Help Center/ Data Replication Service/ Troubleshooting/ Troubleshooting/ Failure Cases/ Real-Time Migration and Synchronization from MySQL to MySQL/ Incremental Phase Error: Must seek before attempting to read next event
Updated on 2025-07-21 GMT+08:00
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Incremental Phase Error: Must seek before attempting to read next event

Scenarios

During an incremental migration or synchronization, an error is reported, and the log information is as follows: service INCREMENT failed, cause by: Extract THL file fail! Must seek before attempting to read next event

Possible Causes

The task is interrupted for a long time. Historical DRS data files were deleted and the task cannot be continued.

Solution

Contact the user to re-create the task.