MongoDB 4.0 to 4.2 Upgrade: Can’t Start mongos – Location51091: Regular expression is invalid: invalid UTF-8 string
I recently upgraded MongoDB from version 4.0 to 4.2. My MongoDB setup is a sharded cluster, and after the upgrade, I’m encountering an issue when trying to start the mongos router.
My mongos crash automatically in mongodb sharding cluster
queryrouter.log