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Communications link failure during rollback(). Transaction resolution unknown.
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Communications link failure during rollback(). Transaction resolution unknown.
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com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Communications link failure during rollback(). Transaction resolution unknown.	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)	at java.lang.reflect.Constructor.newInstance(Constructor.java:422)	at com.mysql.jdbc.Util.handleNewInstance(Util.java:408)	at com.mysql.jdbc.Util.getInstance(Util.java:383)	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1023)	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:997)	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:983)	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:928)	at com.mysql.jdbc.ConnectionImpl.rollback(ConnectionImpl.java:5097)	at org.apache.tomcat.dbcp.dbcp2.DelegatingConnection.rollback(DelegatingConnection.java:491)	at org.apache.tomcat.dbcp.dbcp2.DelegatingConnection.rollback(DelegatingConnection.java:491)	at sun.reflect.GeneratedMethodAccessor1202.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:497)	at org.springframework.jdbc.datasource.LazyConnectionDataSourceProxy$LazyConnectionInvocationHandler.invoke(LazyConnectionDataSourceProxy.java:376)	at com.sun.proxy.$Proxy4.rollback(Unknown Source)	at sun.reflect.GeneratedMethodAccessor1202.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:497)	at org.quartz.impl.jdbcjobstore.AttributeRestoringConnectionInvocationHandler.invoke(AttributeRestoringConnectionInvocationHandler.java:73)	at com.sun.proxy.$Proxy317.rollback(Unknown Source)	at org.quartz.impl.jdbcjobstore.JobStoreSupport.rollbackConnection(JobStoreSupport.java:3652)	at org.quartz.impl.jdbcjobstore.JobStoreSupport.doCheckin(JobStoreSupport.java:3277)	at org.quartz.impl.jdbcjobstore.JobStoreSupport$ClusterManager.manage(JobStoreSupport.java:3870)	at org.quartz.impl.jdbcjobstore.JobStoreSupport$ClusterManager.run(JobStoreSupport.java:3907)