On Fri, Sep 25, 2020 at 1:18 PM Arshiya Shariff
<arshiya.shar...@ericsson.com.invalid> wrote:

> Thanks Martin .
>
> Our expectation Is that , on receiving a RST_STREAM with CANCEL or
> NO_ERROR from the client after 1.5 secs for a particular stream , we don’t
> want the connection to be closed  with a GOAWAY:NO_ERROR  (while trying to
> send response after 2secs asynchronously over a stream that is closed) as
> the other streams during the same time are processing data fine .
>
> Additional info for GOAWAY: Connection [], Stream[],An error occurred
> during processing that was fatal to the connection .
>

I guess some other error happened and that led to the GOAWAY. But I cannot
be sure.
Any errors in the logs ?


>
> Thanks and Regards
> Arshiya Shariff
>
> -----Original Message-----
> From: Martin Grigorov <mgrigo...@apache.org>
> Sent: Tuesday, September 22, 2020 7:31 PM
> To: Tomcat Users List <users@tomcat.apache.org>
> Subject: Re: HTTP2: Tomcat sends GOAWAY when trying to respond over a
> stream where the client has already sent RST_STREAM:NO ERROR
>
> Hi,
>
> On Tue, Sep 22, 2020 at 1:47 PM Arshiya Shariff <
> arshiya.shar...@ericsson.com.invalid> wrote:
>
> > Thank you so much Martin for the response.
> >  Yes , 9.0.38 testing is on going .
> >
> > As we don’t get this clear with the RFC , please help us with the
> > below two cases :
>
>   * If a client sends RST_STREAM with NO_ERROR, then while sending async
> > response is it expected behavior to close connection with GOAWAY ?
> >   * If a client sends RST_STREAM with CANCEL , then while sending
> > async response will tomcat send RST_STREAM or GOAWAY , from http2
> > protocol perspective ?
> >
>
> As per https://tools.ietf.org/html/rfc7540#section-6.4 and
> https://tools.ietf.org/html/rfc7540#section-5.1 if "send R" or "recv R"
> are processed then the stream is moved to CLOSED state.
> GOAWAY should be sent to the client only if the connection will be closed
> ( https://tools.ietf.org/html/rfc7540#section-6.8). The server should
> close the connection only if some serious problem has happened, e.g. an
> IOException.
>
> Tell us more about your use case. What do you want to do when 1.5secs pass
> ? What do you expect to happen ?
>
>
> >
> > Thanks and Regards
> > Arshiya Sharif
> >
> > -----Original Message-----
> > From: Martin Grigorov <mgrigo...@apache.org>
> > Sent: Tuesday, September 22, 2020 1:18 AM
> > To: Tomcat Users List <users@tomcat.apache.org>
> > Subject: Re: HTTP2: Tomcat sends GOAWAY when trying to respond over a
> > stream where the client has already sent RST_STREAM:NO ERROR
> >
> > Hi,
> >
> > On Mon, Sep 21, 2020 at 7:56 PM Arshiya Shariff <
> > arshiya.shar...@ericsson.com.invalid> wrote:
> >
> > > Hi All,
> > >
> > > The client has configured a response timeout of 1.5 seconds. In a
> > > case when our application tries to respond over a http2 stream
> > > asynchronously after 2 seconds where the client has already sent
> > > RST_STREAM with NO ERROR in 1.5 seconds
> >
> >
> > Why does the client send NO_ERROR to the server ? I think it should
> > send a CANCEL instead.
> > https://tools.ietf.org/html/rfc7540 mentions NO_ERROR only for
> > "Graceful shutdown of the server".
> >
> >
> > > (due to no response) , then tomcat sends GOAWAY and closes the HTTP2
> > > connection . Is this behavior of GOAWAY and connection closure
> expected ?
> > > We have planned to upgrade to Embedded tomcat version 9.0.38 . These
> > > are the behaviors we see in production with version 9.0.22 ,  so we
> > > need some help with analyzing / validating  the existing behavior
> > > before
> > the upgrade .
> > > Please let us know.
> > >
> >
> > Friendly advice:
> > Please setup 9.0.38 locally and test on it.
> > 9.0.22 is way too old. It is up to you to use it for your production
> > but for reporting bugs it is recommended to use the latest available
> version.
> > I, personally, prefer to spend my spare time with my family and
> > friends than to debug old versions just because the user doesn't
> > bother to test on a newer version.
> >
> >
> > >
> > > Thanks and Regards
> > > Arshiya Shariff
> > >
> >
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>
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