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From Brendan Walker <>
Subject RE: CouchDb Crash Report Help
Date Fri, 14 Feb 2014 22:18:03 GMT
Hey Dave,

I am using R16B01 now. I will switch to using R14B04 now and see if that gets rid of the issue.



-----Original Message-----
From: Dave Cottlehuber [] 
Sent: Friday, February 14, 2014 1:02 PM
Subject: Re: CouchDb Crash Report Help

Hey Brendan,

That link is one of mine, and IIRC the eventual fix is to use an R16B* based release of CouchDB
on Windows, or good old faithful R14B04. The 1.5.x releases are running a pretty new mochiweb
release (as far forwards as I could go without breaking R14B04 support).

I suggest:
- confirming what erlang reelase you're using
- moving to R14B04 initially
- if you still get stuck use latest couch+ R16b02 ( or 16b03-1 if we release one with that
when you're still stuck) Is that possible?

One could trace & catch the specific error but if "periodically" and "1m docs" applies,
the tracing is likely to take a while, and use some space up.


On 14 February 2014 21:27, Brendan Walker <> wrote:
> Hello,
> I apologize if this email is getting resent, I can't find any confirmation that it was
received. I am having difficulty trying to figure out why CouchDb is crashing from the crash
report, and I was wondering if someone would be able to give me some feedback on what could
be going wrong.
> Here is my scenario: I have a Couch instance with over a million documents. There is
also continuous replication going on to and from another instance. Periodically, CouchDb crashes
because of the crash report below. I increased the `max_dbs_open` and `max_connections` settings
in the config, but that didn't stop the crashing.
> I was linked to this issue (
Is that similar to the issue I am hitting? If so, it looks like the fix was merged into mochiweb,
but the version that ships with CouchDb doesn't contain the fix.
> Thanks!
> Brendan Walker
> === Crash Report ===
> [Thu, 13 Feb 2014 15:09:38 GMT] [error] [<0.10713.9>] {error_report,<0.34.0>,
>                        {<0.10713.9>,crash_report,
>                         [[{initial_call,
>                            {mochiweb_acceptor,init,
>                             ['Argument__1','Argument__2','Argument__3']}},
>                           {pid,<0.10713.9>},
>                           {registered_name,[]},
>                           {error_info,
>                            {error,
>                             {badmatch,{error,einval}},
>                             [{mochiweb_http,new_request,3,
>                               [{file,
>                                 "c:/cygwin/relax/APACHE~1.0/src/mochiweb/mochiweb_http.erl"},
>                                {line,133}]},
>                              {mochiweb_http,handle_invalid_request,3,
>                               [{file,
>                                 "c:/cygwin/relax/APACHE~1.0/src/mochiweb/mochiweb_http.erl"},
>                                {line,127}]},
>                              {mochiweb_http,handle_invalid_request,1,
>                               [{file,
>                                 "c:/cygwin/relax/APACHE~1.0/src/mochiweb/mochiweb_http.erl"},
>                                {line,122}]},
>                              {proc_lib,init_p_do_apply,3,
>                               [{file,"proc_lib.erl"},{line,239}]}]}},
>                           {ancestors,
>                            [couch_httpd,couch_secondary_services,
>                             couch_server_sup,<0.35.0>]},
>                           {messages,[{tcp_closed,#Port<0.42313>}]},
>                           {links,[<0.111.0>]},
>                           {dictionary,
>                            [{couch_rewrite_count,0},{jsonp,no_jsonp}]},
>                           {trap_exit,false},
>                           {status,running},
>                           {heap_size,2586},
>                           {stack_size,27},
>                           {reductions,23231254}],
>                          []]}}
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