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From "Alex Markham (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (COUCHDB-1340) Replication: Invalid JSON reported
Date Wed, 16 Nov 2011 12:54:51 GMT

     [ https://issues.apache.org/jira/browse/COUCHDB-1340?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alex Markham updated COUCHDB-1340:
----------------------------------

    Attachment: 9c94ed0e23508f4ec3d18f8949c06a5b replicaton from wireshark cut.txt

Also attached "9c94ed0e23508f4ec3d18f8949c06a5b replicaton from wireshark cut.txt" which looks
like the last replication transfer before the mochiweb 400 error. It is a large 19mb request,
but I've snipped out the middle bit.

This request is ~3 seconds before the stack trace. Could the 2x blank lines at the bottom,
after the json close, but before the 0 be the zero bytes to look for?

1
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0
                
> Replication: Invalid JSON reported
> ----------------------------------
>
>                 Key: COUCHDB-1340
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-1340
>             Project: CouchDB
>          Issue Type: Bug
>          Components: Replication
>    Affects Versions: 1.1.1
>         Environment: CentOS 5.6 x86_64, Couchdb 1.1.1 (Patched for COUCHDB-1333), spidermonkey
1.8.5, curl 7.21, erlang 14b03
>            Reporter: Alex Markham
>              Labels: invalid, json
>         Attachments: 9c94ed0e23508f4ec3d18f8949c06a5b replicaton from wireshark cut.txt,
replication error wireshark.txt, source couch error.log, target couch error.log
>
>
> It seems our replication has stopped, reporting an error
> [emulator] Error in process <0.21599.306> {{nocatch,{invalid_json,<<0 bytes>>}},[{couch_util,json_decode,1},{couch_rep_reader,'-open_doc_revs/3-lc$^1/1-1-',1},{couch_rep_reader,'-open_doc_revs/3-lc$^1/1-1-',1},{couch_rep_reader,open_doc_revs,3},{couch_rep_reader,'-spawn_document_request/4-fun-0-'...

> It was all working until we upgraded some other couches in our replication "web" from
couch 1.0.3 to couch 1.1.1. We then set of database and view compactions, and sometime overnight
some of the replication links stopped.
> I have curled the command myself, both as a multipart message and a single json response
(with header "Accept:application/json" ) and it can be parsed correctly by Python simplejson
- I have attached it here aswell - called "troublecurl-redacted.txt" - though it is 18.8mb.
The request takes about 6 seconds.
> I don't quite understand why it is reported as invalid JSON? Other reports similar to
this that I googled mentioned blank document ids, but I can't see any of these.

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