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)
