Upgrade TDM Portal Error: INFO: Error in loading the application.properties: String index out of range: -5

Products

• CA Test Data Manager (Data Finder / Grid Tools)

Issue/Introduction

We received an error when attempting to upgrade the Portal in our test domain to 4.9. 

the error message in startup.log indicates a problem with the install..

INFO|4112/0|20-03-02 09:21:46|INFO: Error in loading the application.properties: String index out of range: -5

Environment

Test Data Manager

TDM Portal

Cause

The application.properties file got corrupted during the upgrade of the TDM Portal to 4.9.

Resolution

Did an uninstall and install of TDM Portal 4.9. 
This resolved the issue.