Merge pull request #891 from openpreserve/samalloing-patch-3

making the parsing of broken PDFs more robust
openpreserve · Mar 4, 2024 · 75bc971 · 75bc971
2 parents 58f3565 + 05f7c0f
commit 75bc971
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/jhove-modules/pdf-hul/src/main/java/edu/harvard/hul/ois/jhove/module/PdfModule.java b/jhove-modules/pdf-hul/src/main/java/edu/harvard/hul/ois/jhove/module/PdfModule.java
@@ -1531,7 +1531,10 @@ protected boolean readXRefTables(RepInfo info) throws IOException {
 						// (Most likely we've hit the keyword "trailer".
 						break;
 					}
-					_objCount = ((Numeric) _parser.getNext()).getIntegerValue();
+					token = _parser.getNext();
+					if (token instanceof Numeric) {
+						_objCount = ((Numeric) token).getIntegerValue();
+					}
 					if (_xref == null) {
 						_xref = new long[_objCount];
 					}