Path: csiph.com!x330-a1.tempe.blueboxinc.net!feeder1.hal-mli.net!news.glorb.com!news-out.readnews.com!news-xxxfer.readnews.com!news-out.news.tds.net!newsreading01.news.tds.net!86597e80!not-for-mail From: "imranbaseer" Subject: Re: PDF Processing Message-ID: <7b4b893ff529e@uwe> X-Comment-To: comp.lang.java.gui Newsgroups: comp.lang.java.gui In-Reply-To: <7b40e415bd6c4@uwe> References: <7b40e415bd6c4@uwe> Content-Type: text/plain; charset=IBM437 Content-Transfer-Encoding: 8bit X-Gateway: time.synchro.net [Synchronet 3.15a-Win32 NewsLink 1.92] Lines: 55 Date: Wed, 27 Apr 2011 15:41:01 GMT NNTP-Posting-Host: 96.60.20.240 X-Complaints-To: news@tds.net X-Trace: newsreading01.news.tds.net 1303918861 96.60.20.240 (Wed, 27 Apr 2011 10:41:01 CDT) NNTP-Posting-Date: Wed, 27 Apr 2011 10:41:01 CDT Organization: TDS.net Xref: x330-a1.tempe.blueboxinc.net comp.lang.java.gui:2767 To: comp.lang.java.gui 10 is the number of pages of the pdf file..... nullpointer exception in getproperty() method........ Andrew Thompson wrote: >... >> I am PDF Processing...When i tried to execute the following code ,it >>thows NULLPOINTER exception... > >Did you mean a NullPointerException? > >If so, >a) Please don't SHOUT at us. >and >b) Please be specific. > >Programming is hard. Debugging is harder. >Debugging an application remotely, where the >exceptions and errors are being 'paraphrased' is >even harder again. > >Don't make it hard on us (please). > >>...The exception occured at this line System.out. >>println(view.getProperty("Default_Zoom_Type")); > >I would have guessed that if any property either does not >exist, or is not defined for that PDF file, it returns null. > >OTOH, that does not explain the exception, since the output >should simply have been >null >like this line would print.. > System.out.println((String)null); > >Indeed, the NPE suggests the viewer itself is null, but if >so, the page count could not have been referenced on the >previous line*. > >* >> System.out.println(view.getPageCount()); > >Which leads me to.. >Please copy/paste the stacktrace. As well as the >output you are seeing. > -- Message posted via JavaKB.com http://www.javakb.com/Uwe/Forums.aspx/java-gui/200711/1 --- * Synchronet * The Whitehouse BBS --- whitehouse.hulds.com --- check it out free usenet! --- Synchronet 3.15a-Win32 NewsLink 1.92 Time Warp of the Future BBS - telnet://time.synchro.net:24