[jira] Commented: (COUCHDB-559) 0.9.1 pushing to 0.10.0 fails b/c of list_to_existing_atom("disk_format_version").

["Jan Lehnardt (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/COUCHDB-559?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12773562#action_12773562 ] 

Jan Lehnardt commented on COUCHDB-559:
--------------------------------------

Can we look at the user agent string and have 0.10 omit disk_format_version if the agent reports a 0.9.x couch?

> 0.9.1 pushing to 0.10.0 fails b/c of list_to_existing_atom("disk_format_version").
> ----------------------------------------------------------------------------------
>
>                 Key: COUCHDB-559
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-559
>             Project: CouchDB
>          Issue Type: Bug
>          Components: Replication
>    Affects Versions: 0.10
>            Reporter: Adam Kocoloski
>
> The atom disk_format_version doesn't appear in 0.9.1, but in 0.10.0 it's part of the info returned by GET /dbname.  If an 0.9.1 server tries to push to 0.10.0, it'll fail trying to decode "disk_format_version" into an existing atom.
> Not sure at this point about the best workaround.

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