Who is throwing the NPE? I can't tell by your code what's causing it.
On 8/1/07, Frank W. Zammetti <[EMAIL PROTECTED]> wrote: > > 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. 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