Merge pull request #1830 from IABTechLab/wzh-UID2-5081-replace-print-with-logging

update main file to use logger instead of print

Author: lizk886

src/main/java/com/uid2/operator/Main.java

@@ -250,13 +250,13 @@ public static void main(String[] args) throws Exception {
 
         final String vertxConfigPath = System.getProperty(Const.Config.VERTX_CONFIG_PATH_PROP);
         if (vertxConfigPath != null) {
-            System.out.format("Running CUSTOM CONFIG mode, config: %s\n", vertxConfigPath);
+            LOGGER.info("Running CUSTOM CONFIG mode, config: {}", vertxConfigPath);
         }
         else if (!Utils.isProductionEnvironment()) {
-            System.out.format("Running LOCAL DEBUG mode, config: %s\n", Const.Config.LOCAL_CONFIG_PATH);
+            LOGGER.info("Running LOCAL DEBUG mode, config: {}", Const.Config.LOCAL_CONFIG_PATH);
             System.setProperty(Const.Config.VERTX_CONFIG_PATH_PROP, Const.Config.LOCAL_CONFIG_PATH);
         } else {
-            System.out.format("Running PRODUCTION mode, config: %s\n", Const.Config.OVERRIDE_CONFIG_PATH);
+            LOGGER.info("Running PRODUCTION mode, config: {}", Const.Config.OVERRIDE_CONFIG_PATH);
         }
 
         Vertx vertx = createVertx();
@@ -457,7 +457,7 @@ private static Vertx createVertx() {
             MBeanServer server = ManagementFactory.getPlatformMBeanServer();
             server.registerMBean(AdminApi.instance, objectName);
         } catch (InstanceAlreadyExistsException | MBeanRegistrationException | NotCompliantMBeanException | MalformedObjectNameException e) {
-            System.err.format("%s", e.getMessage());
+            LOGGER.error("mBean initialisation failed {}", e.getMessage(), e);
             System.exit(-1);
         }