[ISSUE #512]Bugfix for option -p can not print config items when using admin tool (#514)

common/src/main/java/org/apache/rocketmq/common/constant/LoggerName.java

@@ -19,6 +19,7 @@ package org.apache.rocketmq.common.constant;
 public class LoggerName {
     public static final String FILTERSRV_LOGGER_NAME = "RocketmqFiltersrv";
     public static final String NAMESRV_LOGGER_NAME = "RocketmqNamesrv";
+    public static final String NAMESRV_CONSOLE_NAME = "RocketmqNamesrvConsole";
     public static final String BROKER_LOGGER_NAME = "RocketmqBroker";
     public static final String BROKER_CONSOLE_NAME = "RocketmqConsole";
     public static final String CLIENT_LOGGER_NAME = "RocketmqClient";

distribution/conf/logback_namesrv.xml

@@ -82,6 +82,11 @@
         <appender-ref ref="RocketmqNamesrvAppender"/>
     </logger>
 
+    <logger name="RocketmqNamesrvConsole" additivity="false">
+        <level value="INFO"/>
+        <appender-ref ref="STDOUT"/>
+    </logger>
+
     <root>
         <level value="INFO"/>
         <appender-ref ref="DefaultAppender"/>

namesrv/src/main/java/org/apache/rocketmq/namesrv/NamesrvStartup.java

@@ -99,8 +99,9 @@ public class NamesrvStartup {
         }
 
         if (commandLine.hasOption('p')) {
-            MixAll.printObjectProperties(null, namesrvConfig);
-            MixAll.printObjectProperties(null, nettyServerConfig);
+            InternalLogger console = InternalLoggerFactory.getLogger(LoggerName.NAMESRV_CONSOLE_NAME);
+            MixAll.printObjectProperties(console, namesrvConfig);
+            MixAll.printObjectProperties(console, nettyServerConfig);
             System.exit(0);
         }