[undertow-dev] occasional 502 from Apache HTTP Proxy

Edgar Espina espina.edgar at gmail.com
Sun Jan 18 19:53:55 EST 2015


I'm not, channel does it.

Problem is present on both. For example, home page has a content-length
header but jquery.js use chunked.

Do I have to call .endExchange? or closing the output stream is enough?

Thanks

On Sun, Jan 18, 2015 at 9:48 PM, Stuart Douglas <sdouglas at redhat.com> wrote:

> Another question, are you setting a content length on the responses? If
> not the channel will automatically set one if the response fits inside a
> buffer, otherwise chunked encoding will be used.
>
> It might be helpful to know if this only happens on chunked, fixed length
> or both.
>
> Stuart
>
> Edgar Espina wrote:
>
>> latest: 1.2.0.Beta8
>>
>> On Sun, Jan 18, 2015 at 9:42 PM, Stuart Douglas <sdouglas at redhat.com
>> <mailto:sdouglas at redhat.com>> wrote:
>>
>>     Also what version of Undertow are you using?
>>
>>     Stuart
>>
>>     ----- Original Message -----
>>     >  From: "Edgar Espina" <espina.edgar at gmail.com
>>     <mailto:espina.edgar at gmail.com>>
>>      > To: "Stuart Douglas" <sdouglas at redhat.com
>>     <mailto:sdouglas at redhat.com>>
>>      > Cc: undertow-dev at lists.jboss.org
>>     <mailto:undertow-dev at lists.jboss.org>
>>      > Sent: Monday, 19 January, 2015 11:13:21 AM
>>      > Subject: Re: [undertow-dev] occasional 502 from Apache HTTP Proxy
>>      >
>>      > found this in apache:
>>      >
>>      > (104) Connection reset by peer: proxy: error reading status line
>> from
>>      > remote server
>>      >
>>      > but nothing in undertow.
>>      >
>>      > got 502 on HTTP GET. Sometimes while calling the home page / or
>>     when page
>>      > loads OK, got 502 on page resources (js, css, images).
>>      >
>>      > I call startBlocking and use the outputstream to write the
>>     response, when
>>      > everything has been written I call the "outputstream.close"
>>     method. Do I
>>      > need to call exchange.endExchange too?
>>      >
>>      > Thanks
>>      >
>>      > On Sun, Jan 18, 2015 at 8:52 PM, Stuart Douglas
>>     <sdouglas at redhat.com <mailto:sdouglas at redhat.com>> wrote:
>>      >
>>      > > Is there any info in the log? Or is there any specific type of
>>     request
>>      > > that causes this?
>>      > >
>>      > > Stuart
>>      > >
>>      > >
>>      > > ----- Original Message -----
>>      > > > From: "Edgar Espina" <espina.edgar at gmail.com
>>     <mailto:espina.edgar at gmail.com>>
>>      > > > To: undertow-dev at lists.jboss.org
>>     <mailto:undertow-dev at lists.jboss.org>
>>      > > > Sent: Monday, 19 January, 2015 9:42:19 AM
>>      > > > Subject: [undertow-dev] occasional 502 from Apache HTTP Proxy
>>      > > >
>>      > > > Hi,
>>      > > >
>>      > > > I've an Undertow application behind apache reverse proxy,
>>     trying to load
>>      > > a
>>      > > > page displays error 502 proxy error.
>>      > > >
>>      > > > Still couldn't find why so I wonder if any of you find a
>>     similar problem
>>      > > with
>>      > > > Undertow and Apache.
>>      > > >
>>      > > > Please note this is our first app on top of Undertow,
>>     existing apps
>>      > > running
>>      > > > on Tomcat/Jetty are OK.
>>      > > >
>>      > > > Appreciate any help.
>>      > > >
>>      > > > Thanks
>>      > > >
>>      > > > --
>>      > > > edgar
>>      > > >
>>      > > > _______________________________________________
>>      > > > undertow-dev mailing list
>>      > > > undertow-dev at lists.jboss.org
>>     <mailto:undertow-dev at lists.jboss.org>
>>      > > > https://lists.jboss.org/mailman/listinfo/undertow-dev
>>      > >
>>      >
>>      >
>>      >
>>      > --
>>      > edgar
>>      >
>>
>>
>>
>>
>> --
>> edgar
>>
>


-- 
edgar
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