PDFBOX-5339: improve error message

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1896871 13f79535-47bb-0310-9956-ffa450edef68
famod · Jan 10, 2022 · 1d1924a · 1d1924a
1 parent de685b1
commit 1d1924a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pdfbox/src/main/java/org/apache/pdfbox/pdfparser/PDFXrefStreamParser.java b/pdfbox/src/main/java/org/apache/pdfbox/pdfparser/PDFXrefStreamParser.java
@@ -94,7 +94,7 @@ private void initParserValues(COSStream stream) throws IOException
             indexArray.add(COSInteger.ZERO);
             indexArray.add(COSInteger.get(stream.getInt(COSName.SIZE, 0)));
         }
-        if (indexArray.size() % 2 == 1)
+        if (indexArray.size() == 0 || indexArray.size() % 2 == 1)
         {
             throw new IOException(
                     "Wrong number of values for /Index array in XRef: " + Arrays.toString(w));