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https://issues.apache.org/jira/browse/PDFBOX-232?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Adam Nichols closed PDFBOX-232.
-------------------------------
Assignee: Adam Nichols
Resolution: Fixed
This was already added at some point (it's currently on line 253 of
PDFMergerUtility.java), just cleaning up JIRA.
> NPE in PDFMergerUtility
> -----------------------
>
> Key: PDFBOX-232
> URL: https://issues.apache.org/jira/browse/PDFBOX-232
> Project: PDFBox
> Issue Type: Bug
> Assignee: Adam Nichols
> Priority: Minor
>
> [imported from SourceForge]
> http://sourceforge.net/tracker/index.php?group_id=78314&atid=552832&aid=1632884
> Originally submitted by jmawebb on 2007-01-10 19:37.
> I'm seeing exceptions like this when merging certain documents:
> java.lang.NullPointerException
> at
> org.pdfbox.util.PDFMergerUtility.mergeAcroForm(PDFMergerUtility.java:412)
> at
> org.pdfbox.util.PDFMergerUtility.appendDocument(PDFMergerUtility.java:210)
> at
> org.pdfbox.util.PDFMergerUtility.mergeDocuments(PDFMergerUtility.java:148)
> It looks like it's fine just to add this check on line 208 of
> PDFMergerUtility.java, unless there's a deeper cause:
> - else
> + else if( srcAcroForm != null )
> [comment on SourceForge]
> Originally sent by bwingenroth.
> Logged In: YES
> user_id=843437
> Originator: NO
> I had this same problem and found the same result. There are certain PDFs
> which, for reasons unknown to me, cause this NullPointerException and don't
> get appended to the resulting PDF file. I downloaded and modified the
> PDFMergerUtility.java file in PDFBox-0.7.4-dev-20070525 and now I get the
> expected behavior: no NPE and the PDF gets appended to the resulting PDF.
> I don't have any insight regarding any deeper causes for the NPE, but I can
> confirm that this suggested patch worked for me.
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