Merge pull request #189 from project-sunbird/profileVisibility

Issues #SB-0000 fix: Unable to communicate to actor issue

Author: manzarul

actor-util/src/main/java/org/sunbird/actorutil/systemsettings/impl/SystemSettingClientImpl.java

@@ -3,6 +3,7 @@
 import akka.actor.ActorRef;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
 import org.sunbird.actorutil.InterServiceCommunication;
 import org.sunbird.actorutil.InterServiceCommunicationFactory;
 import org.sunbird.actorutil.systemsettings.SystemSettingClient;
@@ -22,7 +23,7 @@ public class SystemSettingClientImpl implements SystemSettingClient {
       InterServiceCommunicationFactory.getInstance();
   private static SystemSettingClientImpl systemSettingClient = null;
   private static Map<String, SystemSetting> systemSettingsMap =
-      new HashMap<String, SystemSetting>();
+      new ConcurrentHashMap<String, SystemSetting>();
 
   public static SystemSettingClientImpl getInstance() {
     if (null == systemSettingClient) {