File Reader failed to start. Error starting File Reader. <\s> not a valid letter for index. No incidents will be detected.

Products

• Data Loss Prevention Enforce

Issue/Introduction

Detection servers are in a "Running Selected" state.

Cause

SEVERE: File Reader failed to start. Error starting File Reader. <\s> not a valid letter for index. No incidents will be detected.

INFO: (DETECTION.4) Detection is shutting down

INFO: Stopped 0 message chains.

Resolution

Pointed out that <\s> not a valid letter for an index in the relevant Data Identifier.
Removed the affected DI from the policy as well as from the list of Data Identifier.
After starting the services, the affected Detection server will come online.