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https://issues.apache.org/jira/browse/COUCHDB-455?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12740490#action_12740490
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Enda Farrell commented on COUCHDB-455:
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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
[https://issues.apache.org/jira/browse/COUCHDB-412] 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: https://issues.apache.org/jira/browse/COUCHDB-455
> 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 bbc.forge.engineering.couchdb.replicatr.ReplicateWorker 371 - Bad
> replication: [kv103.back.live.telhc.local:5986/tvp_yahoowidgets <-
> kv103.back.live.telhc.local:5986 (ACE_METADATA_)
> {"source":"http://kv103.back.live.telhc.local:5986/tvp_yahoowidgets","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
> "http://kv103.back.live.telhc.local:5986/tvp_yahoowidgets"; is empty:
> {code}curl http://kv103.back.live.telhc.local:5986/tvp_yahoowidgets
> {"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 http://kv103.back.live.telhc.local:5984/avalanche150k
> {"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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