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 <lei...@portfolioaid.com> 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 > > <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. lei...@portfolioaid.com <mailto:lei...@portfolioaid.com> > > 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 (Webobjects-dev@lists.apple.com > <mailto:Webobjects-dev@lists.apple.com>) > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/webobjects-dev/hugi%40karlmenn.is > <https://lists.apple.com/mailman/options/webobjects-dev/hugi%40karlmenn.is> > > This email sent to h...@karlmenn.is <mailto:h...@karlmenn.is>
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