[jira] [Created] (PDFBOX-2538) avoid "-1 : Unknown error"

[Ralf Hauser (JIRA)]

Ralf Hauser created PDFBOX-2538:
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             Summary: avoid "-1 : Unknown error"
                 Key: PDFBOX-2538
                 URL: https://issues.apache.org/jira/browse/PDFBOX-2538
             Project: PDFBox
          Issue Type: Sub-task
            Reporter: Ralf Hauser


e.g. error 4 in PDFBOX-2513

after all, we know what the reason is.

Ideas:
1) create COSStreamException extends IOException in COSStream.java
2) in SinglePageValidationProcess.validateContent() examine the root cause 
exception type to classify smarter than just ERROR_UNKOWN_ERROR

any other thoughts?



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