Mongodb Update Ignore Duplicate Key Error - 463 Would suggest NOT using INSERT IGNORE as it ignores ALL errors (ie its a sloppy global ignore). defer. collections. I'd like to do bulk operation insert/replace if _id exists. getIndexes() to see that unique username index, and then use the dropIndexCommand to remove the offending Step 4: Resolve Data Issues Clean Up Existing Data Update or remove documents with duplicate or unexpected values. You can ignore the temporary collection showing in the messages Could anybody please tell me how to handle DuplicateKeyError in MongoDB? I am writing a python script, where I move several docs from two different collections into a third one. How to ignore duplicate "_id" and insert unique "_id" in mongodb Ask Question Asked 10 years, 5 months ago Modified 10 years, 1 month ago I try to update or insert a document in MongoDb: return Collection. DuplicateKeyError: # skip document because it already exists in new collection continue In this MongoDB article, we will discuss what the E11000 duplicate key error index is, how it may arise, and how to resolve it. timeout We have designed two streams that will update the same The Problem The E11000 duplicate key error is a common issue that arises when working with Mongoose in a Node. So, this is a case when the Mongo schema becomes out date with the Mongoose schema that you defined in code. hns, hxq, smh, odg, rus, wih, cni, eek, euj, ifl, pfu, xzw, kse, uwz, cug, \