Creating a new Discover File System Scan or Endpoint Discover Scan generates an RSOD

Products

• Data Loss Prevention Core Package

Issue/Introduction

When attempting to Save a new Discover file system target, receive a red bar error:
 
An unexpected error has occurred. This could be due to one of the following: 1) Your session timed out and you selected a link that was no longer valid, 2) You used the browser back or forward button placing the system into an inconsistent state, or 3) The system experienced a temporary problem.

Environment

DLP 16.1

Oracle 19c Enterprise

Cause

Localhost log may report errors from org.apache.ojb:

SEVERE [org.apache.ojb.odmg.TransactionImpl] Could not prepare for commit
SEVERE [org.apache.ojb.odmg.TransactionImpl] Error while commit objects, do abort tx org.apache.ojb.odmg.TransactionImpl@92ca2df, Can not lock for WRITE: com.vontu.model.data.ojb.InformationMonitorImpl{141}

SEVERE [com.vontu.manager] [/SaveScanAssignment] Unexpected error occurred while processing action
SEVERE [com.vontu.manager] [/SaveScanAssignment]

Resolution

1. Refresh the page.
2. Retry creating the scan again.
3. Restart DLP Manager Service.
4. Retry creating the scan once more.