I am stuck on this exception from JPXFilter.encode() from some documents that I 
am trying to merge:

    Caught java.lang.UnsupportedOperationException: JPX encoding not implemented
    java.lang.UnsupportedOperationException: JPX encoding not implemented
    at org.apache.pdfbox.filter.JPXFilter.encode(JPXFilter.java:131)
    at org.apache.pdfbox.filter.Filter.encode(Filter.java:74)
    at org.apache.pdfbox.cos.COSOutputStream.close(COSOutputStream.java:89)
    at java.io.FilterOutputStream.close(Unknown Source)
    at org.apache.pdfbox.cos.COSStream$1.close(COSStream.java:215)
    at 
org.apache.pdfbox.multipdf.PDFCloneUtility.cloneForNewDocument(PDFCloneUtility.java:118)
    at 
org.apache.pdfbox.multipdf.PDFCloneUtility.cloneForNewDocument(PDFCloneUtility.java:98)
    at 
org.apache.pdfbox.multipdf.PDFCloneUtility.cloneForNewDocument(PDFCloneUtility.java:133)
    at 
org.apache.pdfbox.multipdf.PDFCloneUtility.cloneForNewDocument(PDFCloneUtility.java:133)
    at 
org.apache.pdfbox.multipdf.PDFCloneUtility.cloneForNewDocument(PDFCloneUtility.java:133)
    at 
org.apache.pdfbox.multipdf.PDFMergerUtility.appendDocument(PDFMergerUtility.java:477)

I would not mind if I could simply skip the image.  I am unable to figure out 
how to complete the merge when this exception occurs.  Is there some way to do 
that? 

>From the same batch of PDFs I also sometimes get 
WARN  org.apache.pdfbox.filter.DCTFilter - DCTFilter#encode is not implemented 
yet, skipping this stream.

Would it be better if the JPXFilter just wrote a message like the DCTFilter 
does rather than throwing an Exception?



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