DevTest Error - com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed.

Products

• CA Application Test
• CA Continuous Application Insight (PathFinder)

Issue/Introduction

After running for several days seeing Errors in the log: 
- Database error recovering from misfires 
- Failed restore connection's original auto commit setting. 
- BeanCreationNotAllowedException occurred when processing request: [POST] /api/v1/dradis/registries/Registry%40devbsv0186.corp.erac.com%3A2010 
Error creating bean with name 'multipartResolver': Singleton bean creation not allowed while the singletons of this factory are in destruction (Do not request a bean from a BeanFactory in a destroy method implementation!) 
- Couldn't rollback jdbc connection. No operations allowed after connection closed. 

Cause

These errors are over and over in the enterprisedashboard.log file:

2018-08-01 00:22:12,117Z (19:22) [quartzScheduler_QuartzSchedulerThread] ERROR org.springframework.scheduling.quartz.LocalDataSourceJobStore - Couldn't rollback jdbc connection. No operations allowed after connection closed. 
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. 

Environment

Release: All supported DevTest releases.
Component: ITKOTF

Resolution

DBA changed the timeout from 60 to 28000+ on the Enterprise Dashboard MySQL database.