Using cloneCollection in MongoDB: how to authenticate?

Question

I'm trying to clone a remotely hosted collection to my local Mongo database. I tried opening up the mongo console in the local environment and issued:

db.runCommand({cloneCollection: "<dbname.colname>", from: "<remotehost:port>"})

It fails with

"errmsg" : "exception: nextSafe(): { $err: \"not authorized for query on <dbname>.system.namespaces\", code: 16550 }",
"code" : 13106,

How do I properly authorize with the remote server to clone the collection?

oz123 · Accepted Answer · 2014-11-06 12:43:02Z

8

Unfortunately that's currently not possible. There is a Jira ticket open for this feature. As a workaround you could consider using mongodump --collection and mongorestore.

edited Nov 6, 2014 at 12:43

oz123

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answered Feb 25, 2014 at 20:44

Bruce Lucas

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2 Comments

thameera Over a year ago

Thanks! I ended up using mongoexport and mongoimport to clone the collections.

Bruce Lucas Over a year ago

That's a viable option too, although keep in mind that mongodump produces BSON output which preserves the richer type information of BSON more accurately than mongoexport, which produces JSON output.

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