MySQL Error 3842: Invalid Redo Log Archive Label

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Description

This error indicates that MySQL cannot find a specified directory label within the `innodb_redo_log_archive_dirs` server variable. It typically occurs when an operation attempts to reference a redo log archive location using a label that has not been correctly defined or is misspelled in the server's configuration, preventing redo log archiving operations.

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Error Message

Label '%s' not found in server variable 'innodb_redo_log_archive_dirs'

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Known Causes

3 known causes

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Incorrect Label Name

The label specified in a command, application, or configuration file does not exactly match any of the labels defined in the `innodb_redo_log_archive_dirs` server variable, possibly due to a typo or case mismatch.

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Label Not Configured

The desired redo log archive directory label was never properly added, initialized, or persisted within the `innodb_redo_log_archive_dirs` server variable.

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Configuration Not Reloaded

Recent changes made to the `innodb_redo_log_archive_dirs` server variable might not have been applied or recognized by the running MySQL server instance.

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Solutions

Coming Soon

Detailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:

General Troubleshooting Tips

Check the error message carefully for specific details
Review recent changes that might have caused the error
Search for the exact error code in the official documentation
Check log files for additional context
Try restarting the application or service

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Related Errors

5 related errors