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From Gary Gregory <garydgreg...@gmail.com>
Subject Re: Core 4 and problem with socket timeout to origin server
Date Sat, 19 Aug 2017 18:07:54 GMT
I closed this issue, works like a charm.

Gary

On Aug 17, 2017 08:11, "Gary Gregory" <garydgregory@gmail.com> wrote:

> On Thu, Aug 17, 2017 at 8:00 AM, Oleg Kalnichevski <olegk@apache.org>
> wrote:
>
>> On Wed, 2017-08-16 at 16:37 -0600, Gary Gregory wrote:
>> > Oleg,
>> >
>> > I created a ticket and a branch for
>> > https://issues.apache.org/jira/browse/HTTPCORE-482
>> >
>> > Can you please review/update and merge if OK?
>> >
>> > Thank you,
>> > Gary
>> >
>>
>> Hi Gary
>>
>> The patch looks perfectly reasonable to me. I'll happily merge it for
>> you if you like.
>>
>
> Great! Thank you Oleg. I need this ASAP, so if you can't get to it by EOD,
> I'll go for it.
>
> Gary
>
>
>>
>> Cheers
>>
>> Oleg
>>
>> > On Wed, Aug 16, 2017 at 3:00 PM, Gary Gregory <garydgregory@gmail.com
>> > >
>> > wrote:
>> >
>> > > Hi All (Oleg, really)
>> > >
>> > > I am wondering how to fix/deal with the a timeout occurring in an
>> > > async
>> > > proxy when an origin server takes too long to reply.
>> > >
>> > > You can reproduce this issue with our asyn example
>> > > NHttpReverseProxy:
>> > >
>> > > Start it with: http://postman-echo.com 8888
>> > >
>> > > Then run:
>> > >
>> > > curl --verbose --max-time 1000 http://localhost:8888/delay/3
>> > >
>> > > and you will get an EMPTY response from the server, no HTTP status
>> > > code
>> > > where I would expect a 504 or 500.
>> > >
>> > > The proxy prints out:
>> > >
>> > > Reverse proxy to http://postman-echo.com:80
>> > > [client->proxy] connection open 127.0.0.1:8888<->127.0.0.1:61128
>> > > [client->proxy] 00000001 GET /delay/3 HTTP/1.1
>> > > [client->proxy] 00000001 request completed
>> > > [proxy->origin] connection open 192.168.0.112:61130<-
>> > > >52.44.234.173:80
>> > > [proxy->origin] 00000001 GET /delay/3 HTTP/1.1
>> > > [proxy->origin] 00000001 request completed
>> > > [client->proxy] connection closed 127.0.0.1:8888<->127.0.0.1:61128
>> > > [client<-proxy] 00000001 java.net.SocketTimeoutException
>> > > [proxy->origin] connection released 192.168.0.112:61130<-
>> > > >52.44.234.173:80
>> > > [proxy->origin] [total kept alive: 0; total allocated: 0 of 100]
>> > > [proxy->origin] connection closed 192.168.0.112:61130<-
>> > > >52.44.234.173:80
>> > >
>> > > Curl prints:
>> > >
>> > > * STATE: INIT => CONNECT handle 0x600057930; line 1410 (connection
>> > > #-5000)
>> > > * Added connection 0. The cache now contains 1 members
>> > > * STATE: CONNECT => WAITRESOLVE handle 0x600057930; line 1446
>> > > (connection
>> > > #0)
>> > > *   Trying ::1...
>> > > * TCP_NODELAY set
>> > > * STATE: WAITRESOLVE => WAITCONNECT handle 0x600057930; line 1527
>> > > (connection #0)
>> > > *   Trying 127.0.0.1...
>> > > * TCP_NODELAY set
>> > > * Connected to localhost (127.0.0.1) port 8888 (#0)
>> > > * STATE: WAITCONNECT => SENDPROTOCONNECT handle 0x600057930; line
>> > > 1579
>> > > (connection #0)
>> > > * Marked for [keep alive]: HTTP default
>> > > * STATE: SENDPROTOCONNECT => DO handle 0x600057930; line 1597
>> > > (connection
>> > > #0)
>> > > > GET /delay/3 HTTP/1.1
>> > > > Host: localhost:8888
>> > > > User-Agent: curl/7.54.1
>> > > > Accept: */*
>> > > >
>> > >
>> > > * STATE: DO => DO_DONE handle 0x600057930; line 1676 (connection
>> > > #0)
>> > > * STATE: DO_DONE => WAITPERFORM handle 0x600057930; line 1801
>> > > (connection
>> > > #0)
>> > > * STATE: WAITPERFORM => PERFORM handle 0x600057930; line 1811
>> > > (connection
>> > > #0)
>> > > * STATE: PERFORM => DONE handle 0x600057930; line 1980 (connection
>> > > #0)
>> > > * multi_done
>> > > * Empty reply from server
>> > > * Connection #0 to host localhost left intact
>> > > * Expire cleared
>> > > *curl: (52) Empty reply from server*
>> > >
>> > > A bug in the example proxy? In HttpCore? Both? Or something missing
>> > > in the
>> > > implementation of the example async proxy?
>> > >
>> > > Thoughts?
>> > >
>> > > Thank you,
>> > > Gary
>> > >
>>
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>>
>

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