[PDFBOX-4535] java.lang.ClassCastException in PDImageXObject.getMask()

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.15
• Fix Version/s: 2.0.16, 3.0.0 PDFBox
• Component/s: Rendering
• Environment: Oracle Java 8 update125 on both Mac OS X and centos
• Assignee: Tilman Hausherr
• Reporter: Jack
• Created: 06/May/19 15:27
• Updated: 28/Jun/19 04:39
• Resolved: 06/May/19 17:34

Description

I found several unexpected exceptions while running pdfbox, could anyone please help take a look? 

stacktraces: 

java.lang.ClassCastException
 
org.apache.pdfbox.cos.COSString cannot be cast to org.apache.pdfbox.cos.COSStream 

org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject.getMask - Line 626 (PDImageXObject.java) 
org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject.getImage - Line 456 (PDImageXObject.java) 
org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject.getImage - Line 425 (PDImageXObject.java)