DM Data Migration: Check-Status Error

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This topic has been translated from a Chinese forum by GPT and might contain errors.

Original topic: dm数据迁移,check-status报错

| username: TiDBer_FMWXa7ja

[TiDB Usage Environment] Production Environment / Testing / PoC
[TiDB Version] 6.5
[Reproduction Path]
[Encountered Problem: Problem Phenomenon and Impact] After the task starts, checking the task status shows “task testdm23 has no source or does not exist”. The dump has been completed, and the SQL file also exists.
[Resource Configuration]
[Attachments: Screenshots / Logs / Monitoring]


| username: 考试没答案 | Original post link

You can see the data source, but cannot query it, right?

| username: 考试没答案 | Original post link

How about trying it this way?

| username: 考试没答案 | Original post link

I can do it here. Is there a space?

| username: TiDBer_FMWXa7ja | Original post link

My problem was likely due to switching the data source bound to the worker, but the switch was not thorough enough. Later, I restarted DM and recreated a task, and it worked.

| username: system | Original post link

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