You know, I just reread what your trying to do... have you tried using a global exception handler? I'm not sure you'll be able to catch the exception with one, but if you give it a try and you can, there you go, you can forward as desired from there.
-- Frank W. Zammetti Founder and Chief Software Architect Omnytex Technologies http://www.omnytex.com AIM/Yahoo: fzammetti MSN: [EMAIL PROTECTED] Author of "Practical Ajax Projects With Java Technology" (2006, Apress, ISBN 1-59059-695-1) and "JavaScript, DOM Scripting and Ajax Projects" (2007, Apress, ISBN 1-59059-816-4) Java Web Parts - http://javawebparts.sourceforge.net Supplying the wheel, so you don't have to reinvent it! On Wed, August 1, 2007 10:38 am, Gundersen, Richard wrote: > Hi > > Thanks for the reply. Tried it and it still gives me a NullPointer. > Maybe that's not such a problem though - since the browser still > redirects to the JSP I want. > > However, I was wondering if it's possible to use a ResourceStreamInfo to > redirect to an ActionForward (which ultimately leads to a JSP). Would > this be preferable to using RequestDispatcher.forward(request, > response)? > > Richard Gundersen > Java Developer > > Email: [EMAIL PROTECTED] > Phone: 01618302398 > Fax: 01618342536 > London Scottish Bank plc > 24 Mount Street > Manchester > M2 3LS > > -----Original Message----- > From: Frank W. Zammetti [mailto:[EMAIL PROTECTED] > Sent: Wednesday, August 01, 2007 2:47 PM > To: Struts Users Mailing List > Cc: user@struts.apache.org > Subject: Re: DownloadAction and a normal Forward > > It's not the *right* answer, and I'm not sure it won't cause some other > exception anyway (in fact, I'd bet it would), but what if instead of > returning null you instead do: > > return new ByteArrayStreamInfo(null, null); > > ? > > Frank > > -- > Frank W. Zammetti > Founder and Chief Software Architect > Omnytex Technologies > http://www.omnytex.com > AIM/Yahoo: fzammetti > MSN: [EMAIL PROTECTED] > Author of "Practical Ajax Projects With Java Technology" > (2006, Apress, ISBN 1-59059-695-1) > and "JavaScript, DOM Scripting and Ajax Projects" > (2007, Apress, ISBN 1-59059-816-4) > Java Web Parts - http://javawebparts.sourceforge.net > Supplying the wheel, so you don't have to reinvent it! > > On Wed, August 1, 2007 9:24 am, Gundersen, Richard wrote: >> Hi >> >> I'm using a DownloadAction to generate a PDF and return it the the >> browser. If there is a problem generating the PDF however, I want to >> redirect the user to a specific JSP. >> >> What's the best way of doing this? At the moment I am using >> >> >> protected StreamInfo getStreamInfo(ActionMapping mapping, ActionForm >> form, >> HttpServletRequest request, >> HttpServletResponse response) { >> ... >> ... >> ... >> if(problem) >> >> > servlet.getServletContext().getRequestDispatcher("/admin.do?doAction=alr >> eadyPrinted").forward(request, response); >> return null; >> } >> else { >> return new ByteArrayStreamInfo(contentType, myPdfBytes); >> } >> } >> >> This works, but I always get a NullPointer, because I'm returning null >> to satisfy the method signature. The exception doesn't cause a problem >> for the user though, because the forward has already happened by then >> (and the user is happily viewing the JSP) >> >> Is there a better way to do this though - perhaps with >> ResourceStreamInfo instead? >> >> Regards >> >> Richard Gundersen >> Java Developer >> >> Email: [EMAIL PROTECTED] >> Phone: 01618302398 >> Fax: 01618342536 >> London Scottish Bank plc >> 24 Mount Street >> Manchester >> M2 3LS >> >> >> *** Disclaimer *** >> >> This electronic communication is confidential and for the exclusive > use of >> the addressee. It may contain private and confidential information. > The >> information, attachments and opinions contained in this E-mail are > those >> of its author only and do not necessarily represent those of London >> Scottish Bank PLC or any other members of the London Scottish Group. >> >> If you are not the intended addressee, you are prohibited from any >> disclosure, distribution or further copying or use of this > communication >> or the information in it or taking any action in reliance on it. If > you >> have received this communication in error please notify the > Information >> Security Manager at [EMAIL PROTECTED] as soon as possible and > delete >> the message from all places in your computer where it is stored. >> >> We utilise virus scanning software but we cannot guarantee the > security of >> electronic communications and you are advised to check any attachments > for >> viruses. We do not accept liability for any loss resulting from any >> corruption or alteration of data or importation of any virus as a > result >> of receiving this electronic communication. >> >> Replies to this E-mail may be monitored for operational or business >> reasons. London Scottish Bank PLC is regulated by the Financial > Services >> Authority. >> ______________________________________________________________________ >> This email has been scanned by the MessageLabs Email Security System. >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [EMAIL PROTECTED] >> For additional commands, e-mail: [EMAIL PROTECTED] >> >> > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > ______________________________________________________________________ > This email has been scanned by the MessageLabs Email Security System. > For more information please visit http://www.messagelabs.com/email > ______________________________________________________________________ > > *** Disclaimer *** > > This electronic communication is confidential and for the exclusive use of > the addressee. It may contain private and confidential information. The > information, attachments and opinions contained in this E-mail are those > of its author only and do not necessarily represent those of London > Scottish Bank PLC or any other members of the London Scottish Group. > > If you are not the intended addressee, you are prohibited from any > disclosure, distribution or further copying or use of this communication > or the information in it or taking any action in reliance on it. If you > have received this communication in error please notify the Information > Security Manager at [EMAIL PROTECTED] as soon as possible and delete > the message from all places in your computer where it is stored. > > We utilise virus scanning software but we cannot guarantee the security of > electronic communications and you are advised to check any attachments for > viruses. We do not accept liability for any loss resulting from any > corruption or alteration of data or importation of any virus as a result > of receiving this electronic communication. > > Replies to this E-mail may be monitored for operational or business > reasons. London Scottish Bank PLC is regulated by the Financial Services > Authority. > ______________________________________________________________________ > This email has been scanned by the MessageLabs Email Security System. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
