users@grizzly.java.net

Re: Error in Form-Parameter conversion

From: Oleksiy Stashok <oleksiy.stashok_at_oracle.com>
Date: Sun, 18 Aug 2013 08:27:50 -0700

Hi Andre,

unfortunately the log you sent looks fine.
Here I prepared the same patch for Grizzly 2.3.4 [1], there is no need
to change the logging level, because the logs I'm interested in should
be logged using Level.INFO.

Thanks a lot.

WBR,
Alexey.

[1]
https://dl.dropboxusercontent.com/u/7319744/params/grizzly-http-2.3.4.jar

On 18.08.13 06:36, André Wallat wrote:
> Hi Alexey,
>
> I tried the patched library but wasn't able to reproduce it
> unfortunately. With version 2.3.4 and logging level set to FINE I
> could get the error (see attached file). The finer I set the logging
> level the less the error occurs. But maybe the exception shown in the
> attached log file already helps to figure out the problem!?
>
> I will try some more tests ...
>
> Cheers,
> André
>
>
>
> On Sat, Aug 17, 2013 at 10:36 PM, Oleksiy Stashok
> <oleksiy.stashok_at_oracle.com <mailto:oleksiy.stashok_at_oracle.com>> wrote:
>
> Hi Andre,
>
> I tried the same request, but still can't reproduce the issue.
> Can you pls. try this patch [1], which extends Grizzly parameters
> parsing logging. Once the issue is reproduced - pls. send us the
> server logging.
>
> Thank you.
>
> WBR,
> Alexey.
>
> [1]
> https://dl.dropboxusercontent.com/u/7319744/params/grizzly-http-2.3.5.jar
>
>
>
> On 17.08.13 04:48, André Wallat wrote:
>> Hi everyone,
>>
>> I was able to take a snapshot showing the data that lead to the
>> error.
>>
>> * at packet no. 40 you can see a successful login with the
>> response in no. 43
>> * at packet no. 204 you can see another login (with same form
>> parameters) with a denied error sent in no. 206
>>
>> I hope you can find out what's going wrong now :)
>> I was using an iPod touch and even on a Safari desktop browser
>> the problem occurred, however not that often!
>>
>> Cheers,
>> André
>>
>>
>> On Sat, Aug 17, 2013 at 4:52 AM, gajanan x.kulkarni
>> <gajanan.x.kulkarni_at_oracle.com
>> <mailto:gajanan.x.kulkarni_at_oracle.com>> wrote:
>>
>> ok lets wait on wireshark data from the André
>>
>> Thanks
>> Gajanan.
>>
>> On 8/17/2013 6:42 AM, Oleksiy Stashok wrote:
>>
>> I tried sending a request byte-by-byte, but still can't
>> reproduce the problem :(
>>
>>
>>
>> On 16.08.13 17:18, Gajanan wrote:
>>
>> Reason could be that request is coming in smaller
>> chunks and grizzly misses a char while joining the
>> chunks seen similare issue on sailfin in the fast. To
>> reproduce u need simple code which writes request in
>> small chunks.
>>
>> Sent from my Xperia™ smartphone
>>
>> André Wallat <andre.wallat_at_gmail.com
>> <mailto:andre.wallat_at_gmail.com>> wrote:
>>
>> Hello,
>>
>> I came across a strange error when I access my server
>> from the iPad browser Safari. Most of the times the
>> first character of the first form parameter is
>> removed, so instead of "username" the parameter
>> "sername" is received in my ContainerRequestFilter.
>> All the other parameters are fine. Other browsers
>> like Chrome, Firefox and even Android worked okay.
>>
>> Any ideas? Maybe someone can open up an issue for this?
>>
>> Here a bit more detailed scenario:
>> I send a post request with jQuery (v1.10.2) to my
>> server after I access my website the first time. I
>> think here it even works to transmit/convert the form
>> parameter correctly, but when I submit the data a
>> second time, then the first form parameter is losing
>> its first character. My website is a single-page-app
>> created with AngularJS.
>> With firefox light I could check the POST-request and
>> the submitted parameters were correct. So it has to
>> be an error in grizzly!?
>>
>> My workaround so far is to add a dummy-Parameter as
>> the first parameter, so that the other parameters
>> stay okay.
>>
>> Client: Safari iOS iPad 6.1.3
>> Server: Grizzly 2.3.5
>>
>> Cheers,
>> André
>>
>>
>>
>> --
>> "I say the glass is always full- half with air, half with
>> water!" - Modi
>>
>>
>
>