Re: Data truncation problems

Hehe, sorry..  I didn't really mean to speak geek. Given the version of 
firefox and OS I think we can say it is a server-side problem, which most 
likely makes it a problem with Mod_Survey. I just don't know where to 
begin to look right now.

   // Joel


On Sat, 25 Mar 2006, Jennifer Kurkoski wrote:

> Hi folks,
>
> So, I have to admit that I'm not an engineer. Although I speak geek, we're
> out of my league now. After discussing the issues w/ the engineer who set up
> the server for me and installed the software, we're going to port to a
> commercial service licensed during the time in which we set up mod_perl. The
> aforementioned engineer is swamped w/ a couple other launches right now, but
> I'll ping him in a week or so to get the system details. FWIW, I replicated
> the problems using Firefox 1.0.7 on XP Pro.
>
> Thanks for all the help! I'll get those system details.
>
> - Jennifer
>
> On 3/24/06, Joel Palmius <[email protected]> wrote:
>>
>> Hrm. I'm not able to replicate the phenomenon. I've copied and pasted
>> /etc/services (approx 30k text) into a memo and submitted, which works.
>> Then I've copied and pasted it into 10 consecutive memos in one survey
>> page, which also works. So with up around 300k data in one page submit,
>> I've not had a problem. I've not tested with more data.
>>
>> Which leaves us with a system-specific problem. Can you post details about
>> OS, perl version, mod_perl version, apache version, used browser and any
>> other configuration details you think might be interesting? (For example,
>> did you do any particular security settings in apache, such as limiting
>> caches or similar)
>>
>>    // Joel
>>
>> On Tue, 21 Mar 2006, Jennifer Kurkoski wrote:
>>
>>> Hi Joel & all,
>>>
>>> Thanks for the reply. Here are a few more details ....
>>>
>>> The text submission wasn't especially large: just over 2K characters
>>> (including spaces). And MEMO never once accepted the whole text block.
>>>
>>> The total text accepted depended on the point in the survey at which I
>>> pasted it in (that is, the question #).
>>>
>>> The MEMO questions occur near the end and then again at the very end of
>> the
>>> survey. The later in the survey that I pasted in text blocks, the less
>> total
>>> text accepted (Note: By "accepted" I mean the amount of text that was
>>> present when I pulled the data. There's no error or other indication
>> from
>>> mod_survey that any problem as occurred).
>>>
>>> Also of note: once text was truncated in one MEMO question, no text
>> appeared
>>> at all in any subsequent MEMO questions.
>>>
>>> The whole survey contains ~26 questions, all on a single page. Some
>>> questions are MATRIX (ranging from 2-15 rows), some LIST, some CHOICE,
>> some
>>> TEXT and some MEMO.
>>>
>>> I hope that helps. Looking forward to hearing quick and easy solutions.
>> ;-)
>>>
>>> Thanks again,
>>>
>>> - Jennifer
>>> (whose disseration research kinda' depends on this thing)
>>>
>>>
>>>
>>> On 3/21/06, Joel Palmius <[email protected]> wrote:
>>>>
>>>> Never saw this happen with reasonably large posts inside MEMOs myself.
>> You
>>>> should easily get a few kilobytes of data inside a MEMO. But there are
>>>> reasons why large posts could be truncated.
>>>>
>>>> There are limitations in the http protocol automatically truncating
>> very
>>>> long data submission when using plain forms. For a GET submit, only
>>>> something like 1k data is allowed in a submit, for POST this is larger
>>>> although unknown (it is not defined, it is dependent on both browser
>> and
>>>> server). We currently use POST with no special encoding.
>>>>
>>>> Further, the MEMO (in practise html's textarea) is limited in length.
>> This
>>>> limitation is also unknown.
>>>>
>>>> For very long chunks of data (in the size of hundreds of k) inside one
>>>> submit, one would have to use a different form encoding, and probably
>> file
>>>> uploads.
>>>>
>>>> Could you post more details on the structure of the survey and how
>> large
>>>> the posted data was?
>>>>
>>>>    // Joel
>>>>
>>>>
>>>> On Mon, 20 Mar 2006, Jennifer Kurkoski wrote:
>>>>
>>>>> Hi all,
>>>>>
>>>>> I'm having two problems I'm hoping someone here can solve. This is the
>>>> first
>>>>> (the second coming in a separate msg).
>>>>>
>>>>> I'm running mod_survey version 3.2.2.
>>>>>
>>>>> Data are being truncated when written to file. I have several MEMO
>>>> blocks in
>>>>> my survey. I tested the curious behavior by posting large chunks of
>> text
>>>> (~3
>>>>> long-ish paragraphs) into the MEMO blocks in different configurations
>>>>> (skipping Q #1 & 4, for example). The result was always the same: The
>>>> first
>>>>> instance of the text block would be cut off at some point into it and
>> no
>>>>> other subsequent text blocks would apppear at all. Sadly, I discovered
>>>> this
>>>>> bug w/ a live survey. Blah.
>>>>>
>>>>> I tried searching the archives but found nothing. Anyone have any idea
>>>>> what's going on?
>>>>>
>>>>> Many thanks!!
>>>>>
>>>>> - Jennifer
>>>>>
>>>>>
>>>>> --
>>>>> For best results, follow directions on bottle ...
>>>>> and use my permanent address:
>>>>>     [email protected]
>>>>>
>>>> Skickat av Joel Palmius <[email protected]>
>>>> till survey-discussion
>>>>
>>>
>>>
>>>
>>> --
>>> For best results, follow directions on bottle ...
>>> and use my permanent address:
>>>     [email protected]
>>>
>> Skickat av Joel Palmius <[email protected]>
>> till survey-discussion
>>
>
>
>
> --
> For best results, follow directions on bottle ...
> and use my permanent address:
>     [email protected]
>
Skickat av Joel Palmius <[email protected]>
till survey-discussion