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From "Filipe Manana (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (COUCHDB-1326) scanty error message when writing to uri_file fails
Date Tue, 01 Nov 2011 12:04:32 GMT

    [ https://issues.apache.org/jira/browse/COUCHDB-1326?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13141093#comment-13141093
] 

Filipe Manana commented on COUCHDB-1326:
----------------------------------------

Thanks Rogutės

However the following will not work:

+        Error2 -> throw(io:format("Failed to write uri_file ~s, error ~p~n",
+              [UriFile, Error2]))

You'll want to call io_lib:format instead, which returns an IOList. Then you should call lists:flatten
over the result of io_lib:format to make sure we get a more human readable string.
Wanna give it a 2nd try? :)
                
> scanty error message when writing to uri_file fails
> ---------------------------------------------------
>
>                 Key: COUCHDB-1326
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-1326
>             Project: CouchDB
>          Issue Type: Bug
>            Reporter: Rogutės Sparnuotos
>            Priority: Minor
>         Attachments: 0001-A-more-useful-error-when-writing-to-uri_file-fails.patch
>
>
> CouchDB crashes when it fails writing to uri_file (set from the [couchdb] section). The
error message is too vague to understand what's going on: "{{badmatch,{error,enoent}}". At
least the filename should be mentioned.
> P.S.
> I'd say it's all Erlang's fault, because file:write_file() doesn't report the file name
on errors.

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