Tomcat server intermittent issue

[murugesanvinoth3]

we have deployed JAsper server 6.2V in tomcat 8.5.49. 

 

facing some intermittent issue, server stops working , logs as below 

catalina.out

2020-02-13 13:00:18,304 ERROR JDBCTransaction,http-nio-49443-exec-4:202 - JDBC rollback failed
java.sql.SQLRecoverableException: Closed Connection

    at org.quartz.core.QuartzSchedulerThread.run(QuartzSchedulerThread.java:264)
2020-02-13 16:23:09,431 ERROR LocalDataSourceJobStore,quartzScheduler_QuartzSchedulerThread:3641 - Couldn't rollback jdbc connection. Closed Connection
java.sql.SQLRecoverableException: Closed Connection

jasperserver.log  - below line prints for 2000+ times

    at org.quartz.impl.jdbcjobstore.JobStoreSupport$ClusterManager.run(JobStoreSupport.java:3894)
2020-02-14 05:36:08,852 ERROR LocalDataSourceJobStore,quartzScheduler_QuartzSchedulerThread:3641 - Couldn't rollback jdbc connection. Closed Connection
java.sql.SQLRecoverableException: Closed Connection

please suggest on this