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From "Benjamin Young (JIRA)" <j...@apache.org>
Subject [jira] [Created] (COUCHDB-1215) Improve _config error handling by validating certain (if not all) values based on their keys
Date Thu, 07 Jul 2011 14:21:17 GMT
Improve _config error handling by validating certain (if not all) values based on their keys
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                 Key: COUCHDB-1215
                 URL: https://issues.apache.org/jira/browse/COUCHDB-1215
             Project: CouchDB
          Issue Type: Improvement
          Components: Futon, HTTP Interface
    Affects Versions: 1.1
            Reporter: Benjamin Young
            Priority: Minor


When saving values via Futon or the HTTP API, it's easy to put in values that are invalid
and could make CouchDB unbootable. Some level of validation here would save the day in most
cases or the disposal of the incorrect values with a log message (rather than preventing startup).

In my case, I'd added just <<"http://google.com/">> to the value of the _google
key in the httpd_global_handlers section and that prevented CouchDB from starting. The ever
fabulous Paul Davis pointed out my error and it was "easy enough" to fix by altering the value
in the .ini file to be the correct value...which is: {couch_httpd_proxy, handle_proxy_req,
<<"http://www.google.com">>}

In the case of these httpd_global_handlers a simple check that it's an Erlang tuple with at
least two terms would be a simple check that would have kept my CouchDB instance up.

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