App Control: "Update failed" Error When Saving File Rule (Timeout)

Products

• Carbon Black App Control (formerly Cb Protection)

Issue/Introduction

• Error "Update failed" received when saving a file rule
• phperrors.log shows:

  API Error from page 401: POST <URL>/api/bit9platform/v1/fileRule/ with params {"sourceType":1,"reportOnly":false,"policyIds":"12,37,23,27","name":"test.exe","description":"","fileState":"2","id":32771} with options {"81":0,"64":0,"19913":1,"42":0,"156":61000,"10023":"[removed from logging]","10022":"[removed from logging]","10015":"[removed from logging]"} returned http code 400 and result [
  	    "Execution Timeout Expired.  The timeout period elapsed prior to completion of the operation or the server is not responding."

Environment

• App Control Console: Versions prior to 8.1.8

Cause

API query logic

Resolution

Upgrade the App Control server to 8.1.8+ where this issue (EP-8427) has been corrected.