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Date: Mon, 15 Dec 2008 14:49:44 -0800 (PST)
From: "Damien Katz (JIRA)" <jira@apache.org>
To: couchdb-dev@incubator.apache.org
Subject: [jira] Resolved: (COUCHDB-45) Error when concurrently hitting HTTP.
 Seems that it doesn't honor Connection: Close
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     [ https://issues.apache.org/jira/browse/COUCHDB-45?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Damien Katz resolved COUCHDB-45.
--------------------------------

       Resolution: Fixed
    Fix Version/s: 0.9
         Assignee: Damien Katz

This might have been fixed by an earlier fix to mochiweb library dealing with closing http connections. I'm going to assume this was fixed too as well, but please reopen if the symptoms remain.

> Error when concurrently hitting HTTP. Seems that it doesn't honor Connection: Close
> -----------------------------------------------------------------------------------
>
>                 Key: COUCHDB-45
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-45
>             Project: CouchDB
>          Issue Type: Bug
>          Components: HTTP Interface
>         Environment: linux
>            Reporter: Jeff Davey
>            Assignee: Damien Katz
>             Fix For: 0.9
>
>
> While doing some load testing against couch, i've noticed that it throws errors when sending concurrently with more than 40 threads.
> I'm guessing that it's trying to send something back to the client after the socket has already been closed. I'm using Connection: Close in the headers on the http client. 
> {mochiweb_socket_server,221,
>                         {child_error,{{case_clause,{error,enotconn}},
>                                       [{mochiweb_request,get,2},
>                                        {couch_httpd,handle_request,2},
>                                        {mochiweb_http,headers,4},
>                                        {proc_lib,init_p,5}]}}}
> [error] [<0.4889.0>] {error_report,
>     <0.22.0>,
>     {<0.4889.0>,
>      crash_report,
>      [[{pid,<0.4889.0>},
>        {registered_name,[]},
>        {error_info,
>            {{case_clause,{error,enotconn}},
>             [{mochiweb_request,get,2},
>              {couch_httpd,handle_request,2},
>              {mochiweb_http,headers,4},
>              {proc_lib,init_p,5}]}},
>        {initial_call,
>            {mochiweb_socket_server,
>                acceptor_loop,
>                [{<0.53.0>,#Port<0.125>,#Fun<mochiweb_http.1.62821608>}]}},
>        {ancestors,[couch_httpd,couch_server_sup,<0.1.0>]},
>        {messages,[]},
>        {links,[<0.53.0>,#Port<0.3453>]},
>        {dictionary,
>            [{mochiweb_request_body,
>                 <<"{ \"sender\" : \"bob\", \"recipient\" : \"test1\", \"flagNew\" : true }">>}]},
>        {trap_exit,false},
>        {status,running},
>        {heap_size,6765},
>        {stack_size,21},
>        {reductions,5351}],
>       []]}}
> [error] [<0.53.0>] {error_report,
>     <0.22.0>,
>     {<0.53.0>,
>      std_error,
>      {mochiweb_socket_server,
>          221,
>          {child_error,
>              {{case_clause,{error,enotconn}},
>               [{mochiweb_request,get,2},
>                {couch_httpd,handle_request,2},
>                {mochiweb_http,headers,4},
>                {proc_lib,init_p,5}]}}}}}

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