never return null

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc6.0.x/trunk@522651 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/java/org/apache/catalina/tribes/membership/McastService.java b/java/org/apache/catalina/tribes/membership/McastService.java
index da85409..28bb338 100644 (file)
--- a/java/org/apache/catalina/tribes/membership/McastService.java
+++ b/java/org/apache/catalina/tribes/membership/McastService.java
@@ -411,8 +411,9 @@ public class McastService implements MembershipService,MembershipListener {
     /**
      * Return all the members
      */
+    protected static final Member[]EMPTY_MEMBERS = new Member[0];
     public Member[] getMembers() {
-        if ( impl == null || impl.membership == null ) return null;
+        if ( impl == null || impl.membership == null ) return EMPTY_MEMBERS;
         return impl.membership.getMembers();
     }
     /**