[jira] [Updated] (COUCHDB-1639) doc_to_multi_part_stream does not include headers for attachments

["Dave Cottlehuber (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/COUCHDB-1639?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dave Cottlehuber updated COUCHDB-1639:
--------------------------------------

    Priority: Blocker  (was: Major)
    
> doc_to_multi_part_stream does not include headers for attachments
> -----------------------------------------------------------------
>
>                 Key: COUCHDB-1639
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-1639
>             Project: CouchDB
>          Issue Type: Bug
>          Components: Database Core, Replication
>            Reporter: Christopher Bonhage
>            Priority: Blocker
>         Attachments: 0001-Fix-multipart-attachments-headers.patch
>
>
> I started a push replication job that contained a document with image attachments and noticed that the replication job was taking far too long, so I dug into the logs and found the culprit:
> [Tue, 08 Jan 2013 05:28:45 GMT] [error] [emulator] Error in process <0.22592.0> with exit value: {{badmatch,{[137,80,78,71],[]}},[{couch_httpd,split_header,1},{couch_httpd,'-parse_part_header/1-fun-1-',2},{lists,foldl,3},{couch_httpd,parse_part_header,1},{couch_httpd,parse_multipart_request,3},{couch_doc,'-doc_from_multi_part_stream/2-fun-1-'... 
> I was able to deduce that the {[137,80,78,71],[]} that split_header was encountering while trying to parse_part_header was actually the (partial) body of the attachment! After adding some logging to confirm my suspicions I discovered that CouchDB does not appear to be sending MIME multipart/related headers for attachments (only the application/json for the doc itself) when converting a document to a multipart stream, which is causing the problem.

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