Check null to avoid NPE

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@799473 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 8 insertions, 4 deletions

diff --git a/java/sca/modules/endpoint/src/main/java/org/apache/tuscany/sca/endpoint/impl/EndpointRegistryImpl.java b/java/sca/modules/endpoint/src/main/java/org/apache/tuscany/sca/endpoint/impl/EndpointRegistryImpl.java
index fbd8aea438..8e51068793 100644
--- a/java/sca/modules/endpoint/src/main/java/org/apache/tuscany/sca/endpoint/impl/EndpointRegistryImpl.java
+++ b/java/sca/modules/endpoint/src/main/java/org/apache/tuscany/sca/endpoint/impl/EndpointRegistryImpl.java
@@ -200,12 +200,16 @@ public class EndpointRegistryImpl implements EndpointRegistry, LifeCycleListener
 
     public void stop() {
         List<Endpoint> localEndpoints = endpoints.remove(this);
-        for (Endpoint endpoint : localEndpoints) {
-            removeEndpoint(endpoint);
+        if (localEndpoints != null) {
+            for (Endpoint endpoint : localEndpoints) {
+                removeEndpoint(endpoint);
+            }
         }
         List<EndpointReference> localEndpointReferences = endpointreferences.remove(this);
-        for (EndpointReference endpointReference : localEndpointReferences) {
-            removeEndpointReference(endpointReference);
+        if (localEndpointReferences != null) {
+            for (EndpointReference endpointReference : localEndpointReferences) {
+                removeEndpointReference(endpointReference);
+            }
         }
         listeners.clear();
     }