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From "Enda Farrell (JIRA)" <>
Subject [jira] Commented: (COUCHDB-455) get_result,infinity error when replicating an empty database
Date Fri, 07 Aug 2009 10:18:15 GMT


Enda Farrell commented on COUCHDB-455:

Hi Adam - thank you for taking a look at this.

We alas don't see other related error messages as on a live env, anything other than ERROR
causes way too much logging (and until []
is fixed, we'll have to keep it this way), so it's possible that there is more information
out there.

I'll try to make the same situation happen on our testing envs - but as our live envs have
(a) a VPN and (b) active use, we often don't see these same problems until they are on our
live envs.

It *may* be possible that the calling multiple times is happening, but it seems unlikely as:
(1) there's a list of databases to be replicated,
(2) we iterate over this list,
(3) we sleep for a little (one second in the above)
(4) start over the list again

It is a Java/Spring app, so there may be things going on that I many not be fully aware of.
I'll add more counters and alerts to see if replicator objects have more than once instance
at any point in time.

> get_result,infinity error when replicating an empty database
> ------------------------------------------------------------
>                 Key: COUCHDB-455
>                 URL:
>             Project: CouchDB
>          Issue Type: Bug
>          Components: Database Core
>    Affects Versions: 0.9
>            Reporter: Enda Farrell
> We have code that regularly calls for CouchDB nodes to replicate with pairs in our other
datacentre. It ocassionally has the follwing error:
> {code}
> INFO 371 - Bad replication: [
<- (ACE_METADATA_) {"source":"","target":"tvp_yahoowidgets"}]:
response:[HTTP/1.1 500 Internal Server Error - {"error":"noproc","reason":"{gen_server,call,[<0.17199.212>,get_result,infinity]}"}
> {code}
> The remote database "" is empty:
> {code}curl
> {"db_name":"tvp_yahoowidgets","doc_count":0,"doc_del_count":0,"update_seq":0,"purge_seq":0,"compact_running":false,"disk_size":5920,"instance_start_time":"1249559096646177"}
> {code}
> This same "get_result,infinity", is seen on another empty database:
> {code}
> curl
> {"db_name":"avalanche150k","doc_count":0,"doc_del_count":0,"update_seq":0,"purge_seq":0,"compact_running":false,"disk_size":250480,"instance_start_time":"1249559230162131"}
> {code}

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