javascript

MongoDB stale chunk config during migration

MongoDB.*StaleConfig.*chunk migration.*not reflect.*current state

Fixes

1.Retry the operation - stale config is usually transient
2.Run sh.status() to check balancer and chunk distribution
3.Refresh routing table: db.adminCommand({flushRouterConfig: 1})

mongodbsharding

Related Errors

javascript3 fixes

Cannot read property of undefined

Cannot read propert(y|ies) of undefined

•Add optional chaining (?.)
•Check if object exists before accessing

javascript3 fixes

Cannot read property of null

Cannot read propert(y|ies) of null

•Add null check before access
•Use optional chaining (?.)

javascript3 fixes

TypeError: X is not a function

is not a function

•Check spelling of method name
•Verify import is correct