operation. Verify that the listener and database instance are properly configured for direct handoff.  If problem persists, call Oracle Support.