Reformat code globally second time
diff --git a/src/main/java/org/apache/rocketmq/logappender/common/ProducerInstance.java b/src/main/java/org/apache/rocketmq/logappender/common/ProducerInstance.java
index 53521d4..d2adac5 100644
--- a/src/main/java/org/apache/rocketmq/logappender/common/ProducerInstance.java
+++ b/src/main/java/org/apache/rocketmq/logappender/common/ProducerInstance.java
@@ -52,7 +52,6 @@
         return nameServerAddress + "_" + group;
     }
 
-
     public MQProducer getInstance(String nameServerAddress, String group) throws MQClientException {
         if (StringUtils.isBlank(group)) {
             group = DEFAULT_GROUP;
@@ -75,7 +74,6 @@
         return defaultMQProducer;
     }
 
-
     public void removeAndClose(String nameServerAddress, String group) {
         if (group == null) {
             group = DEFAULT_GROUP;
diff --git a/src/main/java/org/apache/rocketmq/logappender/log4j/RocketmqLog4jAppender.java b/src/main/java/org/apache/rocketmq/logappender/log4j/RocketmqLog4jAppender.java
index 3fd8d4c..646e924 100644
--- a/src/main/java/org/apache/rocketmq/logappender/log4j/RocketmqLog4jAppender.java
+++ b/src/main/java/org/apache/rocketmq/logappender/log4j/RocketmqLog4jAppender.java
@@ -59,7 +59,6 @@
     public RocketmqLog4jAppender() {
     }
 
-
     public void activateOptions() {
         LogLog.debug("Getting initial context.");
         if (!checkEntryConditions()) {
@@ -72,11 +71,8 @@
         }
     }
 
-
     /**
      * Info,error,warn,callback method implementation
-     *
-     * @param event
      */
     public void append(LoggingEvent event) {
         if (null == producer) {
@@ -95,7 +91,7 @@
         } catch (Exception e) {
             String msg = new String(data);
             errorHandler.error("Could not send message in RocketmqLog4jAppender [" + name + "].Message is :" + msg, e,
-                    ErrorCode.GENERIC_FAILURE);
+                ErrorCode.GENERIC_FAILURE);
         }
     }
 
@@ -145,7 +141,6 @@
         return topic;
     }
 
-
     public void setTopic(String topic) {
         this.topic = topic;
     }
diff --git a/src/main/java/org/apache/rocketmq/logappender/log4j2/RocketmqLog4j2Appender.java b/src/main/java/org/apache/rocketmq/logappender/log4j2/RocketmqLog4j2Appender.java
index 5a6362e..9543f1c 100644
--- a/src/main/java/org/apache/rocketmq/logappender/log4j2/RocketmqLog4j2Appender.java
+++ b/src/main/java/org/apache/rocketmq/logappender/log4j2/RocketmqLog4j2Appender.java
@@ -70,10 +70,9 @@
      */
     private String topic;
 
-
     protected RocketmqLog4j2Appender(String name, Filter filter, Layout<? extends Serializable> layout,
-                                     boolean ignoreExceptions, String nameServerAddress, String producerGroup,
-                                     String topic, String tag) {
+        boolean ignoreExceptions, String nameServerAddress, String producerGroup,
+        String topic, String tag) {
         super(name, filter, layout, ignoreExceptions);
         this.producer = producer;
         this.topic = topic;
@@ -86,15 +85,13 @@
             ErrorHandler handler = this.getHandler();
             if (handler != null) {
                 handler.error("Starting RocketmqLog4j2Appender [" + this.getName()
-                        + "] nameServerAddress:" + nameServerAddress + " group:" + producerGroup + " " + e.getMessage());
+                    + "] nameServerAddress:" + nameServerAddress + " group:" + producerGroup + " " + e.getMessage());
             }
         }
     }
 
     /**
      * Info,error,warn,callback method implementation
-     *
-     * @param event
      */
     public void append(LogEvent event) {
         if (null == producer) {
@@ -119,10 +116,6 @@
 
     /**
      * When system exit,this method will be called to close resources
-     *
-     * @param timeout
-     * @param timeUnit
-     * @return
      */
     public boolean stop(long timeout, TimeUnit timeUnit) {
         this.setStopping();
@@ -132,7 +125,7 @@
             ErrorHandler handler = this.getHandler();
             if (handler != null) {
                 handler.error("Closeing RocketmqLog4j2Appender [" + this.getName()
-                        + "] nameServerAddress:" + nameServerAddress + " group:" + producerGroup + " " + e.getMessage());
+                    + "] nameServerAddress:" + nameServerAddress + " group:" + producerGroup + " " + e.getMessage());
             }
         }
 
@@ -227,7 +220,7 @@
 
         public RocketmqLog4j2Appender build() {
             return new RocketmqLog4j2Appender(name, filter, layout, ignoreExceptions,
-                    nameServerAddress, producerGroup, topic, tag);
+                nameServerAddress, producerGroup, topic, tag);
         }
     }
 }
diff --git a/src/main/java/org/apache/rocketmq/logappender/logback/RocketmqLogbackAppender.java b/src/main/java/org/apache/rocketmq/logappender/logback/RocketmqLogbackAppender.java
index 50ba564..4018cd4 100644
--- a/src/main/java/org/apache/rocketmq/logappender/logback/RocketmqLogbackAppender.java
+++ b/src/main/java/org/apache/rocketmq/logappender/logback/RocketmqLogbackAppender.java
@@ -62,8 +62,6 @@
 
