Re: Problem Downloading Large Files
Re: Problem Downloading Large Files
- Subject: Re: Problem Downloading Large Files
- From: Aaron Rosenzweig <email@hidden>
- Date: Tue, 07 May 2019 17:29:40 -0400
Harjinder - can you try a smallish file - like 5 megs - and confirm that that
works and maybe only breaks when you have something bigger than 2 gigs?
AARON ROSENZWEIG / Chat 'n Bike <http://www.chatnbike.com/>
e: email@hidden <mailto:email@hidden> t: (301) 956-2319
> On May 7, 2019, at 4:08 PM, Harjinder Singh <email@hidden>
> wrote:
>
> As per the logs everything is ok. No errors.
> It found the correct file and seems to be setting the content stream with
> correct size.
>
> Thanks,
> Harjinder Singh | Sr. Programmer Analyst
> PortfolioAid
> t. 416-479-4413 | e. email@hidden
> a. 166 Pearl Street, Suite 200 Toronto, ON M5H 1L3
>
> -----Original Message-----
> From: Jesse Tayler [mailto:email@hidden]
> Sent: Tuesday, May 7, 2019 3:50 PM
> To: Aaron Rosenzweig <email@hidden>
> Cc: Harjinder Singh <email@hidden>; Ruveen de Lanerolle
> <email@hidden>; email@hidden
> Subject: Re: Problem Downloading Large Files
>
> Did you check the logs?
>
>
>
>> On May 7, 2019, at 3:35 PM, Aaron Rosenzweig <email@hidden> wrote:
>>
>> That is unfortunate because that code works for me.
>>
>> There must be some other issue going on.
>> AARON ROSENZWEIG / Chat 'n Bike
>> e: email@hidden t: (301) 956-2319
>>
>>
>>> On May 7, 2019, at 3:29 PM, Harjinder Singh <email@hidden>
>>> wrote:
>>>
>>> Hi Aaron,
>>>
>>> This did not work. When I download the file is always 0KB.
>>>
>>> Thanks,
>>> Harjinder Singh | Sr. Programmer Analyst PortfolioAid t. 416-479-4413
>>> | e. email@hidden a. 166 Pearl Street, Suite 200
>>> Toronto, ON M5H 1L3
>>>
>>>
>>> From: Aaron Rosenzweig [mailto:email@hidden] On Behalf
>>> Of Aaron Rosenzweig
>>> Sent: Friday, May 3, 2019 5:48 PM
>>> To: Leigh Kivenko <email@hidden>
>>> Cc: Hugi Thordarson <email@hidden>;
>>> email@hidden; Harjinder Singh
>>> <email@hidden>; Ruveen de Lanerolle
>>> <email@hidden>
>>> Subject: Re: Problem Downloading Large Files
>>>
>>> Leigh,
>>>
>>> See if this might help:
>>>
>>> WOResponse aResponse = context().response();
>>> aResponse.setHeader("application/zip", "Content-Type");
>>> aResponse.setHeader("" + getZipFile().length() + "",
>>> "Content-Length"); aResponse.setHeader("attachment;filename=\"" +
>>> getZipFile().getName() + "\"","Content-Disposition"); FileInputStream
>>> inputStream = new FileInputStream(getZipFile());
>>> aResponse.setContentStream(inputStream, 0, getZipFile().length());
>>> return aResponse;
>>>
>>> AARON ROSENZWEIG / Chat 'n Bike
>>> e: email@hidden t: (301) 956-2319
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> On May 3, 2019, at 4:53 PM, Leigh Kivenko <email@hidden> wrote:
>>>
>>> Thanks for the quick response Hugi.
>>>
>>> We tried using FileInputStream with setContentStream. It was also giving
>>> 0Kb files as well.
>>>
>>> Leigh Kivenko | Chief Technology Officer PortfolioAid t. 416-479-0523
>>> | e. email@hidden
>>>
>>> This e-mail may be privileged and confidential. If you received this e-mail
>>> in error, please do not use, copy or distribute it, but advise me
>>> immediately (by return e-mail or otherwise), and delete the e-mail.
>>>
>>> From: Hugi Thordarson [mailto:email@hidden]
>>> Sent: Friday, May 03, 2019 2:07 PM
>>> To: Leigh Kivenko <email@hidden>
>>> Cc: email@hidden
>>> Subject: Re: Problem Downloading Large Files
>>>
>>> Hi Leigh,
>>> since the InputStream is called "byteIn" I'm guessing it's a
>>> ByteArrayInputStream, meaning the data it contains has been loaded to
>>> memory.
>>> If you have an actual file, you might consider using a FileInputStream
>>> instead.
>>>
>>> Cheers,
>>> - hugi
>>>
>>>
>>> On 3 May 2019, at 18:02, Leigh Kivenko <email@hidden> wrote:
>>>
>>> Hi All,
>>> I was wondering if anyone has encountered this issue and has been able to
>>> resolve it:
>>>
>>> In one page of our web app, users have the ability to download files. We
>>> are having an issue when the user attempts to download a large file (>
>>> 500MB - zip), where the app throws an Out of Memory error. The download
>>> functionality is coded by:
>>> 1. Converting the file to FileInputStream and then to NSData
>>> 2. appending the file to the WOResponse.
>>> a. response.appendContentData(fileNSData)
>>>
>>> This approach is described here :
>>> https://en.wikibooks.org/wiki/WebObjects/Web_Applications/Development
>>> /Examples/Return_a_File
>>>
>>> We also tried using the following approach (also described in link above):
>>> 1. Using ByteArrayInputStream
>>> Ø response.setContentStream(byteIn, 4096, length);
>>>
>>> In both cases, the user receives a 0KB file.
>>>
>>> Does anyone have any recommended approaches to serve a large file through
>>> the application? Please note the file lives on the application server but
>>> for security purposes we wouldn’t want it directly accessible.
>>>
>>> Thanks,
>>> Leigh Kivenko | Chief Technology Officer PortfolioAid t. 416-479-0523
>>> | e. email@hidden
>>>
>>> This e-mail may be privileged and confidential. If you received this e-mail
>>> in error, please do not use, copy or distribute it, but advise me
>>> immediately (by return e-mail or otherwise), and delete the e-mail.
>>>
>>> _______________________________________________
>>> Do not post admin requests to the list. They will be ignored.
>>> Webobjects-dev mailing list (email@hidden)
>>> Help/Unsubscribe/Update your Subscription:
>>> n.is
>>>
>>> This email sent to email@hidden
>>>
>>> _______________________________________________
>>> Do not post admin requests to the list. They will be ignored.
>>> Webobjects-dev mailing list (email@hidden)
>>> Help/Unsubscribe/Update your Subscription:
>>> ike.com
>>>
>>> This email sent to email@hidden
>>
>> _______________________________________________
>> Do not post admin requests to the list. They will be ignored.
>> Webobjects-dev mailing list (email@hidden)
>> Help/Unsubscribe/Update your Subscription:
>> .com
>>
>> This email sent to email@hidden
>
_______________________________________________
Do not post admin requests to the list. They will be ignored.
Webobjects-dev mailing list (email@hidden)
Help/Unsubscribe/Update your Subscription:
This email sent to email@hidden