[ 
https://issues.apache.org/jira/browse/PDFBOX-4204?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16479797#comment-16479797
 ] 

ASF subversion and git services commented on PDFBOX-4204:
---------------------------------------------------------

Commit 1831818 from [~tilman] in branch 'pdfbox/branches/2.0'
[ https://svn.apache.org/r1831818 ]

PDFBOX-4204: ignore all illegal OpenAction types

> Problem when merging PDF 1.4 and PDF 1.1 Documents
> --------------------------------------------------
>
>                 Key: PDFBOX-4204
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-4204
>             Project: PDFBox
>          Issue Type: Bug
>          Components: Parsing
>    Affects Versions: 2.0.9
>            Reporter: Christian Lauer
>            Priority: Major
>
> Merging PDF 1.1 document with other Version (i.e. PDF 1.4) ends up with 
> following exception: java.io.IOException: Unknown OpenAction COSInt\{26}.
> Here's the referring stack trace
> {code:java}
> Alias: PBOX000029: Enter the username:  [guest] java.io.IOException: Unknown 
> OpenAction COSInt{26}
>     at 
> org.apache.pdfbox.pdmodel.PDDocumentCatalog.getOpenAction(PDDocumentCatalog.java:279)
>     at 
> org.apache.pdfbox.multipdf.PDFMergerUtility.appendDocument(PDFMergerUtility.java:348)
>     at 
> org.apache.pdfbox.multipdf.PDFMergerUtility.mergeDocuments(PDFMergerUtility.java:263)
> {code}
>  
> To fix this issue COSInteger should be handled in PDDocumentCatalog's 
> getOpenAction method. Our tests showed that returning “null” results in 
> correctly merged document.
> Here is our suggestion for the fixed method:
> {code:java}
> public PDDestinationOrAction getOpenAction() throws IOException {
>    COSBase openAction = this.root.getDictionaryObject(COSName.OPEN_ACTION);
>    if (openAction == null) {
>      return null;
>    } else if (openAction instanceof COSBoolean) {
>      if (!((COSBoolean) openAction).getValue()) {
>        return null;
>      } else {
>        throw new IOException("Can't create OpenAction from COSBoolean");
>      }
>   } else if (openAction instanceof COSInteger) {
>      return null;      
>    } else if (openAction instanceof COSDictionary) {
>      return PDActionFactory.createAction((COSDictionary)openAction);
>    } else if (openAction instanceof COSArray) {
>      return PDDestination.create(openAction);
>    } else {
>      throw new IOException("Unknown OpenAction " + openAction);
>    }
> }
> {code}



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