Last packet sent to the server was 2359 ms ago.
Error Code: 0
        at oracle.toplink.essentials.exceptions.DatabaseException.sqlException(DatabaseException.java:296)
        at oracle.toplink.essentials.internal.databaseaccess.DatabaseAccessor.basicBeginTransaction(DatabaseAccessor.java:164)
        at oracle.toplink.essentials.internal.databaseaccess.DatasourceAccessor.beginTransaction(DatasourceAccessor.java:144)
        at oracle.toplink.essentials.internal.sessions.AbstractSession.basicBeginTransaction(AbstractSession.java:283)
        at oracle.toplink.essentials.threetier.ClientSession.basicBeginTransaction(ClientSession.java:123)
        at oracle.toplink.essentials.internal.sessions.AbstractSession.beginTransaction(AbstractSession.java:378)
        at oracle.toplink.essentials.internal.sessions.UnitOfWorkImpl.beginTransaction(UnitOfWorkImpl.java:419)
        at oracle.toplink.essentials.internal.sessions.UnitOfWorkImpl.commitToDatabase(UnitOfWorkImpl.java:994)
        at oracle.toplink.essentials.internal.ejb.cmp3.base.RepeatableWriteUnitOfWork.commitToDatabase(RepeatableWriteUnitOfWork.java:387)
        at oracle.toplink.essentials.internal.sessions.UnitOfWorkImpl.commitToDatabaseWithChangeSet(UnitOfWorkImpl.java:1112)
        at oracle.toplink.essentials.internal.ejb.cmp3.base.RepeatableWriteUnitOfWork.commitRootUnitOfWork(RepeatableWriteUnitOfWork.java:91)
        at oracle.toplink.essentials.internal.sessions.UnitOfWorkImpl.commitAndResume(UnitOfWorkImpl.java:842)
        at oracle.toplink.essentials.internal.ejb.cmp3.transaction.base.EntityTransactionImpl.commit(EntityTransactionImpl.java:87)
        ... 18 more
Caused by: com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception:

** BEGIN NESTED EXCEPTION **

java.net.SocketException
MESSAGE: Software caused connection abort: recv failed

STACKTRACE:

java.net.SocketException: Software caused connection abort: recv failed
        at java.net.SocketInputStream.socketRead0(Native Method)
        at java.net.SocketInputStream.read(Unknown Source)
        at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:113)
        at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:160)
        at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:188)
        at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1953)
        at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2368)
        at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2867)
        at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1616)
        at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1708)
        at com.mysql.jdbc.Connection.execSQL(Connection.java:3249)
        at com.mysql.jdbc.Connection.setAutoCommit(Connection.java:5392)
        at oracle.toplink.essentials.internal.databaseaccess.DatabaseAccessor.basicBeginTransaction(DatabaseAccessor.java:159)
        at oracle.toplink.essentials.internal.databaseaccess.DatasourceAccessor.beginTransaction(DatasourceAccessor.java:144)
        at oracle.toplink.essentials.internal.sessions.AbstractSession.basicBeginTransaction(AbstractSession.java:283)
        at oracle.toplink.essentials.threetier.ClientSession.basicBeginTransaction(ClientSession.java:123)
        at oracle.toplink.essentials.internal.sessions.AbstractSession.beginTransaction(AbstractSession.java:378)
        at oracle.toplink.essentials.internal.sessions.UnitOfWorkImpl.beginTransaction(UnitOfWorkImpl.java:419)
        at oracle.toplink.essentials.internal.sessions.UnitOfWorkImpl.commitToDatabase(UnitOfWorkImpl.java:994)
        at oracle.toplink.essentials.internal.ejb.cmp3.base.RepeatableWriteUnitOfWork.commitToDatabase(RepeatableWriteUnitOfWork.java:387)
        at oracle.toplink.essentials.internal.sessions.UnitOfWorkImpl.commitToDatabaseWithChangeSet(UnitOfWorkImpl.java:1112)
        at oracle.toplink.essentials.internal.ejb.cmp3.base.RepeatableWriteUnitOfWork.commitRootUnitOfWork(RepeatableWriteUnitOfWork.java:91)
        at oracle.toplink.essentials.internal.sessions.UnitOfWorkImpl.commitAndResume(UnitOfWorkImpl.java:842)
        at oracle.toplink.essentials.internal.ejb.cmp3.transaction.base.EntityTransactionImpl.commit(EntityTransactionImpl.java:87)
        at oracle.toplink.essentials.internal.ejb.cmp3.transaction.EntityTransactionImpl.commit(EntityTransactionImpl.java:45)
        at com.mycompany...
	...
        at java.lang.Thread.run(Unknown Source)


** END NESTED EXCEPTION **



Last packet sent to the server was 2359 ms ago.
        at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2579)
        at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2867)
        at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1616)
        at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1708)
        at com.mysql.jdbc.Connection.execSQL(Connection.java:3249)
        at com.mysql.jdbc.Connection.setAutoCommit(Connection.java:5392)
        at oracle.toplink.essentials.internal.databaseaccess.DatabaseAccessor.basicBeginTransaction(DatabaseAccessor.java:159)
        ... 29 more