Monitoring JavaMelody on /SapphireIMS

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Request	Mean time (ms)	Max time (ms)	Standard deviation	Mean cpu time (ms)	% of system error
SEVERE: Exception occured in isValidConnection :: Communications link failure The last packet successfully received from the server was 59,975 milliseconds ago. The last packet sent successfully to the server was 0 milliseconds ago.	-1	0	0		100.00

Stack-trace
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
The last packet successfully received from the server was 59,975 milliseconds ago. The last packet sent successfully to the server was 0 milliseconds ago.
      at sun.reflect.GeneratedConstructorAccessor231.newInstance(Unknown Source)
      at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
      at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
      at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
      at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1116)
      at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3102)
      at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2991)
      at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3532)
      at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2002)
      at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2163)
      at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2618)
      at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2568)
      at com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1557)
      at org.jboss.jca.adapters.jdbc.WrappedStatement.executeQuery(WrappedStatement.java:397)
      at com.tkd.sims.agent.database.DBConnection.isValidConnection(DBConnection.java:470)
      at com.tkd.sims.agent.genericagenttask.PopulateJobs.run(PopulateJobs.java:46)
Caused by: java.io.EOFException: Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost.
      at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2552)
      at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3002)
      ... 10 more