CA Web 12.1 viewer constantly needs recycling

Products

• Output Management Web Viewer

Issue/Introduction

Users receive the following error message when trying to log in "CA output management web viewer has experienced a problem, and your session has now closed"
Tasks are then recycled and they can log on however this is a constant occurrence happening daily.

 

 

Environment

Release : 12.1

Component : CA OUTPUT MANAGEMENT WEB VIEWER

WBVLUW

Internal Derby Database

Apache Tomcat

Cause

WebViewer Tomcat keeps unexpectedly signing out of DERBY database on SYSG and, thereafter, it seems to freeze until task is recycled. 

Resolution

Deleting the runtime DB cache (Derby) resolved the problem.