From 0ef26d1ab06c3068e94219424dfd0926209c3260 Mon Sep 17 00:00:00 2001
From: Alasdair Nottingham <not@apache.org>
Date: Tue, 21 Dec 2010 09:41:41 +0000
Subject: [PATCH] ARIES-519 Stop calling update when we are not tracking a
 service, and don't have a replacement either.

git-svn-id: https://svn.apache.org/repos/asf/incubator/aries/trunk/util@1051431 13f79535-47bb-0310-9956-ffa450edef68
---
 src/main/java/org/apache/aries/util/SingleServiceTracker.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/org/apache/aries/util/SingleServiceTracker.java b/src/main/java/org/apache/aries/util/SingleServiceTracker.java
index 4216a02acc..1a5dac151c 100644
--- a/src/main/java/org/apache/aries/util/SingleServiceTracker.java
+++ b/src/main/java/org/apache/aries/util/SingleServiceTracker.java
@@ -104,7 +104,9 @@ private void findMatchingReference(ServiceReference original) {
           ctx.ungetService(ref);
         }
       }
-    } 
+    } else if (original == null){
+      clear = false;
+    }
     
     if (clear) {
       update(original, null, null);