[jira] [Created] (PDFBOX-2726) org.apache.pdfbox.cos.COSArray cannot be cast to org.apache.pdfbox.cos.COSDictionary

["Dmitry Andreev (JIRA)" <ji...@apache.org>]

Dmitry Andreev created PDFBOX-2726:
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             Summary: org.apache.pdfbox.cos.COSArray cannot be cast to org.apache.pdfbox.cos.COSDictionary
                 Key: PDFBOX-2726
                 URL: https://issues.apache.org/jira/browse/PDFBOX-2726
             Project: PDFBox
          Issue Type: Bug
    Affects Versions: 1.8.8
         Environment: levigo-jbig2-imageio-1.6.1.jar, jai_codec.jar, jai_imageio.jar
            Reporter: Dmitry Andreev


When I start .convertToImage() this error is occur:

org.apache.pdfbox.pdmodel.graphics.xobject.PDPixelMap getRGBImage
SEVERE: java.lang.ClassCastException: org.apache.pdfbox.cos.COSArray cannot be cast to org.apache.pdfbox.cos.COSDictionary
java.lang.ClassCastException: org.apache.pdfbox.cos.COSArray cannot be cast to org.apache.pdfbox.cos.COSDictionary
	at org.apache.pdfbox.filter.JBIG2Filter.decode(JBIG2Filter.java:73)
	at org.apache.pdfbox.cos.COSStream.doDecode(COSStream.java:351)
	at org.apache.pdfbox.cos.COSStream.doDecode(COSStream.java:299)
	at org.apache.pdfbox.cos.COSStream.getUnfilteredStream(COSStream.java:225)
	at org.apache.pdfbox.pdmodel.common.PDStream.createInputStream(PDStream.java:232)
	at org.apache.pdfbox.pdmodel.common.PDStream.getByteArray(PDStream.java:510)
	at org.apache.pdfbox.pdmodel.graphics.xobject.PDPixelMap.getRGBImage(PDPixelMap.java:254)
	at org.apache.pdfbox.pdmodel.graphics.xobject.PDXObjectImage.mask(PDXObjectImage.java:221)
	at org.apache.pdfbox.pdmodel.graphics.xobject.PDXObjectImage.applyMasks(PDXObjectImage.java:154)
	at org.apache.pdfbox.pdmodel.graphics.xobject.PDPixelMap.getRGBImage(PDPixelMap.java:365)
	at org.apache.pdfbox.util.operator.pagedrawer.Invoke.process(Invoke.java:87)
	at org.apache.pdfbox.util.PDFStreamEngine.processOperator(PDFStreamEngine.java:557)
	at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:268)
	at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:235)
	at org.apache.pdfbox.util.PDFStreamEngine.processStream(PDFStreamEngine.java:215)
	at org.apache.pdfbox.pdfviewer.PageDrawer.drawPage(PageDrawer.java:139)
	at org.apache.pdfbox.pdmodel.PDPage.convertToImage(PDPage.java:801)
	at org.apache.pdfbox.pdmodel.PDPage.convertToImage(PDPage.java:732)
	at com.sign.PDFCutter.PDFCut(PDFCutter.java:75)
	at com.sign.CopyFileTree.visitFile(CopyFileTree.java:103)
	at com.sign.CopyFileTree.visitFile(CopyFileTree.java:21)
	at java.nio.file.Files.walkFileTree(Files.java:2667)
	at java.nio.file.Files.walkFileTree(Files.java:2739)
	at com.sign.Copy.main(Copy.java:158)

and some resulting images are blank, some images in grey shades with fading text



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