com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Communications link failure during rollback(). Transaction resolution unknown.

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Solr - User - DIH fails after processing roughly 10million records

Communications link failure during rollback(). Transaction resolution unknown.

Transaction resolution unknown. - CSDN博客

Communications link failure during rollback(). Transaction resolution unknown.

During BaseWrapperManagedConnection.cleanup it seems a lock is held by the same thread (Transaction Reaper Thread) ad the tread attempting to clean up and throwing repeated resource exceptions.

Communications link failure during rollback(). Transaction resolution unknown.

TimeOut issue Enterprise edition--URGENT (Page 1) / Data Integration on Subscription - Configuration, usage and feedback / Talend Community Forum

Communications link failure during commit(). Transaction resolution unknown.

MySQL reconnect fails

Communications link failure during commit(). Transaction resolution unknown.

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:39)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)	at java.lang.reflect.Constructor.newInstance(Constructor.java:513)	at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)	at com.mysql.jdbc.Util.getInstance(Util.java:386)	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1014)	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:988)	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:974)	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:919)	at com.mysql.jdbc.ConnectionImpl.rollback(ConnectionImpl.java:4808)	at com.mysql.jdbc.ConnectionImpl.realClose(ConnectionImpl.java:4403)	at com.mysql.jdbc.ConnectionImpl.close(ConnectionImpl.java:1594)	at org.apache.solr.handler.dataimport.JdbcDataSource.closeConnection(JdbcDataSource.java:400)	at org.apache.solr.handler.dataimport.JdbcDataSource.close(JdbcDataSource.java:391)	at org.apache.solr.handler.dataimport.DocBuilder.closeEntityProcessorWrappers(DocBuilder.java:291)	at org.apache.solr.handler.dataimport.DocBuilder.closeEntityProcessorWrappers(DocBuilder.java:293)	at org.apache.solr.handler.dataimport.DocBuilder.execute(DocBuilder.java:280)	at org.apache.solr.handler.dataimport.DataImporter.doFullImport(DataImporter.java:382)	at org.apache.solr.handler.dataimport.DataImporter.runCmd(DataImporter.java:448)	at org.apache.solr.handler.dataimport.DataImporter$1.run(DataImporter.java:429)