yuxiqian commented on code in PR #4334:
URL: https://github.com/apache/flink-cdc/pull/4334#discussion_r4089545056


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flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/main/java/io/debezium/connector/mysql/MySqlStreamingChangeEventSource.java:
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@@ -87,18 +87,20 @@
  * Copied from Debezium project(1.9.8.Final) to fix
  * https://github.com/ververica/flink-cdc-connectors/issues/1944.
  *
- * <p>Line 1432-1443 : Adjust GTID merging logic to support recovering from 
job which previously
+ * <p>Line 1449-1461 : Adjust GTID merging logic to support recovering from 
job which previously
  * specifying starting offset on start. Uses {@link 
GtidUtils#fixOldChannelsGtidSet} for shared
  * EARLIEST/LATEST logic.
  *
- * <p>Line 1444-1452 : Fix LATEST mode GTID merging to avoid replaying 
pre-checkpoint transactions
+ * <p>Line 1463-1469 : Fix LATEST mode GTID merging to avoid replaying 
pre-checkpoint transactions
  * when checkpoint GTID has non-contiguous ranges. Delegates to {@link
  * GtidUtils#computeLatestModeGtidSet}. See FLINK-39149.
  *
- * <p>Line 1490 : Add more error details for some exceptions.
+ * <p>Line 1507 : Add more error details for some exceptions.
  *
- * <p>Line 951-963 : Use iterator instead of index-based loop to avoid O(n²) 
complexity when
+ * <p>Line 954-966 : Use iterator instead of index-based loop to avoid O(n²) 
complexity when
  * processing LinkedList rows in handleChange method. See FLINK-38846.
+ *
+ * <p>Line 1271-1277 : Unregister listeners to avoid client reuse 
interference. See FLINK-39315.

Review Comment:
   Picky comment: these line numbers are incorrect. Consider using JavaDocs 
{@link reference} or correct them.



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