Tomas Bene created PDFBOX-4807:
----------------------------------

             Summary: COSString cannot be cast to COSDictionary
                 Key: PDFBOX-4807
                 URL: https://issues.apache.org/jira/browse/PDFBOX-4807
             Project: PDFBox
          Issue Type: Bug
    Affects Versions: 2.0.19
            Reporter: Tomas Bene
         Attachments: 1904.12320.pdf

We are using the latest version of PDFBox library 2.0.19. During the conversion 
of test file 1904.12320.pdf (which is a valid pdf file according to 
[https://www.pdf-online.com/osa/validate.aspx]) we get an error 
{code:java}
java.lang.ClassCastException: org.apache.pdfbox.cos.COSString cannot be cast to 
org.apache.pdfbox.cos.COSDictionary{code}
 

I am attaching also the stack trace:

 
{code:java}
java.lang.ClassCastException: org.apache.pdfbox.cos.COSString cannot be cast to 
org.apache.pdfbox.cos.COSDictionary
 at org.apache.pdfbox.pdmodel.PDResources.getProperties(PDResources.java:353) 
~[pdfbox-2.0.19.jar:2.0.19]
 at 
org.apache.pdfbox.rendering.PageDrawer.beginMarkedContentSequence(PageDrawer.java:1824)
 ~[pdfbox-2.0.19.jar:2.0.19]
 at 
org.apache.pdfbox.contentstream.operator.markedcontent.BeginMarkedContentSequenceWithProperties.process(BeginMarkedContentSequenceWithProperties.java:52)
 ~[pdfbox-2.0.19.jar:2.0.19]
 at 
org.apache.pdfbox.contentstream.PDFStreamEngine.processOperator(PDFStreamEngine.java:875)
 ~[pdfbox-2.0.19.jar:2.0.19]
 at 
org.apache.pdfbox.contentstream.PDFStreamEngine.processStreamOperators(PDFStreamEngine.java:509)
 ~[pdfbox-2.0.19.jar:2.0.19]
 at 
org.apache.pdfbox.contentstream.PDFStreamEngine.processStream(PDFStreamEngine.java:483)
 ~[pdfbox-2.0.19.jar:2.0.19]
 at 
org.apache.pdfbox.contentstream.PDFStreamEngine.processPage(PDFStreamEngine.java:156)
 ~[pdfbox-2.0.19.jar:2.0.19]
 at org.apache.pdfbox.rendering.PageDrawer.drawPage(PageDrawer.java:270) 
~[pdfbox-2.0.19.jar:2.0.19]
 at org.apache.pdfbox.rendering.PDFRenderer.renderImage(PDFRenderer.java:321) 
~[pdfbox-2.0.19.jar:2.0.19]
 at org.apache.pdfbox.rendering.PDFRenderer.renderImage(PDFRenderer.java:243) 
~[pdfbox-2.0.19.jar:2.0.19]
 at 
org.apache.pdfbox.rendering.PDFRenderer.renderImageWithDPI(PDFRenderer.java:229)
 ~[pdfbox-2.0.19.jar:2.0.19]
{code}
 

 



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