[erlang-questions] Cowboy - cowboy_req:reply
Theepan
vasdeveloper@REDACTED
Thu Aug 4 14:55:32 CEST 2016
Thanks Loïc, the issue was with the VM used. I hosted the system on a bare
metal, and everything was fine. There were also other issues from the file
system, so I decided to move it to bare metal.
Cowboy is working like a charm!
Regards,
Theepan
On Tue, Aug 2, 2016 at 1:04 PM, Loïc Hoguin <essen@REDACTED> wrote:
> The error log says the error happens in filename:absname/1, probably here:
> https://github.com/erlang/otp/blob/maint/lib/stdlib/src/filename.erl#L69
>
> You'll need to investigate when it happens again. Perhaps someone can help
> you, on a quick glance it seems the error could come from the port driver.
> I have no experience in that area.
>
> Cheers,
>
> On 08/01/2016 11:53 PM, Theepan wrote:
>
>> Also wanted to share that the server is running on a VM instance and the
>> OS is CentOS 7.
>>
>> When I restarted the node every thing started working fine. When this
>> happens next time, I would also problem if the node itself is prevented
>> from accessing the file system.
>>
>>
>> On Tue, Aug 2, 2016 at 3:17 AM, Theepan <vasdeveloper@REDACTED
>> <mailto:vasdeveloper@REDACTED>> wrote:
>>
>> Now when I probed what happens during the 500 error, I see the
>> following error in the Erlang logs.
>>
>> Ranch listener http had connection process started with
>> cowboy_protocol:start_link/4 at <0.2399.0> exit with reason:
>> {cowboy_handler,[{class,error},{reason,{badmatch,{error,enoe
>> nt}}},{mfa,{cowboy_static,init,2}},{stacktrace,[{filename,
>> absname,1,[{file,"filename.erl"},{line,68}]},{cowboy_
>> static,init_dir,3,[{file,"../src/cowboy_static.erl"},{line,
>> 82}]},{cowboy_handler,execute,2,[{file,"../src/cowb
>>
>> But all the files are present in the server, and their read access
>> rights have not changed.
>>
>> Do you have a quick guess?
>>
>>
>>
>> On Tue, Aug 2, 2016 at 3:11 AM, Loïc Hoguin <essen@REDACTED
>> <mailto:essen@REDACTED>> wrote:
>>
>> Never heard of it but feel free to open a ticket with more
>> details.
>>
>> If there's a 500 error then there's probably a related log sent
>> to error_logger.
>>
>> On 08/01/2016 11:39 PM, Theepan wrote:
>>
>> I noticed another issue with Cowboy. When it comes to static
>> files, once
>> or twice a day they fail to deliver with "500 - Internal
>> Server Error".
>> Dynamics pages are working fine.
>>
>> Is there any any issue?
>>
>> When the server (Erlang Node) is restarted, things work fine
>> back, then
>> after about 10 hours or so again the same pattern recurred.
>> Unless you
>> restart the node, the error is persistent.
>>
>>
>>
>> On Tue, Aug 2, 2016 at 12:28 AM, Loïc Hoguin
>> <essen@REDACTED <mailto:essen@REDACTED>
>> <mailto:essen@REDACTED <mailto:essen@REDACTED>>>
>> wrote:
>>
>> No, 2.0.0-pre.3 and below are pretty similar to 1.0.4 in
>> terms of
>> known bugs (for the same features).
>>
>> Anything in between is anyone's guess.
>>
>> On 08/01/2016 06:20 PM, Theepan wrote:
>>
>> Great Loïc..
>>
>> Were there any serious bugs in 2.0.0-pre.2 ?
>>
>> On Mon, Aug 1, 2016 at 8:58 PM, Loïc Hoguin
>> <essen@REDACTED <mailto:essen@REDACTED>
>> <mailto:essen@REDACTED <mailto:essen@REDACTED
>> >>
>> <mailto:essen@REDACTED
>> <mailto:essen@REDACTED> <mailto:essen@REDACTED
>> <mailto:essen@REDACTED>>>> wrote:
>>
>> No!
>>
>> I am finishing up changes to what will be
>> released as
>> 2.0.0-pre.4. I
>> will start recommending this version which,
>> although it won't be
>> finished, should be pretty close to the final
>> interface.
>>
>> It'll be out before the end of summer.
>>
>> On 08/01/2016 05:01 PM, Max Lapshin wrote:
>>
>> Btw, is it time to convert all production
>> code to cowboy2?
>>
>>
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>>
>> --
>> Loïc Hoguin
>> http://ninenines.eu
>> Author of The Erlanger Playbook,
>> A book about software development using Erlang
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>> --
>> Loïc Hoguin
>> http://ninenines.eu
>> Author of The Erlanger Playbook,
>> A book about software development using Erlang
>>
>>
>>
>> --
>> Loïc Hoguin
>> http://ninenines.eu
>> Author of The Erlanger Playbook,
>> A book about software development using Erlang
>>
>>
>>
>>
> --
> Loïc Hoguin
> http://ninenines.eu
> Author of The Erlanger Playbook,
> A book about software development using Erlang
>
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