On Sun, Mar 24, 2013 at 4:46 PM, Konstantin Kolinko <knst.koli...@gmail.com>wrote:
> 2013/3/25 Thad Humphries <thad.humphr...@gmail.com>: > > I have a web-app that uses a servlet for downloading files from a > > repository--PDF, Office, images, zip, etc. It works with desktop > > browsers--IE, Firefox, Chrome, and Safari--on their various platforms. It > > also works fine with Firefox from Android (2.3 and 4.x tested). However > > when I try with Android's default WebKit browser, the servlet fails > > immediately with org.apache.catalina.connector.ClientAbortException (so > > says the stderr log). > > 1. Is this issue specific to some kind of files, or it occurs with all of > them? > All of them--PDF, XLS, DOC, DOCX, TIFF, ZIP, etc. Every file type I've tried. > 2. If client aborts a connection, there is nothing much a server can > do. It is issue in your web browser. > Yeah, I suspected that. > > The servlet is sending proper headers, including the correct MIME type, > > Content-Disposition attachment, file size, etc. I even took to adding the > > file's name as the last GET parameter. No dice. > > 3. Maybe the browser does not like "Content-Disposition attachment"? > Maybe it cannot save the file? > These same file types can be downloaded if the servlet is called by Firefox, or if the file is requested from a directory listing or in an email attachment. In these cases, with Android they go to the Downloads directory on the memory card; on iPad, DOCs open in Pages, PDFs in a viewer, etc. > 4. Does it depend on file size? How the file is served? (What > connector implementation are you using? Do you use compression, do you > use sendfile?) > Size does not matter, a few K or a several hundred K. > Safari on iPad, iPhone, and iPod Touch also fail. Although I don't have > one > > with me at this moment to test, I suspect their failure is also caused > by a > > ClientAbortException: Safari is also WebKit and *I've Google'd numerous > > complaints about this exception when using mobile WebKit browsers*. > While I > > can tell Android users to try Firefox, there is no Firefox for iPhone. > > > > I'm expecting a file to open in a local viewer app, like Acrobat Reader, > > QuickOffice, Pages, etc. I can open files in these apps via Firefox, an > > email client, or via the WebKit browser when viewing a directory listing > in > > my public_html directories and similar locations. > > > > I suspect this is a problem with mobile WebKit, and that circumventing > the > > abort might be a "bad thing" even if it's possible. However I thought I'd > > inquire here if there is a Tomcat way around it. If not, it seems my > > alternatives are (1) use Java Mail to mail the user the file, since mail > > apps open their attachments; and (2) write iOS and Android apps file > query > > and downloading. Neither prospect thrills me. > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > > -- "Hell hath no limits, nor is circumscrib'd In one self-place; but where we are is hell, And where hell is, there must we ever be" --Christopher Marlowe, *Doctor Faustus* (v, 121-24)
