Database Error Messages

Release
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  • 23ai
  • 21c
  • 19c
Updated
Jun 24, 2024

OCI-12509

TNS:listener failed to redirect client to service handler

Cause

The dispatcher terminated unexpectedly


Action

Attempt to connect again and if the same error occurs, contact the DBA to check the state of the dispatchers for this SID. If the problem persists, turn on tracing in the listener to determine the TNS error caused by the redirect.