com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: 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 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 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)

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