Added missing @JsonIgnore annotations.
diff --git a/src/main/java/net/onrc/onos/ofcontroller/util/FlowEntryActions.java b/src/main/java/net/onrc/onos/ofcontroller/util/FlowEntryActions.java
index 53aab66..7d9688b 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/util/FlowEntryActions.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/util/FlowEntryActions.java
@@ -2,6 +2,7 @@
 
 import java.util.ArrayList;
 
+import org.codehaus.jackson.annotate.JsonIgnore;
 import org.codehaus.jackson.annotate.JsonProperty;
 
 /**
@@ -79,6 +80,7 @@
      *
      * @return true if the set of actions is empty, otherwise false.
      */
+    @JsonIgnore
     public Boolean isEmpty() {
 	return actions.isEmpty();
     }