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From Durga Srinivasu Karuturi <durgasriniv...@gmail.com>
Subject Re: ERR_SPDY_COMPRESSION_ERROR (http2)
Date Sat, 24 Dec 2016 14:51:02 GMT
Mark,

Thanks for the update!

Thanks,
Durga Srinivasu

On Sat, Dec 24, 2016 at 6:47 PM, Mark Thomas <markt@apache.org> wrote:

> On 22/12/2016 12:58, Mark Thomas wrote:
> > On 22 December 2016 10:16:18 GMT+00:00, Durga Srinivasu Karuturi <
> durgasrinivasu@gmail.com> wrote:
> >> Hi,
> >>
> >> Shall i raise a defect?
> >
> > Patience. Give the community a chance to look at it first. Given the
> time of year, that might take longer than usual.
>
> I can confirm I can repeat the problem you are describing.
>
> Tomcat not sending an HPACK dynamic table size update is certainly a
> possibility.
>
> I'll look into the root cause next.
>
> Mark
>
>
> >
> > Mark
> >
> >
> >>
> >> Thanks,
> >> Durga Srinivasu
> >>
> >> On Wed, Dec 21, 2016 at 2:56 PM, Durga Srinivasu Karuturi <
> >> durgasrinivasu@gmail.com> wrote:
> >>
> >>> Hi,
> >>>
> >>> We are stuck with this issue.
> >>>
> >>> Is this locally reproducible with sample web-app?
> >>>
> >>> Thanks,
> >>> Durga Srinvasu
> >>>
> >>>
> >>> On Tue, Dec 20, 2016 at 11:26 AM, Durga Srinivasu Karuturi <
> >>> durgasrinivasu@gmail.com> wrote:
> >>>
> >>>> Its ~5MB file (ROOT app tar bundle).
> >>>>
> >>>> I hope the information, which i have shared so far is useful enough
> >> to
> >>>> reproduce the problem locally.
> >>>>
> >>>> Please let me know if i missed any other information.
> >>>>
> >>>> Thanks,
> >>>> Durga Srinivasu
> >>>>
> >>>>
> >>>> On Tue, Dec 20, 2016 at 7:42 AM, Sreeraj V P <sreeraj@entesos.com>
> >> wrote:
> >>>>
> >>>>> yes.. started download.. hadnt waited to complete.
> >>>>>
> >>>>> Sent from BlueMail ‚Äč
> >>>>>
> >>>>> On 19 Dec 2016, 3:27 p.m., at 3:27 p.m., Durga Srinivasu Karuturi
<
> >>>>> durgasrinivasu@gmail.com> wrote:
> >>>>>> Mark,
> >>>>>>
> >>>>>> Looks like tar/zip attachments are getting removed.
> >>>>>>
> >>>>>> Uploaded same in google drive now.
> >>>>>>
> >>>>>> Please let me know if you can access the same or not.
> >>>>>>
> >>>>>> https://drive.google.com/open?id=0B1OzquDqWi6bVUN0MDk2RDFENG8
> >>>>>>
> >>>>>> Thanks,
> >>>>>> Durga Srinivasu
> >>>>>>
> >>>>>>
> >>>>>> On Mon, Dec 19, 2016 at 3:21 PM, Durga Srinivasu Karuturi <
> >>>>>> durgasrinivasu@gmail.com> wrote:
> >>>>>>
> >>>>>>> Mark,
> >>>>>>>
> >>>>>>> Attaching the modified ROOT web-app from tomcat 8.5.9 bundle.
> >> Just
> >>>>>> changed
> >>>>>>> index.jsp and added lib [mostly DOJO] folder content to
> >> reproduce.
> >>>>>>>
> >>>>>>> If we deploy this in latest 8.5.9 with http2 enabled in
chrome
> >> we are
> >>>>>>> seeing the SPDY compression errors
> >>>>>>>
> >>>>>>> Please let me know if this helps.
> >>>>>>>
> >>>>>>> Thanks,
> >>>>>>> Durga Srinivasu
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>> On Mon, Dec 19, 2016 at 2:31 PM, Mark Thomas <markt@apache.org>
> >>>>>> wrote:
> >>>>>>>
> >>>>>>>> On 17/12/2016 06:35, Durga Srinivasu Karuturi wrote:
> >>>>>>>>> Do i need to post in any other forum?
> >>>>>>>>
> >>>>>>>> No, you are in the right place.
> >>>>>>>>
> >>>>>>>> You mentioned the issue was reproducible with the Dojo
> >> libraries. If
> >>>>>> you
> >>>>>>>> can provide the simplest possible set of steps to recreate
this
> >>>>>> issue
> >>>>>>>> from a clean Tomcat 8.5.9 install that would be a big
help.
> >>>>>>>>
> >>>>>>>> Mark
> >>>>>>>>
> >>>>>>>>>
> >>>>>>>>> Thanks,
> >>>>>>>>> Durga Srinivasu
> >>>>>>>>>
> >>>>>>>>> On Thu, Dec 15, 2016 at 6:41 PM, Durga Srinivasu
Karuturi
> >>>>>>>>> <durgasrinivasu@gmail.com <mailto:durgasrinivasu@gmail.com>>
> >>>>>> wrote:
> >>>>>>>>>
> >>>>>>>>>     Hi,
> >>>>>>>>>
> >>>>>>>>>     Any pointers please?
> >>>>>>>>>
> >>>>>>>>>     Thanks,
> >>>>>>>>>     Durga Srinivasu
> >>>>>>>>>
> >>>>>>>>>     On Wed, Dec 14, 2016 at 10:15 PM, Durga Srinivasu
> >> Karuturi
> >>>>>>>>>     <durgasrinivasu@gmail.com
> >> <mailto:durgasrinivasu@gmail.com>>
> >>>>>> wrote:
> >>>>>>>>>
> >>>>>>>>>         Hi,
> >>>>>>>>>
> >>>>>>>>>         Recent chrome  [Mac - Sierra : Version 
55.0.2883.87
> >>>>>> (64-bit) ]
> >>>>>>>> we are seeing issues in http2 sites.
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>         Initially we have seen problem with http2
table
