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From Mark Thomas <ma...@apache.org>
Subject Re: ERR_SPDY_COMPRESSION_ERROR (http2)
Date Thu, 22 Dec 2016 12:58:09 GMT
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.

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?
>>>> >>> >
>>>> >>> >
>>>> >>> >
>>>> >>> >
>>>> >>> >
>>>> >>> >
>>>> >>> >
>>>> >>>
>>>> >>>
>>>> >>>
>>>>
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>>>> >>>
>>>> >>>
>>>> >>
>>>>
>>>
>>>
>>



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