Description

If log_filename is not set, then the value of log_directory is appended to an empty string and PostgreSQL will fail to start as it will try to write to a directory instead of a file.

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  Recommended Mitigation

  Further relevant information can be found in the following AWS documentation: <a href="https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_LogAccess.Concepts.PostgreSQL.html" target="_blank" rel="noopener noreferrer">https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_LogAccess.Concepts.PostgreSQL.html</a>