Database Error Messages

Release
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  • 23ai
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  • 19c
Updated
Jun 24, 2024

OCI-12524

TNS:listener could not resolve HANDLER_NAME given in connect descriptor

Cause

The HANDLER_NAME in the CONNECT_DATA was not found in the listener's tables for the specified SERVICE_NAME and INSTANCE_NAME.


Action

Check to make sure that the HANDLER_NAME specified is correct.