Protect against getNodes being called before network is up (#264)

Signed-off-by: Chris Jackson <chris@cd-jackson.com>
openhab · Oct 3, 2018 · 8040d56 · 8040d56
1 parent 1f3a1c9
commit 8040d56
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/...ing.zigbee/src/main/java/org/openhab/binding/zigbee/handler/ZigBeeCoordinatorHandler.java b/...ing.zigbee/src/main/java/org/openhab/binding/zigbee/handler/ZigBeeCoordinatorHandler.java
@@ -707,6 +707,9 @@ public ZigBeeNode getNode(IeeeAddress nodeIeeeAddress) {
      * @return the set of {@link ZigBeeNode}s
      */
     public Set<ZigBeeNode> getNodes() {
+        if (networkManager == null) {
+            return Collections.emptySet();
+        }
         return networkManager.getNodes();
     }