This is a known JDK bug in the ICC colour space static initializer. Try doing something minimal with PDFBox on the main thread so that the PDICCBased static initializer runs there. After that's happened hopefully your thread pool code will work.
-- John > On 23 May 2016, at 01:08, 风云天空 <[email protected]> wrote: > > in my project using spring,we use pdf-box with one PDDocument and one > PDFRenderer for one pdf document,then I encounter problem with call > renderImageWithDPI: > > > java.lang.NullPointerException > at > sun.java2d.cmm.ProfileDeferralMgr.activateProfiles(ProfileDeferralMgr.java:93) > at java.awt.color.ICC_Profile.getInstance(ICC_Profile.java:775) > at java.awt.color.ICC_Profile.getInstance(ICC_Profile.java:1013) > at > org.apache.pdfbox.pdmodel.graphics.color.PDICCBased.loadICCProfile(PDICCBased.java:119) > at > org.apache.pdfbox.pdmodel.graphics.color.PDICCBased.<init>(PDICCBased.java:89) > at > org.apache.pdfbox.pdmodel.graphics.color.PDColorSpace.create(PDColorSpace.java:182) > at > org.apache.pdfbox.pdmodel.PDResources.getColorSpace(PDResources.java:172) > at > org.apache.pdfbox.pdmodel.PDResources.getColorSpace(PDResources.java:142) > at > org.apache.pdfbox.contentstream.operator.color.SetNonStrokingColorSpace.process(SetNonStrokingColorSpace.java:41) > at > org.apache.pdfbox.contentstream.PDFStreamEngine.processOperator(PDFStreamEngine.java:815) > at > org.apache.pdfbox.contentstream.PDFStreamEngine.processStreamOperators(PDFStreamEngine.java:472) > at > org.apache.pdfbox.contentstream.PDFStreamEngine.processStream(PDFStreamEngine.java:446) > at > org.apache.pdfbox.contentstream.PDFStreamEngine.processPage(PDFStreamEngine.java:149) > at org.apache.pdfbox.rendering.PageDrawer.drawPage(PageDrawer.java:189) > at org.apache.pdfbox.rendering.PDFRenderer.renderPage(PDFRenderer.java:208) > at > org.apache.pdfbox.rendering.PDFRenderer.renderImage(PDFRenderer.java:139) > at > org.apache.pdfbox.rendering.PDFRenderer.renderImageWithDPI(PDFRenderer.java:80) > at > com.xiaojukeji.training.admin.docparser.PdfExtractor.getFirstImage(PdfExtractor.java:128) > at > com.xiaojukeji.training.admin.docparser.PdfExtractor$Job.run(PdfExtractor.java:187) > at > com.xiaojukeji.training.admin.docparser.BlockThreadPool$Worker.run(BlockThreadPool.java:53) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at java.lang.Thread.run(Thread.java:745) --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
