allow null logger

src/main/java/microservice/services/IRestServiceHttpImpl.java

@@ -145,9 +145,12 @@ public class IRestServiceHttpImpl extends CommonServices.IRestService implements
     @Override
     public boolean init() {
         boolean stat = true;
+        if (MicroserviceApp.getsInstance() != null) {
             msAppInstance = MicroserviceApp.getsInstance();
             logger = msAppInstance.getLogger();
             this.appName = msAppInstance.getAppName();
+        }
+
         switch (getServiceMode()){
             case E_CLIENT:
                 break;

src/main/java/microservice/services/IRestServiceZmqImpl.java

@@ -826,8 +826,10 @@ public class IRestServiceZmqImpl extends CommonServices.IRestService implements
     @Override
     public boolean init() {
         boolean retstat = true;
+        if (MicroserviceApp.getsInstance() != null) {
             this.appName = MicroserviceApp.getsInstance().getAppName();
             this.logger = MicroserviceApp.getsInstance().getLogger();
+        }
 
         switch (getServiceMode()){
             case E_CLIENT:

src/main/java/microservice/services/protocol/zmq/IMsgQServiceZmqImpl.java

@@ -97,13 +97,13 @@ public class IMsgQServiceZmqImpl extends CommonServices.IMsgQService {
                     retstat = allocateClient();
                     break;
                 case E_SERVER:
-                    retstat = allocateServer();
+                    retstat = (allocateServer() &&
+                            !allWorkersList.isEmpty() &&
+                            allWorkersList.stream().allMatch(CommonServices.IWorker::init));
                     break;
             }
 
-            return (retstat &&
-                    !allWorkersList.isEmpty() &&
-                    allWorkersList.stream().allMatch(CommonServices.IWorker::init));
+            return retstat;
         } else {
             System.err.println(getClass().getName() + " >> unknown service mode");
             retstat = false;