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DataBase Keeps Crashing Due to Security Software

Original Question or Issue:

The FileCloud Server database service (MongoDB) crashes unexpectedly, preventing the server from functioning.

Environment:

  • Product - FileCloud Server
  • Version - Any
  • Platform - Any

Steps to Reproduce:

This issue occurs when anti-virus or security software interferes with MongoDB's file rename operations during startup or during FTDC (Full-Time Diagnostic Data Capture) logging. To reproduce: install or enable an anti-virus solution that scans the XAMPP directory, then attempt to start the FileCloud Server database service.

 

Error or Log Message:

{"t":{"$date":"XX"},"s":"F",  "c":"CONTROL",  "id":4757800, "ctx":"ftdc","msg":"Writing fatal message","attr":{"message":"DBException::toString(): FileRenameFailed: Access is denied\nActual exception type: class mongo::error_details::ExceptionForImpl<37,class mongo::AssertionException>\n"}}

Defect or Enhancement Number:

 

Cause:

Anti-virus or security software was blocking MongoDB's ability to rename files in the XAMPP directory, causing a fatal FileRenameFailed: Access is denied error that crashes the database service.

Resolution or Workaround:

Add the /xampp folder as an exclusion (whitelist) in your anti-virus or security software, then restart the FileCloud Server database service. This prevents the security software from interfering with MongoDB's file operations. If your FileCloud installation uses a non-default path, exclude that directory instead.

Notes:

This issue has been reported on Windows installations of FileCloud Server. Ensure that all subdirectories under the XAMPP installation path are also excluded, not just the root /xampp folder, as some anti-virus tools apply exclusions non-recursively.