When using tidbcdc, the tidbcdc service reports that the database cannot be found

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

Original topic: 使用tidbcdc时，tidbcdc 服务报找不到库

| username: TiDBer_Xys4hD00

[Test Environment for TiDB]
[TiDB Version]
[Reproduction Path] Encountered error logs while running the tidbcdc service
[Problem Encountered: Symptoms and Impact]
[Resource Configuration] The cluster was set up using tiup playground. Then, the tidbcdc binary file was started. Now syncing to MySQL, an error occurred.
[Attachments: Screenshots/Logs/Monitoring]

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| username: TIDB-Learner | Original post link

Check the status of TiDB. What is it?

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| username: Daniel-W | Original post link

How are ticdc and changefeed configured?

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| username: 友利奈绪 | Original post link

It might be an issue with the configuration file or the cluster.

5
| username: xfworld | Original post link

At least install a formal cluster, playground is just a super condensed experience version.

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| username: 小龙虾爱大龙虾 | Original post link

This should be normal logs. The downstream is a MySQL-like database, and it will check if it is TiDB. This error should not affect synchronization, right?

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| username: TiDBer_Xys4hD00 | Original post link

I see, it’s because the library link is wrong.

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| username: WalterWj | Original post link

Don’t use the playground for overly complex things; it’s best to have a test environment.