Symptom

Event processing is stopped. UI doesn't show events. The following message is displayed: "Error: Unable to process this query. Please contact support." Error messages in merovingian.log that mention that a file cannot be opened because it does not exist/is not found. 2023-02-15 13:49:32 MSG merovingian[11350]: database 'eventdb' has crashed after start on 2023-02-12 10:06:19, attempting restart, up min/avg/max: 24s/1w/3w, crash average: 1.00 0.40 0.13 (11-7=4) 2023-02-15 13:49:30 ERR eventdb[9648]: message repeated 30000 times: #main thread: BBPcheckbats: !ERROR: cannot stat file /Volume/lib/monetdb/dbfarm/eventdb/bat/01/23/12375.tail1 or /Volume/lib/monetdb/dbfarm/eventdb/bat/01/23/12375.tail (expected size 9501): No such file or directory 2023-02-15 13:49:33 ERR eventdb[9648]: #main thread: BBPcheckbats: !ERROR: cannot stat file /Volume/lib/monetdb/dbfarm/eventdb/bat/01/23/12375.tail1 or /Volume/lib/monetdb/dbfarm/eventdb/bat/01/23/12375.tail (expected size 9501): No such file or directory

Conditions

FMC running 7.3 code, or other version containing the following database: MonetDB Database Server Toolkit v11.41.27 (hg id: bdd04053973d 86446)

Workaround

Contact TAC for assistance to repair the database.

Further Problem Description