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Posted to dev@pdfbox.apache.org by "krishnan (Jira)" <ji...@apache.org> on 2022/01/06 11:08:00 UTC
[jira] [Created] (PDFBOX-5357) java.lang.IndexOutOfBoundsException
krishnan created PDFBOX-5357:
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Summary: java.lang.IndexOutOfBoundsException
Key: PDFBOX-5357
URL: https://issues.apache.org/jira/browse/PDFBOX-5357
Project: PDFBox
Issue Type: Bug
Components: PDModel, Utilities
Affects Versions: 2.0.22
Reporter: krishnan
Assignee: Tilman Hausherr
Fix For: 2.0.23, 3.0.0 PDFBox
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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