TNS-01171: Event detection broke for dispatcher: string

Cause: The event detection mechanism for the dispatcher specified returned an error.

Action: Future attempts to detect events on this dispatcher will fail. The listener will deallocate the dispatcher and connections will no long be redirected to this dispatcher. This message is not normally visible to the user. For further details, turn on tracing and re-execute the operation. If the error persists, contact Oracle Support Services.

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