Sync Gateway often not starting first time

[Ray Evans]

When I try to start the Sync Gateway (from Windows 8,1, in a DOS window), it usually fails a few times with the following error before starting successfully:

09:09:49.350987 WARNING: Error from Incr in _reserveSequences(0): MCResponse status=DELTA_BADVAL, opcode=INCREMENT, opaque=0, msg: Non-numeric server-side value for incr or decr -- db.(*sequenceAllocator)._reserveSequences() at sequence_all

ocator.go:59

09:09:49.350987 FATAL: Error opening database: MCResponse status=DELTA_BADVAL, opcode=INCREMENT, opaque=0, msg: Non-numeric server-side value for incr or decr -- rest.RunServer() at config.go:415

Does anyone have any idea what's causing this? We are using the latest versions of the Sync Gateway and the Couchbase server (versions 3.0.2 and 1.0.3, respectively). Our application uses an app bucket and a corresponding shadow bucket.

Several references on the Internet (e.g. https://github.com/couchbase/sync_gateway/issues/302) indicate that this problem can be caused by the counter stored in the _sync:seq document (in the shadow bucket) having been corrupted. However, I have checked this, and this document contains a single whole number (only), which I believe is correct. Also, in the post above, it was reported that this problem disappeared when the latest version of the server was installed - this is a little worrying because, as I say, we are using the latest versions of the server and the gateway,

[Jens Alfke]

This sounds like a weird MS Windows-related issue with Couchbase Server … I’d ask on the forums.  (Sorry to pass the buck, but especially based on the earlier issue you linked to, it seems like we’ve drawn a blank and this doesn’t seem to be caused by anything in Sync Gateway itself.)

—Jens

[Zack Gramana]

Ray,

Thanks for creating the issue on GH. We’re looking into it, and will post all follow-ups there.

Cheers.

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[Ray Evans]

Thanks to Jens and Zachary for their replies. I will post some more information on this problem when it is resolved to this group.