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MongoImport: problem with Duplicate Key #1242

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bitliner opened this issue Jan 7, 2016 · 0 comments

bitliner commented Jan 7, 2016

What happened is the following:

I exported some documents using mongoexport
I removed the same documents that I exported
I tried to import the exported documents using mongoimport

The import fails because it throws "Duplicate Key" error.

But the documents that I am trying to import are not in the collection, so there is no duplicate _id.

Could it be that there is some cache or index that keeps them and make the database throw the error?

There aren't other unique indexes apart of _id.

If I import the documents in another collection it works fine.

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