03:00:00 ERROR bernate.transaction.JDBCTransaction: JDBC begin failed
com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception:

** BEGIN NESTED EXCEPTION **

java.io.EOFException

STACKTRACE:

java.io.EOFException
    at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1913)
    at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2304)
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2803)
    at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1573)
    at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1665)
    at com.mysql.jdbc.Connection.execSQL(Connection.java:3118)
    at com.mysql.jdbc.Connection.setAutoCommit(Connection.java:5215)
    at org.apache.commons.dbcp.DelegatingConnection.setAutoCommit(DelegatingConnection.java:331)
    at org.apache.commons.dbcp.PoolingDataSource$PoolGuardConnectionWrapper.setAutoCommit(PoolingDataSource.java:317)
    at org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:63)
    at org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1326)
    at xxx.HibernateSession.beginThreadTransaction(HibernateSession.java:75)
    at xxx.HibernateSession.beginTransaction(HibernateSession.java:141)
    at xxx.TestCaseManager.runAllTestsInBackground(TestCaseManager.java:228)
    at xxx.scheduler.Job.execute(Job.java:42)
    at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
    at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:529)


** END NESTED EXCEPTION **



Last packet sent to the server was 0 ms ago.
    at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2515)
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2803)
    at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1573)
    at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1665)
    at com.mysql.jdbc.Connection.execSQL(Connection.java:3118)
    at com.mysql.jdbc.Connection.setAutoCommit(Connection.java:5215)
    at org.apache.commons.dbcp.DelegatingConnection.setAutoCommit(DelegatingConnection.java:331)
    at org.apache.commons.dbcp.PoolingDataSource$PoolGuardConnectionWrapper.setAutoCommit(PoolingDataSource.java:317)
    at org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:63)
    at org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1326)
    at xxx.HibernateSession.beginThreadTransaction(HibernateSession.java:75)
    at xxx.HibernateSession.beginTransaction(HibernateSession.java:141)
    at xxx.TestCaseManager.runAllTestsInBackground(TestCaseManager.java:228)
    at xxx.scheduler.Job.execute(Job.java:42)
    at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
    at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:529)
03:00:00 ERROR bernate.transaction.JDBCTransaction: JDBC begin failed
com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception: