From d2405f4003191f71936d22f956496e8f28035cfa Mon Sep 17 00:00:00 2001
From: Stefan Bodewig <bodewig@apache.org>
Date: Fri, 14 Dec 2001 11:49:15 +0000
Subject: [PATCH] fix NPE.

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@270142 13f79535-47bb-0310-9956-ffa450edef68
---
 src/main/org/apache/tools/ant/taskdefs/Manifest.java | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/main/org/apache/tools/ant/taskdefs/Manifest.java b/src/main/org/apache/tools/ant/taskdefs/Manifest.java
index 4ff51bb01..eea296674 100644
--- a/src/main/org/apache/tools/ant/taskdefs/Manifest.java
+++ b/src/main/org/apache/tools/ant/taskdefs/Manifest.java
@@ -707,7 +707,11 @@ public class Manifest extends Task {
         }
 
         Manifest rhsManifest = (Manifest)rhs;
-        if (!manifestVersion.equals(rhsManifest.manifestVersion)) {
+        if (manifestVersion == null) {
+            if (rhsManifest.manifestVersion != null) {
+                return false;
+            }
+        } else if (!manifestVersion.equals(rhsManifest.manifestVersion)) {
             return false;
         }
         if (sections.size() != rhsManifest.sections.size()) {