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Posted to dev@pdfbox.apache.org by "John Hewson (JIRA)" <ji...@apache.org> on 2015/06/05 22:07:00 UTC
[jira] [Updated] (PDFBOX-2824) ArrayIndexOutOfBoundsException in
GlyfSimpleDescript.readFlags() when multithreading
[ https://issues.apache.org/jira/browse/PDFBOX-2824?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
John Hewson updated PDFBOX-2824:
--------------------------------
Priority: Critical (was: Major)
> ArrayIndexOutOfBoundsException in GlyfSimpleDescript.readFlags() when multithreading
> ------------------------------------------------------------------------------------
>
> Key: PDFBOX-2824
> URL: https://issues.apache.org/jira/browse/PDFBOX-2824
> Project: PDFBox
> Issue Type: Bug
> Components: FontBox
> Affects Versions: 2.0.0
> Reporter: Tilman Hausherr
> Priority: Critical
>
> From Kenneth K. in the mailing list:
> 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.
> {code}
> 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);
> ...
> }
> {code}
> {code}
> 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)
> {code}
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