Merge pull request Azure#44 from Azure/sdk_1015

[Automatic PR] SDK changes from pull request Azure#1015
jianghaolu · Aug 23, 2016 · 6b54fd6 · 6b54fd6
2 parents 7c46138 + 44a1519
commit 6b54fd6
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/azure-client-runtime/src/main/java/com/microsoft/azure/TaskGroupBase.java b/azure-client-runtime/src/main/java/com/microsoft/azure/TaskGroupBase.java
@@ -165,8 +165,10 @@ public boolean isCancelled() {
          *
          * @param call the call
          */
-        private void addCall(ServiceCall<?> call) {
-            this.serviceCalls.add(call);
+        private void addCall(ServiceCall call) {
+            if (call != null) {
+                this.serviceCalls.add(call);
+            }
         }
     }
 }