Just so you know, flush() or close() are both no-ops on a ByteArrayOutputStream, so there’s no need to call them. That’s not the cause of your problem, but it seemed worth mentioning.
— John > On 25 Jun 2015, at 09:56, Pierre Dubillot <[email protected]> wrote: > > I'm having an issue while trying to create an image output : > > java.io.IOException: RandomAccessBuffer already closed >> at >> org.apache.pdfbox.io.RandomAccessBuffer.checkClosed(RandomAccessBuffer.java:433) >> at >> org.apache.pdfbox.io.RandomAccessBuffer.length(RandomAccessBuffer.java:292) >> at org.apache.pdfbox.cos.COSStream.copyBuffer(COSStream.java:361) >> at org.apache.pdfbox.cos.COSStream.doDecode(COSStream.java:334) >> at >> org.apache.pdfbox.cos.COSStream.checkUnfilteredBuffer(COSStream.java:265) >> at org.apache.pdfbox.cos.COSStream.getUnfilteredStream(COSStream.java:214) >> at >> org.apache.pdfbox.pdmodel.common.PDStream.createInputStream(PDStream.java:232) >> at >> org.apache.pdfbox.pdmodel.graphics.color.PDICCBased.loadICCProfile(PDICCBased.java:115) >> at >> org.apache.pdfbox.pdmodel.graphics.color.PDICCBased.<init>(PDICCBased.java:89) >> at >> org.apache.pdfbox.pdmodel.graphics.color.PDColorSpace.create(PDColorSpace.java:160) >> at >> org.apache.pdfbox.pdmodel.PDResources.getColorSpace(PDResources.java:111) >> at >> org.apache.pdfbox.contentstream.operator.color.SetNonStrokingColorSpace.process(SetNonStrokingColorSpace.java:41) >> at >> org.apache.pdfbox.contentstream.PDFStreamEngine.processOperator(PDFStreamEngine.java:795) >> at >> org.apache.pdfbox.contentstream.PDFStreamEngine.processStreamOperators(PDFStreamEngine.java:462) >> 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:180) >> 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:81) >> at metier.parseur.ParserPDF.pdfImgsToXml(ParserPDF.java:62) >> at metier.parseur.ParserPDF.preLoad(ParserPDF.java:45) >> at metier.MetierLoader.getPage(MetierLoader.java:34) >> at action.ActionLoader.chargerPage(ActionLoader.java:15) >> at action.ActionSora.doPost(ActionSora.java:35) >> > > With the following code : > > private static String pdfImgsToXml() throws IOException { >> >> int pageNumber = 1; >> >> String imgs = "<imgs>\n"; >> >> PDFRenderer renderer = new PDFRenderer(pdf); >> >> int numPages = pdf.getNumberOfPages(); >> >> for (int i = 0; i < numPages; i++) { >> >> imgs = imgs + "<img" + pageNumber + ">"; >> >> try { >> >> BufferedImage image = renderer.renderImageWithDPI(i, 200); >> >> ByteArrayOutputStream baos = new ByteArrayOutputStream(); >> >> ImageIO.write( image, "jpg", baos ); >> >> baos.flush(); >> >> byte[] imageInByte = baos.toByteArray(); >> >> baos.close(); >> >> String imgString = Base64.encode(imageInByte); >> >> imgs = imgs + imgString + "</img" + pageNumber + ">\n"; >> >> } catch (Exception e) { >> >> // TODO Auto-generated catch block >> >> e.printStackTrace(); >> >> } >> >> pageNumber++; >> >> } >> >> return imgs + "</imgs>"; >> >> } >> >> > My app is running on a Java EE Server, trying to write rendered images to > byte array to put them in XML. > But first I need to render them, and that's not working. > > Thanks, > Pierre
