[2016-10-15T04:01:16.516+0200] [glassfish 4.1] [INFO] [] [] [tid: _ThreadID=88953 _ThreadName=Thread-8] [timeMillis: 1476496876516] [levelValue: 800] [[
  tdc.dsltest.BusinessLogic.Exceptions.TestFailedException: Exception [EclipseLink-4002] (Eclipse Persistence Services - 2.6.1.v20150605-31e8258): org.eclipse.persistence.exceptions.DatabaseException
Internal Exception: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet successfully received from the server was 35,636,072 milliseconds ago.  The last packet sent successfully to the server was 2 milliseconds ago.
Error Code: 0
Call: SELECT ID, ACTUALTHREADPAIR, PORTNUMBER, RELAY, LINECARD_ID, SWITCHBOX_ID FROM SWITCHBOXSETTINGS WHERE ((ACTUALTHREADPAIR = ?) AND (LINECARD_ID = ?))
        bind => [2 parameters bound]
Query: ReadAllQuery(referenceClass=Switchboxsetting sql="SELECT ID, ACTUALTHREADPAIR, PORTNUMBER, RELAY, LINECARD_ID, SWITCHBOX_ID FROM SWITCHBOXSETTINGS WHERE ((ACTUALTHREADPAIR = ?) AND (LINECARD_ID = ?))")]]