diff --git a/hyracks-control-cc/src/main/java/edu/uci/ics/hyracks/control/cc/ClusterControllerService.java b/hyracks-control-cc/src/main/java/edu/uci/ics/hyracks/control/cc/ClusterControllerService.java
index e8586be..212524d 100644
--- a/hyracks-control-cc/src/main/java/edu/uci/ics/hyracks/control/cc/ClusterControllerService.java
+++ b/hyracks-control-cc/src/main/java/edu/uci/ics/hyracks/control/cc/ClusterControllerService.java
@@ -23,6 +23,7 @@
 import java.io.PrintWriter;
 import java.rmi.registry.LocateRegistry;
 import java.rmi.registry.Registry;
+import java.util.ArrayList;
 import java.util.EnumSet;
 import java.util.HashMap;
 import java.util.HashSet;
@@ -356,15 +357,30 @@
     }
 
     @Override
-    public void startApplication(String appName) throws Exception {
+    public void startApplication(final String appName) throws Exception {
         ApplicationContext appCtx = applications.get(appName);
         appCtx.initialize();
-        boolean deployHar = appCtx.containsHar();
+        final boolean deployHar = appCtx.containsHar();
+        RemoteOp<Void>[] ops;
         synchronized (this) {
-            for (NodeControllerState ncs : nodeRegistry.values()) {
-                ncs.getNodeController().createApplication(appName, deployHar);
+            List<RemoteOp<Void>> opList = new ArrayList<RemoteOp<Void>>();
+            for (final String nodeId : nodeRegistry.keySet()) {
+                opList.add(new RemoteOp<Void>() {
+                    @Override
+                    public String getNodeId() {
+                        return nodeId;
+                    }
+
+                    @Override
+                    public Void execute(INodeController node) throws Exception {
+                        node.createApplication(appName, deployHar);
+                        return null;
+                    }
+                });
             }
+            ops = opList.toArray(new RemoteOp[opList.size()]);
         }
+        runRemote(ops, null);
     }
 
     @Override
diff --git a/hyracks-control-common/src/main/java/edu/uci/ics/hyracks/control/common/application/ApplicationContext.java b/hyracks-control-common/src/main/java/edu/uci/ics/hyracks/control/common/application/ApplicationContext.java
index c1b4674..c499ac9 100644
--- a/hyracks-control-common/src/main/java/edu/uci/ics/hyracks/control/common/application/ApplicationContext.java
+++ b/hyracks-control-common/src/main/java/edu/uci/ics/hyracks/control/common/application/ApplicationContext.java
@@ -26,6 +26,8 @@
 import java.net.URL;
 import java.net.URLClassLoader;
 import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
 import java.util.Enumeration;
 import java.util.List;
 import java.util.Properties;
@@ -73,6 +75,12 @@
             File expandedFolder = getExpandedFolder();
             List<URL> urls = new ArrayList<URL>();
             findJarFiles(expandedFolder, urls);
+            Collections.sort(urls, new Comparator<URL>() {
+                @Override
+                public int compare(URL o1, URL o2) {
+                    return o1.getFile().compareTo(o2.getFile());
+                }
+            });
             classLoader = new URLClassLoader(urls.toArray(new URL[urls.size()]));
             deploymentDescriptor = parseDeploymentDescriptor();
 
@@ -180,4 +188,4 @@
     public boolean containsHar() {
         return getArchiveFile().exists();
     }
-}
+}
\ No newline at end of file