MongoDB service refuse to start

Original Question or Issue:

MongoDB service cannot be started from FileCloud Control Panel.

Environment:

Steps to Reproduce:

MongoDB service refuse to start from FileCloud Control Panel.

Error or Log Message:

Service failed to start within a reasonable time: MongoDB.

Defect or Enhancement Number:

Cause:

MongoDB data corruption seen in MongoDB logs c:\xampp\mongodb\bin\logs\

{"t":{"$date":"2024-09-27T09:39:52.232+02:00"},"s":"F", "c":"STORAGE", "id":50882, "ctx":"initandlisten","msg":"Failed to open WiredTiger cursor. This may be due to data corruption","attr":{"uri":"table:index-3-1354693429180315330","config":"overwrite=false","error":{"code":8,"codeName":"UnknownError","errmsg":"-31802: WT_ERROR: non-specific WiredTiger error"},"message":"Please read the documentation for starting MongoDB with --repair here: http://dochub.mongodb.org/core/repair"}}

Resolution or Workaround:

Please note you'll need to restore MongoDB data from last available autobackup:

Move or remove content of MongoDB data path c:\xampp\mongodb\bin\data\*
Start MongoDB service from FileCloud Control Panel.
unzip last available FileCloud auto_db_dump.
Open windows cmd as administrator and run DB restore command like below:
c:\xampp\mongodb\bin\mongorestore.exe --noIndexRestore --gzip --drop [path to unzipped db dump]

Notes: