Are you sure that you didn't exhaust somewhere the file handles? > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On > Behalf Of Fernandez Garcia, Cesar > Sent: Monday, May 09, 2005 1:42 PM > To: itext-questions@lists.sourceforge.net > Subject: [iText-questions] PdfStamper.close throw NullPointerException > > hello all, > i am using Spring and have a view that works well for a time > but after a > hours begin to throws exception all the requests: > > the view is: > public class FormularioPdfView extends AbstractView { > > private static final int OUTPUT_BYTE_ARRAY_INITIAL_SIZE = 1024; > > public FormularioPdfView() { > setContentType("application/pdf"); > } > > protected final void renderMergedOutputModel(Map model, > HttpServletRequest request, HttpServletResponse response) > throws Exception { > > ByteArrayOutputStream byteFormulario = new > ByteArrayOutputStream(OUTPUT_BYTE_ARRAY_INITIAL_SIZE); > > Map pdfFields = (Map)model.get("pdfFields"); > byte[] templateImpreso = > (byte[])model.get("templateImpreso"); > > pasteTemplateFormulario(pdfFields, templateImpreso, > byteFormulario); > > // Write content type and also length > (determined via byte > array). > response.setContentType(getContentType()); > response.setHeader("Content-disposition", > "attachment" ); > response.setContentLength(byteFormulario.size()); > > // Flush byte array to servlet output stream. > ServletOutputStream out = response.getOutputStream(); > byteFormulario.writeTo(out); > out.flush(); > } > > private void pasteTemplateFormulario(Map fieldsForm, byte[] > bImpreso, OutputStream byteFormulario) throws Exception > { > PdfReader reader = new PdfReader(bImpreso); > > PdfStamper stamp = new PdfStamper(reader, > byteFormulario); > AcroFields acroFields = stamp.getAcroFields(); > > Iterator entries = fieldsForm.entrySet().iterator(); > while (entries.hasNext()) > { > Map.Entry entry = (Map.Entry)entries.next(); > String key = entry.getKey().toString(); > String value = (entry.getValue() != null ? > entry.getValue().toString() : ""); > acroFields.setField(key, value); > } > stamp.close(); // throw NullPointerException > } > } > [/code] > > the exception: > > [9/05/05 13:50:28:691 CEST] 2c006234 WebGroup X Servlet Error: : > java.lang.NullPointerException > at > com.lowagie.text.pdf.PRStream.toPdf(PRStream.java(Compiled Code)) > at > com.lowagie.text.pdf.PdfIndirectObject.writeTo(PdfIndirectObje > ct.java(Compil > ed Code)) > at > com.lowagie.text.pdf.PdfWriter$PdfBody.add(PdfWriter.java(Comp > iled Code)) > at > com.lowagie.text.pdf.PdfWriter.addToBody(PdfWriter.java(Inlined > Compiled Code)) > at > com.lowagie.text.pdf.PdfStamperImp.close(PdfStamperImp.java(Co > mpiled Code)) > at com.lowagie.text.pdf.PdfStamper.close(PdfStamper.java:185) > at > iam.formularios.web.views.FormularioPdfView.pasteTemplateFormu > lario(Formular > ioPdfView.java:123) > at > iam.formularios.web.views.FormularioPdfView.renderMergedOutput > Model(Formular > ioPdfView.java:83) > at > org.springframework.web.servlet.view.AbstractView.render(Abstr > actView.java:2 > 50) > at > org.springframework.web.servlet.DispatcherServlet.render(Dispa > tcherServlet.j > ava:917) > at > org.springframework.web.servlet.DispatcherServlet.doDispatch(D > ispatcherServl > et.java:696) > at > org.springframework.web.servlet.DispatcherServlet.doService(Di > spatcherServle > t.java:623) > at > org.springframework.web.servlet.FrameworkServlet.serviceWrappe > r(FrameworkSer > vlet.java:384) > at > org.springframework.web.servlet.FrameworkServlet.doGet(Framewo > rkServlet.java > :344) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:740) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) > at > com.ibm.servlet.engine.webapp.StrictServletInstance.doService( > ServletManager > .java:827) > at > com.ibm.servlet.engine.webapp.StrictLifecycleServlet._service( > StrictLifecycl > eServlet.java:167) > at > com.ibm.servlet.engine.webapp.IdleServletState.service(StrictL > ifecycleServle > t.java:297) > at > com.ibm.servlet.engine.webapp.StrictLifecycleServlet.service(S > trictLifecycle > Servlet.java:110) > at > com.ibm.servlet.engine.webapp.ServletInstance.service(ServletM > anager.java:47 > 2) > at > com.ibm.servlet.engine.webapp.ValidServletReferenceState.dispa > tch(ServletMan > ager.java:1012) > at > com.ibm.servlet.engine.webapp.ServletInstanceReference.dispatc > h(ServletManag > er.java:913) > at > com.ibm.servlet.engine.webapp.WebAppRequestDispatcher.handleWe > bAppDispatch(W > ebAppRequestDispatcher.java:721) > at > com.ibm.servlet.engine.webapp.WebAppRequestDispatcher.dispatch > (WebAppRequest > Dispatcher.java:374) > at > com.ibm.servlet.engine.webapp.WebAppRequestDispatcher.forward( > WebAppRequestD > ispatcher.java:118) > at > com.ibm.servlet.engine.srt.WebAppInvoker.doForward(WebAppInvok > er.java:134) > at > com.ibm.servlet.engine.srt.WebAppInvoker.handleInvocationHook( > WebAppInvoker. > java:239) > at > com.ibm.servlet.engine.invocation.CachedInvocation.handleInvoc > ation(CachedIn > vocation.java:67) > at > com.ibm.servlet.engine.invocation.CacheableInvocationContext.i > nvoke(Cacheabl > eInvocationContext.java:106) > at > com.ibm.servlet.engine.srp.ServletRequestProcessor.dispatchByU > RI(ServletRequ > estProcessor.java:154) > at > com.ibm.servlet.engine.oselistener.OSEListenerDispatcher.servi > ce(OSEListener > .java:317) > at > com.ibm.servlet.engine.http11.HttpConnection.handleRequest(Htt > pConnection.ja > va:60) > at > com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnec > tion.java:477) > at com.ibm.ws.http.HttpConnection.run(HttpConnection.java:351) > at > com.ibm.ws.util.CachedThread.run(ThreadPool.java(Compiled Code)) > anyone what happen??? > > thanks in advance, > César. > > > ------------------------------------------------------- > This SF.Net email is sponsored by: NEC IT Guy Games. > Get your fingers limbered up and give it your best shot. 4 > great events, 4 > opportunities to win big! Highest score wins.NEC IT Guy Games. Play to > win an NEC 61 plasma display. Visit http://www.necitguy.com/?r=20 > _______________________________________________ > iText-questions mailing list > iText-questions@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/itext-questions >
------------------------------------------------------- This SF.Net email is sponsored by: NEC IT Guy Games. Get your fingers limbered up and give it your best shot. 4 great events, 4 opportunities to win big! Highest score wins.NEC IT Guy Games. Play to win an NEC 61 plasma display. Visit http://www.necitguy.com/?r _______________________________________________ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions
