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Posted to dev@pdfbox.apache.org by "Chris Naude (JIRA)" <ji...@apache.org> on 2012/06/24 00:16:42 UTC
[jira] [Commented] (PDFBOX-1347) java.lang.ClassCastException:
org.apache.pdfbox.cos.COSString cannot be cast to
org.apache.pdfbox.cos.COSDictionary
[ https://issues.apache.org/jira/browse/PDFBOX-1347?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13400068#comment-13400068 ]
Chris Naude commented on PDFBOX-1347:
-------------------------------------
As a work around I modified PDOutlineNode.java and added a try catch for the casting exception. I'm sure there is a better way to handle this,
public PDOutlineItem getFirstChild()
{
PDOutlineItem last = null;
COSDictionary lastDic;
try
{
lastDic = (COSDictionary)node.getDictionaryObject( "First" );
}
catch (ClassCastException e)
{
return last;
}
if( lastDic != null )
{
last = new PDOutlineItem( lastDic );
}
return last;
}
> java.lang.ClassCastException: org.apache.pdfbox.cos.COSString cannot be cast to org.apache.pdfbox.cos.COSDictionary
> -------------------------------------------------------------------------------------------------------------------
>
> Key: PDFBOX-1347
> URL: https://issues.apache.org/jira/browse/PDFBOX-1347
> Project: PDFBox
> Issue Type: Bug
> Affects Versions: 1.7.0, 1.8.0
> Environment: Windows 7 with Oracle JDK 1.6.0_33
> Reporter: Chris Naude
> Attachments: Image 1.png
>
>
> I'm attempting to merge two pdf's and I am getting this exception. This only occurs for specific PDF files. I am able to merge other PDF's without any issues.
> java.lang.ClassCastException: org.apache.pdfbox.cos.COSString cannot be cast to org.apache.pdfbox.cos.COSDictionary
> at org.apache.pdfbox.pdmodel.interactive.documentnavigation.outline.PDOutlineNode.getFirstChild(PDOutlineNode.java:161)
> at org.apache.pdfbox.util.PDFMergerUtility.appendDocument(PDFMergerUtility.java:339)
> at org.apache.pdfbox.util.PDFMergerUtility.mergeDocuments(PDFMergerUtility.java:188)
> at me.cnaude.pdfboxgui.MainForm$MergeThread.run(MainForm.java:355)
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