> >> header
> >>>>>> size
> >>>>>>>> limit error and to fix this, we have upgraded tomcat
8.5.4 to
> >> 8.5.9
> >>>>>> where
> >>>>>>>> tomcat has increased the header limit from 16K to 64K.
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>         Now with latest tomcat 8.5.9 we are seeing
> >>>>>>>> ERR_SPDY_COMPRESSION_ERROR while loading dojo libraries.
> >>>>>>>>>
> >>>>>>>>>         Tried couple of steps (flush SPDY sokets
etc) based
> >> on
> >>>>>> google
> >>>>>>>> search on this issue but nothing worked..
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>         Inline image 1
> >>>>>>>>>
> >>>>>>>>>         t=10513 [st= 1]     -HTTP_TRANSACTION_SEND_REQUEST
> >>>>>>>>>
> >>>>>>>>>         t=10513 [st= 1]     +HTTP_TRANSACTION_READ_HEADERS
> >>>>>> [dt=36]
> >>>>>>>>>
> >>>>>>>>>         t=10549 [st=37]        HTTP2_STREAM_ERROR
> >>>>>>>>>
> >>>>>>>>>                                --> description
= "ABANDONED
> >>>>>>>>>         (stream_id=139):
> >>>>>>>>>         https://10.104.118.174/webacs/lib/dijit/form/_ToggleB
> >>>>>>>> uttonMixin.js.map
> >>>>>>>>>
> >>>>>> <https://10.104.118.174/webacs/lib/dijit/form/_ToggleButton
> >>>>>>>> Mixin.js.map>"
> >>>>>>>>>
> >>>>>>>>>                                --> status = -363
> >>>>>>>>>
> >>>>>>>>>                                --> stream_id
= 139
> >>>>>>>>>
> >>>>>>>>>         t=10549 [st=37]     -HTTP_TRANSACTION_READ_HEADERS
> >>>>>>>>>
> >>>>>>>>>         *                     --> net_error =
-363
> >>>>>>>>>         (ERR_SPDY_COMPRESSION_ERROR)*
> >>>>>>>>>
> >>>>>>>>>         t=10549 [st=37]   -URL_REQUEST_START_JOB
> >>>>>>>>>
> >>>>>>>>>         *                   --> net_error = -363
> >>>>>>>>>         (ERR_SPDY_COMPRESSION_ERROR)*
> >>>>>>>>>
> >>>>>>>>>         t=10549 [st=37]    URL_REQUEST_DELEGATE
 [dt=0]
> >>>>>>>>>
> >>>>>>>>>         t=10549 [st=37] -REQUEST_ALIVE
> >>>>>>>>>
> >>>>>>>>>                          --> net_error = -363
> >>>>>>>> (ERR_SPDY_COMPRESSION_ERROR)
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>         Initial content is downloaded (other JS
files etc)
> >> but on
> >>>>>> some
> >>>>>>>> dojo libraries alone, we are this issue which make application
> >> home
> >>>>>> page
> >>>>>>>> load fails.
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>         Firefox works!
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>         We are having latest tomcat 8.5.9 already.
Not sure
> >> where
> >>>>>> else
> >>>>>>>> problem now. We have not enabled any compression server
side.
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>> https://bugs.chromium.org/p/chromium/issues/detail?id=673315
> >>>>>>>>>
> >>>>>> <https://bugs.chromium.org/p/chromium/issues/detail?id=673315>
> >>>>>>>> (Chrome bugs i have raised)
> >>>>>>>>>
> >>>>>>>>>             My guess is that the bug is in Tomcat,
in that it
> >> does
> >>>>>> not
> >>>>>>>> send an HPACK dynamic table size update (so the dynamic
table
> >> should
> >>>>>> be the
> >>>>>>>> default 4 kB) but uses a 64 kB dynamic table.
> >>>>>>>>>             As soon as it references entries that
are in fact
> >>>>>> already
> >>>>>>>> emitted, that's a compression error.
> >>>>>>>>>             See https://www.ietf.org/mail-arch
> >>>>>>>> ive/web/httpbisa/current/msg27867.html
> >>>>>>>>>
> >>>>>> <https://www.ietf.org/mail-archive/web/httpbisa/current/msg
> >>>>>>>> 27867.html> for a discussion on how to interpret
the specs.
> >>>>>>>>>
> >>>>>>>>>         According to the chrome bug notes problem
is with
> >> tome
> >>>>>> dynamic
> >>>>>>>> table size 64k. I don't know how to confirm this is
as tomcat
> >> issue
> >>>>>> as well.
> >>>>>>>>>
> >>>>>>>>>         Can somebody help here to trace the problem?
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>
> >>> ---------------------------------------------------------------------
> >>>>>>>> To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
> >>>>>>>> For additional commands, e-mail: users-help@tomcat.apache.org
> >>>>>>>>
> >>>>>>>>
> >>>>>>>
> >>>>>
> >>>>
> >>>>
> >>>
> >
> >
> >
> > ---------------------------------------------------------------------
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> > For additional commands, e-mail: users-help@tomcat.apache.org
> >
>
>
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