Category Archives: TNS Database Error Messages

TNS-01101: Could not find service name string

oracle

TNS-01101: Could not find service name string
Cause: The service name could not be resolved by name-lookup.
Action: Verify that the listener name or service name specified to LSNRCTL has the correct name and address defined in LISTENER.ORA or in TNSNAMES.ORA.

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TNS-01100: TNS returned error number when attempting to start the listener

oracle

TNS-01100: TNS returned error number when attempting to start the listener 
Cause: The bequeath (BEQ) mechanism that LSNRCTL uses to start the listener failed. 
Action: Check to ensure that the BEQ driver is installed. If it is not, then the NSERROR code returned will be 12538 (NSENODRIVER). To fix this, reinstall Net8 and make sure that the BEQ driver is selected when it is installed. If this is not the problem then the error is probably caused by the fact that the TNSLSNR executable cannot be found in the place expected in your platform's Oracle environment. Verify that the full path name of the TNSLSNR executable as displayed by LSNRCTL is correct. 

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TNS-01099: string * string * string * string * string * string * string * string

oracle

TNS-01099: string * string * string * string * string * string * string * string
Cause: Listener logging message.
Action: No action required.

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TNS-01098: TIMESTAMP * TYPE * COMMAND * CONNECT INFO * CLIENT ADDR * PROTOCOL STACK * EFFECTS * ERROR

oracle

TNS-01098: TIMESTAMP * TYPE * COMMAND * CONNECT INFO * CLIENT ADDR * PROTOCOL STACK * EFFECTS * ERROR
Cause: Listener logging message.
Action: No action required.

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TNS-01097: TIMESTAMP * CONNECT DATA [* PROTOCOL INFO] * EVENT [* SID] * RETURN CODE

oracle

TNS-01097: TIMESTAMP * CONNECT DATA [* PROTOCOL INFO] * EVENT [* SID] * RETURN CODE
Cause: Listener logging message.
Action: No action required.

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TNS-01096: string * string * string * string * string * number

oracle

TNS-01096: string * string * string * string * string * number
Cause: Listener logging message.
Action: No action required.

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TNS-01095: string * string * string * number

oracle

TNS-01095: string * string * string * number
Cause: Listener logging message.
Action: No action required.

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TNS-01094: string * number

oracle

TNS-01094: string * number
Cause: Listener logging message.
Action: No action required.

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TNS-01093: string * string * number

oracle

TNS-01093: string * string * number
Cause: Listener logging message.
Action: No action required.

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TNS-01090: No longer listening on: string

oracle

TNS-01090: No longer listening on: string
Cause: Listener logging message.
Action: No action required.

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