04 Jun 2018 15:51:02,639 ERROR [PollableSourceRunner-SQLSource-r] (org.apache.flume.source.PollableSourceRunner$PollingRunner.run:150) - Unhandled exception, logging and sleeping for 0ms
org.hibernate.SessionException: Session was already closed
at org.hibernate.internal.SessionImpl.close(SessionImpl.java:359)
at org.keedio.flume.source.HibernateHelper.resetConnection(HibernateHelper.java:147)
at org.keedio.flume.source.HibernateHelper.executeQuery(HibernateHelper.java:103)
at org.keedio.flume.source.SQLSource.process(SQLSource.java:102)
at org.apache.flume.source.PollableSourceRunner$PollingRunner.run(PollableSourceRunner.java:133)
at java.lang.Thread.run(Thread.java:748)