Author: tilman
Date: Wed Mar 22 04:32:52 2023
New Revision: 1908624
URL: http://svn.apache.org/viewvc?rev=1908624&view=rev
Log:
PDFBOX-5577: avoid NPE
Modified:
pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/multipdf/PDFMergerUtility.java
Modified:
pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/multipdf/PDFMergerUtility.java
URL:
http://svn.apache.org/viewvc/pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/multipdf/PDFMergerUtility.java?rev=1908624&r1=1908623&r2=1908624&view=diff
==============================================================================
---
pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/multipdf/PDFMergerUtility.java
(original)
+++
pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/multipdf/PDFMergerUtility.java
Wed Mar 22 04:32:52 2023
@@ -1286,7 +1286,7 @@ public class PDFMergerUtility
for (PDField destField : destAcroForm.getFieldTree())
{
String fieldName = destField.getPartialName();
- if (fieldName.startsWith(prefix))
+ if (fieldName != null && fieldName.startsWith(prefix))
{
String suffix = fieldName.substring(prefixLength);
if (suffix.matches("\\d+"))
