I placed a synchronization block around the renderImageWithDPI method and the problem goes away but since this method can take some time to complete it slows the whole process down. This problem happens right away and just after the so many documents. I will try with a different set of documents as I think the ones I am working were created using IText. -----Original Message----- From: Tilman Hausherr [mailto:[email protected]] Sent: Thursday, June 04, 2015 2:33 PM To: [email protected] Subject: Re: PDFRederer PdfBox-2.0
I have opened https://issues.apache.org/jira/browse/PDFBOX-2824 . Amusingly / tragically, I have the same problem and I'm a committer here. I did try setting "synchronized" at a few suspicious places, but it didn't help. My problem is that the error happens only about every 50 build. Can you provoke the error with one or several non confidential files? That would be helpful. Tilman Am 04.06.2015 um 21:20 schrieb Kirk, Kenneth: > I have a client application that convert pdf documents into single page tiff > images. Since the user export large quantities of documents I use a > multithreaded approach. Each thread loads it own document and converts the > pages one by one. > The pdf file is serialized to the client thread and then each thread executes > the following code. If I only use 1 thread there is no problem. I checked > to make sure objects are shared between threads. > > docin = PDDocument.load(new > ByteArrayInputStream(documentResult.getImage().getContent()),true); > if(null==docin) > throw new Exception("Invalid PDF document or an occured during > retrieval"); > int numPages = docin.getNumberOfPages(); > String strPath = getPath(numPages); > int iPage = 0; > PDFRenderer renderer = new PDFRenderer(docin); > for (int i=0;i<numPages;i++) > { > PDPage page = docin.getPage(i); > PDRectangle rect = page.getMediaBox(); > BufferedImage pageImage = null; > pageImage = renderer.renderImageWithDPI(i, 200f, > ImageType.BINARY); > ... > } > > Array index out of range: 8 > at > org.apache.fontbox.ttf.GlyfSimpleDescript.readFlags(GlyfSimpleDescript.java:202) > at > org.apache.fontbox.ttf.GlyfSimpleDescript.<init>(GlyfSimpleDescript.java:77) > at org.apache.fontbox.ttf.GlyphData.initData(GlyphData.java:58) > at org.apache.fontbox.ttf.GlyphTable.getGlyph(GlyphTable.java:161) > at > org.apache.pdfbox.rendering.TTFGlyph2D.getPathForGID(TTFGlyph2D.java:140) > at > org.apache.pdfbox.rendering.TTFGlyph2D.getPathForCharacterCode(TTFGlyph2D.java:92) > at > org.apache.pdfbox.rendering.PageDrawer.drawGlyph2D(PageDrawer.java:333) > at > org.apache.pdfbox.rendering.PageDrawer.showFontGlyph(PageDrawer.java:314) > at > org.apache.pdfbox.contentstream.PDFStreamEngine.showGlyph(PDFStreamEngine.java:731) > at > org.apache.pdfbox.contentstream.PDFStreamEngine.showText(PDFStreamEngine.java:690) > at > org.apache.pdfbox.rendering.PageDrawer.showText(PageDrawer.java:296) > at > org.apache.pdfbox.contentstream.PDFStreamEngine.showTextStrings(PDFStreamEngine.java:600) > at > org.apache.pdfbox.contentstream.operator.text.ShowTextAdjusted.process(ShowTextAdjusted.java:38) > at > org.apache.pdfbox.contentstream.PDFStreamEngine.processOperator(PDFStreamEngine.java:802) > at > org.apache.pdfbox.contentstream.PDFStreamEngine.processStreamOperators(PDFStreamEngine.java:464) > at > org.apache.pdfbox.contentstream.PDFStreamEngine.processStream(PDFStreamEngine.java:438) > at > org.apache.pdfbox.contentstream.PDFStreamEngine.processPage(PDFStreamEngine.java:149) > at > org.apache.pdfbox.rendering.PageDrawer.drawPage(PageDrawer.java:179) > at > org.apache.pdfbox.rendering.PDFRenderer.renderPage(PDFRenderer.java:205) > at > org.apache.pdfbox.rendering.PDFRenderer.renderImage(PDFRenderer.java:136) > at > org.apache.pdfbox.rendering.PDFRenderer.renderImageWithDPI(PDFRenderer.java:95) > at > org.ilsos.cm.export.client.rmi.workers.Pdf2SinglePageTiff.processResult(Pdf2SinglePageTiff.java:142) > at > org.ilsos.cm.export.client.rmi.ExportWorker.run(ExportWorker.java:72) > at java.lang.Thread.run(Thread.java:784) > > > > > > > > > > ************************************************ > Disclaimer - This email and any files transmitted with it are confidential > and contain privileged or copyright information. 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