Handling Erlang inets http client errors

Posted by Justin on Stack Overflow See other posts from Stack Overflow or by Justin
Published on 2010-04-24T06:28:45Z Indexed on 2010/04/24 6:33 UTC
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I have an Erlang app which makes a large number of http calls to external sites using inets, using the code below

case http:request(get, {Url, []}, [{autoredirect, false}], []) of
{ok, {{_, Code, _}, _, Body}}->
    case Code of
    200 ->
        HandlerFn(Body);
    _ ->
        {error, io:format("~s returned HTTP ~p", [Broker, Code])}
    end;
Response -> %% block to handle unexpected responses from inets
    {error, io:format("~s returned ~p", [Broker, Response])}
end.

There is an explicit block to handle anything strange inets might return [Response]. Despite this, I still get what look like inets error reports dumped to the console [sample below]. What am I doing wrong here ? Do I need to configure some kind of inets error handler elsewhere ?

Thanks.

--

=ERROR REPORT==== 24-Apr-2010::06:49:47 === ** Generic server <0.6618.0> terminating ** Last message in was {connect_and_send, {request,#Ref<0.0.0.139358>,<0.6613.0>,0,http, {"***",80}, "****************", [],get, {http_request_h,undefined,"keep-alive", undefined,undefined,undefined,undefined, undefined,undefined,undefined,undefined, undefined,undefined,undefined,undefined, undefined,undefined,"news.bbc.co.uk", undefined,undefined,undefined,undefined, undefined,undefined,undefined,undefined, undefined,[],undefined,undefined,undefined, undefined,"0",undefined,undefined, undefined,undefined,undefined,undefined,[]}, {[],[]}, {http_options,"HTTP/1.1",infinity,false,[], undefined,false,infinity}, "*******************", [],none,[],1272088179114,undefined,undefined}} * When Server state == {state, {request,#Ref<0.0.0.139358>,<0.6613.0>,0,http, {"********",80}, "***************", [],get, {http_request_h,undefined,"keep-alive", undefined,undefined,undefined,undefined, undefined,undefined,undefined,undefined, undefined,undefined,undefined,undefined, undefined,undefined,"news.bbc.co.uk", undefined,undefined,undefined,undefined, undefined,undefined,undefined,undefined, undefined,[],undefined,undefined, undefined,undefined,"0",undefined, undefined,undefined,undefined,undefined, undefined,[]}, {[],[]}, {http_options,"HTTP/1.1",infinity,false,[], undefined,false,infinity}, "**********************", [],none,[],1272088179114,undefined,undefined}, undefined,undefined,undefined,undefined,undefined, {[],[]}, {[],[]}, undefined,[],nolimit,nolimit, {options, {undefined,[]}, 0,2,5,120000,2,disabled,false,inet,default, default,[]}, {timers,[],undefined}, httpc_manager,undefined} ** Reason for termination == ** {error,{connect_failed,{#Ref<0.0.0.139358>,{error,nxdomain}}}}

=ERROR REPORT==== 24-Apr-2010::06:49:47 === HTTPC-MANAGER handler (<0.6618.0>, started) failed to connect and/or send request #Ref<0.0.0.139358> Result: {error,{connect_failed,{#Ref<0.0.0.139358>,{error,nxdomain}}}}

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