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https://issues.apache.org/jira/browse/PDFBOX-5072?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Tilman Hausherr resolved PDFBOX-5072.
-------------------------------------
Assignee: Tilman Hausherr
Resolution: Fixed
> java.lang.IndexOutOfBoundsException
> -----------------------------------
>
> Key: PDFBOX-5072
> URL: https://issues.apache.org/jira/browse/PDFBOX-5072
> Project: PDFBox
> Issue Type: Bug
> Components: PDModel, Utilities
> Affects Versions: 2.0.22
> Reporter: Thomas B.
> Assignee: Tilman Hausherr
> Priority: Critical
> Fix For: 2.0.23, 3.0.0 PDFBox
>
> Attachments: image-2021-01-06-14-56-41-433.png
>
>
> I'm having a similar issue that have been fixed in PDFBOX-4969.
> In my case, the IndexOutOfBoundsException occurs inside PDNameTreeNode, and
> not inside PDNumberTreeNode.
> {code:java}
> java.lang.IndexOutOfBoundsException: Index: 81, Size: 81 at
> java.util.ArrayList.rangeCheck(ArrayList.java:653) at
> java.util.ArrayList.get(ArrayList.java:429) at
> org.apache.pdfbox.cos.COSArray.getObject(COSArray.java:188) at
> org.apache.pdfbox.pdmodel.common.PDNameTreeNode.getNames(PDNameTreeNode.java:272)
> at
> org.apache.pdfbox.multipdf.PDFMergerUtility.getIDTreeAsMap(PDFMergerUtility.java:1036)
> at
> org.apache.pdfbox.multipdf.PDFMergerUtility.getIDTreeAsMap(PDFMergerUtility.java:1051)
> at
> org.apache.pdfbox.multipdf.PDFMergerUtility.mergeIDTree(PDFMergerUtility.java:1008)
> at
> org.apache.pdfbox.multipdf.PDFMergerUtility.appendDocument(PDFMergerUtility.java:877)
> at
> org.apache.pdfbox.multipdf.PDFMergerUtility.legacyMergeDocuments(PDFMergerUtility.java:459)
> at
> org.apache.pdfbox.multipdf.PDFMergerUtility.mergeDocuments(PDFMergerUtility.java:346)
> {code}
> Unfortunately, I can't share the document that reproduce the issue.
> I tried the same approach to fix it :
> {code:java}
> public Map<String, T> getNames() throws IOException
> {
> COSArray namesArray = node.getCOSArray(COSName.NAMES);
> if( namesArray != null )
> {
> Map<String, T> names = new LinkedHashMap<String, T>();
> if (namesArray.size() % 2 != 0)
> {
> LOG.warn("Numbers array has odd size: " + namesArray.size());
> }
> for (int i = 0; i + 1 < namesArray.size(); i += 2)
> {
> COSBase base = namesArray.getObject(i);
> if (!(base instanceof COSString))
> {
> throw new IOException("Expected string, found " + base + " in name
> tree at index " + i);
> ....{code}
> But I'm getting the IOException :
> {code:java}
> Caused by: java.io.IOException: Expected string, found COSDictionary{[...] in
> name tree at index 0
> {code}
> And indeed, _namesArray_ contains a COSObject at first index :
> !image-2021-01-06-14-56-41-433.png!
>
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