How to cancel a replication task via the REST API

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James Nocentini

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Aug 3, 2016, 7:12:51 AM8/3/16

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Hmm, I just ran the following two curl commands with iOS 1.3.0 build 50 and SG 1.3.0 build 247.

Create replication

curl -H 'Content-Type: application/json' -vX POST 'http://localhost:5984/_replicate' \

-d '{"source":"untitledapp","target":{"headers":{"Cookie":"SyncGatewaySession=964dfd92221ae028c13710ab83cf4d6742ef225d; Path=/sync_gateway; Expires=2016-08-04T12:02:41.883045272+01:00"},"url":"http://localhost:4984/sync_gateway"},"continuous":true}'

Stop replication

curl -H 'Content-Type: application/json' -vX POST 'http://localhost:5984/_replicate' \

-d '{"source":"untitledapp","target":{"headers":{"Cookie":"SyncGatewaySession=964dfd92221ae028c13710ab83cf4d6742ef225d; Path=/sync_gateway; Expires=2016-08-04T12:02:41.883045272+01:00"},"url":"http://localhost:4984/sync_gateway"},"continuous":true, "cancel": true}'

The response from the second request is:

{"ok":true}

Which builds of 1.3 of are you running?

James

Nick Pomfret

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Aug 3, 2016, 7:16:46 AM8/3/16

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1.3.0-62

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Nick Pomfret

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Aug 3, 2016, 7:18:01 AM8/3/16

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Ah, I'm running a 1.2 sync-gateway, maybe that's the problem? Is there a 1.3 build for OSX yet? Can't see one in here

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James Nocentini

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Aug 3, 2016, 7:25:21 AM8/3/16

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You can download couchbase-sync-gateway-community_1.3.0-274_x86_64.tar.gz in the list from that link.

Just tried with iOS build 62 and it works also.

James

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Jens Alfke

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Aug 3, 2016, 11:50:29 AM8/3/16

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On Aug 3, 2016, at 4:17 AM, Nick Pomfret <npom...@snowmonkey.co.uk> wrote:

Ah, I'm running a 1.2 sync-gateway, maybe that's the problem?

Shouldn’t make a difference — canceling a replication is a purely local task that doesn’t involve the server.

FYI, the docs are here.

—Jens

Nick Pomfret

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Aug 4, 2016, 5:08:32 AM8/4/16

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So could someone confirm (or deny) that the cancel flag works in the latest iOS release? I can't get it to work, but I'm sure it has worked in previous releases.

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https://github.com/couchbase/couchbase-lite-ios/issues/1394

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James Nocentini

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Aug 4, 2016, 12:29:38 PM8/4/16

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I don’t see any issue, passing cancel: true to a replication running and authenticated stops it and returns {"ok": true} in 1.3. I’ve tried with 1.2.1 and 1.3.

If there is an authentication error then /_replicate returns a 404 though (also observed in 1.2.1 and 1.3). That’s probably because it couldn’t find a replication with those parameters. A replication encountering 401 unauthorized stops immediately. We will definitely document the 404 response in the docs but I can’t reproduce what you’re encountering, can you double check and provide steps to repro if possible?

James

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Jens Alfke

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Aug 4, 2016, 12:30:21 PM8/4/16

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On Aug 4, 2016, at 2:07 AM, Nick Pomfret <npom...@snowmonkey.co.uk> wrote:

So could someone confirm (or deny) that the cancel flag works in the latest iOS release? I can't get it to work, but I'm sure it has worked in previous releases.

I’m pretty sure our QA functional tests make use of this. Could you file an issue, please?

—Jens

Nick Pomfret

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Aug 4, 2016, 2:14:20 PM8/4/16

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Nick Pomfret

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Aug 5, 2016, 5:23:15 AM8/5/16

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James - I'm pretty sure that I had it working on 1.2.1 also, but which version of 1.3 did you try? I'm on 1.3.0-62.

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