CODEWITHSUNDEEP
mongodbsharding
Tinh Le
Tinh Le

Reputation: 1

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.

Issue: When I start mongos, I receive the following error message:

SHARDING [mongosMain] uncaught DBException in mongos main: Location51091: Regular expression is invalid: invalid UTF-8 string

How can I identify and resolve any invalid UTF-8 data in my system that might be triggering this issue?

Thank you for your help!

I follow this one: https://www.mongodb.com/docs/v5.1/release-notes/4.2-upgrade-sharded-cluster/

Upvotes: 0

Views: 48

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