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https://issues.apache.org/jira/browse/PDFBOX-2214?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14074953#comment-14074953
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John Hewson commented on PDFBOX-2214:
-------------------------------------

That makes sense: 1.8 stores the current graphics state in its own object and 
the rest of the stacked graphics state in the stack. 2.0 removed the redundancy 
by just storing everything in the stack.

> EmptyStackException from PDFBOX-161
> -----------------------------------
>
>                 Key: PDFBOX-2214
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-2214
>             Project: PDFBox
>          Issue Type: Bug
>          Components: Rendering
>    Affects Versions: 2.0.0
>            Reporter: simon steiner
>            Assignee: Tilman Hausherr
>             Fix For: 2.0.0
>
>         Attachments: PDFBOX-161.pdf
>
>
> java -jar ~/pdf-box-svn/app/target/pdfbox-app-2.0.0-SNAPSHOT.jar PDFToImage 
> PDFBOX161-E12860v10P096469EAs.pdf 
> Jul 17, 2014 4:47:09 PM org.apache.pdfbox.util.PDFStreamEngine processOperator
> INFO: unsupported/disabled operation: i
> Exception in thread "main" java.util.EmptyStackException
>       at java.util.Stack.peek(Stack.java:102)
>       at 
> org.apache.pdfbox.util.PDFStreamEngine.saveGraphicsState(PDFStreamEngine.java:604)



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