mongodb
MongoDB connection pool destroyed
Topology was destroyed|topology.*closed|pool.*destroyed
Fixes
- 1.Don't call mongoose.disconnect() while operations are pending
- 2.Handle SIGINT/SIGTERM gracefully — close connections after pending ops complete
- 3.Check for connection event listeners and reconnect logic in your app
mongodbconnectionpool
Related Errors
mongodb3 fixes
MongoDB duplicate key violation
E11000 duplicate key error
- •Check for existing documents before insert, or use upsert
- •Verify your unique index fields don't have null values creating conflicts
mongodb3 fixes
Mongoose required field validation error
ValidationError.*Path.*is required|validation failed.*required
- •Ensure all required fields defined in schema are provided before save()
- •Check for typos in field names — Mongoose silently ignores unknown fields
mongodb3 fixes
Mongoose CastError invalid ObjectId
CastError.*Cast to ObjectId failed
- •Validate the ID format before querying: mongoose.Types.ObjectId.isValid(id)
- •Check route params aren't receiving unexpected values (e.g., 'favicon.ico')