I have a number of error messages like this in my error.log file referencing different files that can't be opened when I start my mariadb 10.4.8 server:

2019-09-30 17:38:19 0 [ERROR] InnoDB: Cannot open datafile for read-only: '/tmp/#sql50b_8808_1.ibd' OS error: 71
2019-09-30 17:38:19 0 [ERROR] InnoDB: Cannot read first page of './tmp/#sql50b_8808_1.ibd' I/O error
2019-09-30 17:38:19 0 [Note] InnoDB: Cannot read first page in datafile: ./tmp/#sql50b_8808_1.ibd, Space ID:18446744073709551615, Flags: 0
2019-09-30 17:38:19 0 [ERROR] InnoDB: Operating system error number 2 in a file operation.
2019-09-30 17:38:19 0 [ERROR] InnoDB: The error means the system cannot find the path specified.
2019-09-30 17:38:19 0 [ERROR] InnoDB: If you are installing InnoDB, remember that you must create directories yourself, InnoDB does not create them.
2019-09-30 17:38:19 0 [ERROR] InnoDB: Could not find a valid tablespace file for ``tmp`.`#sql50b_8808_1``. Please refer to https://mariadb.com/kb/en/innodb-data-dictionary-troubleshooting/ for how to resolve the issue.
2019-09-30 17:38:19 0 [Warning] InnoDB: Ignoring tablespace for `tmp`.`#sql50b_8808_1` because it could not be opened.

I don't have a database named tmp, so the instructions for data dictionary troubleshooting haven't been helpful.

I can't find any files that start with #sql anywhere in my file system, but


returns 65 rows, including one associated with the file described above. Is there some way to clean this up so MariaDB doesn't try to open these non-existent files?


I was able to fix this using the brute force method of backing up my databases, removing and reinstalling MariaDB, and restoring my databases.

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