ORA-ERRORS

Hi, Sometimes You can get “TNS-12520: TNS:listener could not find available handler for requested type of server  ” error.

Hi, Sometimes You can get “ORA-12519: TNS:no appropriate service handler found  ” error.

Hi, Sometimes You can get “TNS-12519: TNS:no appropriate service handler found ” error.

Hi, Sometimes You can get “ORA-12518: TNS:listener could not hand off client connection  ” error.

Hi, Sometimes You can get “TNS-12518: TNS:listener could not hand off client connection  ” error.

Sometimes You can get ” TNS-12516: TNS:listener could not find available handler with matching protocol stack  ” error.

Hi, Sometimes You can get “TNS-12514: TNS:listener does not currently know of service requested in connect descriptor  ” error.

Hi, Sometimes You can get “TNS-12508: TNS:listener could not resolve the COMMAND given  ” error.

Hi, Sometimes You can get “TNS-12505: TNS listener does not currently know of SID given in connect descriptor  ” error.

Hi, Sometimes You can get “TNS-12504: TNS:listener was not given the SERVICE_NAME in CONNECT_DATA  ” error.