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    • com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 1 milliseconds ago. The last packet sent successfully to the server was 0 milliseconds ago. at org.apache.ibatis.exceptions.ExceptionFactory.wrapException( at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList( at org.activiti.engine.impl.db.DbSqlSession.selectList( at org.activiti.engine.impl.persistence.entity.JobManager.findNextJobsToExecute( at org.activiti.engine.impl.cmd.AcquireJobsCmd.execute( at org.activiti.engine.impl.cmd.AcquireJobsCmd.execute( at org.activiti.engine.impl.interceptor.CommandExecutorImpl.execute( at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute( at org.activiti.spring.SpringTransactionInterceptor$1.doInTransaction( at at org.activiti.spring.SpringTransactionInterceptor.execute( at org.activiti.engine.impl.interceptor.LogInterceptor.execute( at Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure [...] Caused by: 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( at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(

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