cluster.rb in aerospike-2.0.0

- old
+ new

@@ -210,11 +210,11 @@
 
     private
 
     def launch_tend_thread
       @tend_thread = Thread.new do
-        abort_on_exception = false
+        Thread.current.abort_on_exception = false
         while true
           begin
             tend
             sleep(@tend_interval / 1000.0)
           rescue => e
@@ -323,12 +323,12 @@
 
     end
 
     def update_cluster_features
       # Cluster supports features that are supported by all nodes
-      @features.update do |cluster_features|
-        node_featues = self.nodes.map(&:features)
-        cluster_features.replace(node_featues.reduce(&:intersection))
+      @features.update do
+        node_features = self.nodes.map(&:features)
+        node_features.reduce(&:intersection) || Set.new
       end
     end
 
     def notify_cluster_config_changed
       listeners = @cluster_config_change_listeners.get