On 8 Oct 2008, at 16:15, Lastps wrote:

>
> Yes -- seems like attachment_fu or mysql (?) might be truncating.
> Weird though as the file size is not very large -- just 10kb.  In my
> experience, truncation occurs because you are handling large files...

I suppose you need to pinpoint where it happens: before the image hit  
your app, before attachment fu tried to save it, when mysql was given  
the image, after retrieval from the database etc...

Fred
>
>
> On Oct 8, 10:08 am, Frederick Cheung <[EMAIL PROTECTED]>
> wrote:
>> On 8 Oct 2008, at 16:00, Lastps wrote:
>>
>>
>>
>>> Just tried something else --
>>> Changed disposition to "attachment" and used Firefox to successfully
>>> download the file.  When I tried to open the file (in GIMP) I  
>>> received
>>> these error messages:
>>> -- Premature end of JPEG file
>>> -- Invalid JPEG file structure: missing SOS marker
>>> So, I guess attachment_fu is not saving the files properly to my
>>> db_file table...
>>
>> that sounds like its getting truncated.
>>
>> Fred
>>
>>
>>
>>
>>
>>> On Oct 8, 9:54 am, Lastps <[EMAIL PROTECTED]> wrote:
>>>> i guess that's the point in that the browser is not displaying the
>>>> image -- it is just displaying the error gif, ie, a box with a  
>>>> red x
>>>> in it indicating that i can't load the image.
>>
>>>> Fred, i really appreciate the time you're dedicating here...
>>
>>>> On Oct 8, 9:51 am, Frederick Cheung <[EMAIL PROTECTED]>
>>>> wrote:
>>
>>>>> On 8 Oct 2008, at 15:47, Lastps wrote:
>>
>>>>>> logs say that all is ok:
>>>>>> Sending data my_image.jpg
>>>>>> Completed in 0.09400 (10 reqs/sec) | Rendering: 0.00000 (0%) |  
>>>>>> DB:
>>>>>> 0.08000 (85%) | 200 OK [http://localhost/photo/get_image/5]
>>
>>>>>> Interesting question you ask about how do the bytes differ.  I
>>>>>> guess I
>>>>>> first need to find a "tool of my choice" other than my two  
>>>>>> browsers
>>>>>> (IE and Firefox) -- any suggestions?
>>
>>>>> using the browser to save the image to disk would be one way.
>>
>>>>> Fred
>>
>>>>>> On Oct 8, 9:18 am, Frederick Cheung <[EMAIL PROTECTED]>
>>>>>> wrote:
>>>>>>> On 8 Oct 2008, at 15:05, Lastps wrote:
>>
>>>>>>>> Thanks for the suggestion --
>>>>>>>> I get the same red box with the x.
>>
>>>>>>> Do the logs indicate that an error occured ? If not and if you  
>>>>>>> use
>>>>>>> the
>>>>>>> tool of your choice to download the image, how do the bytes  
>>>>>>> differ
>>>>>>> from the bytes you would expect.
>>
>>>>>>> Fred
>>
>>>>>>>> On Oct 8, 8:47 am, Frederick Cheung  
>>>>>>>> <[EMAIL PROTECTED]>
>>>>>>>> wrote:
>>>>>>>>> On Oct 8, 2:32 pm, Lastps <[EMAIL PROTECTED]> wrote:
>>
>>>>>>>>>> I am using image_tag to load an image that I've saved to the
>>>>>>>>>> database
>>>>>>>>>> (using attachment_fu if you're curious but that's probably  
>>>>>>>>>> not
>>>>>>>>>> relevant here):
>>
>>>>>>>>> I'd copy and paste that image link into the browser (ie
>>>>>>>>> yourserver,com/
>>>>>>>>> photo/get_image/5) and see what the browser pulls out.
>>
>>>>>>>>> Fred
>>
>>>>>>>>>> VIEW
>>>>>>>>>> <%= image_tag '/photo/get_image/5' %>
>>
>>>>>>>>>> CONTROLLER
>>>>>>>>>> def get_image
>>>>>>>>>>   @photo=Photo.find(params[:id])
>>>>>>>>>>   send_data(DbFile.find(@photo.db_file_id).data,
>>>>>>>>>>                             :type => @photo.content_type,
>>>>>>>>>>                             :file_name =>
>>>>>>>>>> @photo.filename,
>>>>>>>>>>                             :disposition => 'inline')
>>>>>>>>>> end
>>
>>>>>>>>>> The images I'm saving are less than 100kb and easily handled
>>>>>>>>>> by my
>>>>>>>>>> mysql column of db_file.data which is declared MEDIUMBLOB.
>>
>>>>>>>>>> My problem is that the view works perfectly in production but
>>>>>>>>>> not at
>>>>>>>>>> all in development -- in development I just get a broken  
>>>>>>>>>> image
>>>>>>>>>> graphic
>>>>>>>>>> with a box and a red x.
>>
>>>>>>>>>> Any ideas on how to troubleshoot this?  Since it doesn't seem
>>>>>>>>>> to
>>>>>>>>>> be my
>>>>>>>>>> code (it works fine in production) I'm at a loss on how to
>>>>>>>>>> figure
>>>>>>>>>> this
>>>>>>>>>> out.- Hide quoted text -
>>
>>>>>>>>> - Show quoted text -- Hide quoted text -
>>
>>>>>>> - Show quoted text -- Hide quoted text -
>>
>>>>> - Show quoted text -- Hide quoted text -
>>
>>>> - Show quoted text -- Hide quoted text -
>>
>> - Show quoted text -
> >


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