From 842d4fd92bb1d39a691464669e9d505e09787923 Mon Sep 17 00:00:00 2001
From: hns <hannesw@gmail.com>
Date: Tue, 26 Jan 2010 15:49:41 +0000
Subject: [PATCH] Avoid NullPointerException in getLastSubnodeChange().
 Preliminary fix for bug 697 <http://dev.helma.org/bugs/show_bug.cgi?id=697>

---
 src/helma/objectmodel/db/SubnodeList.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/helma/objectmodel/db/SubnodeList.java b/src/helma/objectmodel/db/SubnodeList.java
index 803e5569..4cd90a9a 100644
--- a/src/helma/objectmodel/db/SubnodeList.java
+++ b/src/helma/objectmodel/db/SubnodeList.java
@@ -164,7 +164,7 @@ public class SubnodeList implements Serializable {
         // include dbmap.getLastTypeChange to also reload if the type mapping has changed.
         long checkSum = lastSubnodeChange + node.dbmap.getLastTypeChange();
         Relation rel = getSubnodeRelation();
-        return rel.aggressiveCaching ?
+        return rel == null || rel.aggressiveCaching ?
                 checkSum : checkSum + rel.otherType.getLastDataChange();
     }