     /**
      * Info,error,warn,callback method implementation
-     *
-     * @param event
      */
     @Override
     protected void append(ILoggingEvent event) {
@@ -100,7 +98,7 @@
             producer = ProducerInstance.getProducerInstance().getInstance(nameServerAddress, producerGroup);
         } catch (Exception e) {
             addError("Starting RocketmqLogbackAppender [" + this.getName()
-                    + "] nameServerAddress:" + nameServerAddress + " group:" + producerGroup + " " + e.getMessage());
+                + "] nameServerAddress:" + nameServerAddress + " group:" + producerGroup + " " + e.getMessage());
         }
         if (producer != null) {
             super.start();
@@ -122,7 +120,7 @@
             ProducerInstance.getProducerInstance().removeAndClose(this.nameServerAddress, this.producerGroup);
         } catch (Exception e) {
             addError("Closeing RocketmqLogbackAppender [" + this.getName()
-                    + "] nameServerAddress:" + nameServerAddress + " group:" + producerGroup + " " + e.getMessage());
+                + "] nameServerAddress:" + nameServerAddress + " group:" + producerGroup + " " + e.getMessage());
         }
 
         // Help garbage collection
@@ -144,7 +142,6 @@
         }
     }
 
-
     public Layout getLayout() {
         return this.layout;
     }
@@ -160,7 +157,6 @@
         return tag;
     }
 
-
     public void setTag(String tag) {
         this.tag = tag;
     }
diff --git a/src/test/java/org/apache/rocketmq/logappender/AbstractTestCase.java b/src/test/java/org/apache/rocketmq/logappender/AbstractTestCase.java
index 9faebb9..38904c0 100644
--- a/src/test/java/org/apache/rocketmq/logappender/AbstractTestCase.java
+++ b/src/test/java/org/apache/rocketmq/logappender/AbstractTestCase.java
@@ -30,7 +30,6 @@
 import java.util.concurrent.CopyOnWriteArrayList;
 import java.util.concurrent.atomic.AtomicInteger;
 
-
 /**
  * Basic test rocketmq broker and name server init
  */
diff --git a/src/test/java/org/apache/rocketmq/logappender/Log4jTest.java b/src/test/java/org/apache/rocketmq/logappender/Log4jTest.java
index 6306ec5..c139283 100644
--- a/src/test/java/org/apache/rocketmq/logappender/Log4jTest.java
+++ b/src/test/java/org/apache/rocketmq/logappender/Log4jTest.java
@@ -22,8 +22,7 @@
 import org.junit.Before;
 import org.junit.Test;
 
-
-public abstract class Log4jTest extends AbstractTestCase{
+public abstract class Log4jTest extends AbstractTestCase {
 
     @Before
     public abstract void init();
@@ -37,8 +36,8 @@
         for (int i = 0; i < 10; i++) {
             logger.info("log4j " + this.getType() + " simple test message " + i);
         }
-        int received = consumeMessages(10, "log4j",10);
-        Assert.assertTrue(received>5);
+        int received = consumeMessages(10, "log4j", 10);
+        Assert.assertTrue(received > 5);
     }
 
 }
diff --git a/src/test/java/org/apache/rocketmq/logappender/LogbackTest.java b/src/test/java/org/apache/rocketmq/logappender/LogbackTest.java
index 4f9d3e5..d7ec184 100644
--- a/src/test/java/org/apache/rocketmq/logappender/LogbackTest.java
+++ b/src/test/java/org/apache/rocketmq/logappender/LogbackTest.java
@@ -29,7 +29,7 @@
 
 import java.io.File;
 
-public class LogbackTest extends AbstractTestCase{
+public class LogbackTest extends AbstractTestCase {
 
     @Before
     public void init() throws JoranException {
@@ -41,7 +41,6 @@
         StatusPrinter.printInCaseOfErrorsOrWarnings(lc);
     }
 
-
     @Test
     public void testLogback() throws InterruptedException, MQClientException {
         clear();
@@ -49,7 +48,7 @@
         for (int i = 0; i < 10; i++) {
             logger.info("logback test message " + i);
         }
-        int received = consumeMessages(10, "logback",10);
-        Assert.assertTrue(received>=5);
+        int received = consumeMessages(10, "logback", 10);
+        Assert.assertTrue(received >= 5);
     }
 }
diff --git a/src/test/java/org/apache/rocketmq/logappender/log4j2Test.java b/src/test/java/org/apache/rocketmq/logappender/log4j2Test.java
index 4089644..6f6af60 100644
--- a/src/test/java/org/apache/rocketmq/logappender/log4j2Test.java
+++ b/src/test/java/org/apache/rocketmq/logappender/log4j2Test.java
@@ -24,14 +24,13 @@
 import org.junit.Before;
 import org.junit.Test;
 
-public class log4j2Test extends AbstractTestCase{
+public class log4j2Test extends AbstractTestCase {
 
     @Before
     public void init() {
         Configurator.initialize("log4j2", "src/test/resources/log4j2-example.xml");
     }
 
-
     @Test
     public void testLog4j2() throws InterruptedException, MQClientException {
         clear();
@@ -39,7 +38,7 @@
         for (int i = 0; i < 10; i++) {
             logger.info("log4j2 log message " + i);
         }
-        int received = consumeMessages(10, "log4j2",10);
-        Assert.assertTrue(received>5);
+        int received = consumeMessages(10, "log4j2", 10);
+        Assert.assertTrue(received > 5);
     }
 }
diff --git a/src/test/resources/log4j-example.properties b/src/test/resources/log4j-example.properties
index 7fdebbb..63b2a98 100644
--- a/src/test/resources/log4j-example.properties
+++ b/src/test/resources/log4j-example.properties
@@ -12,23 +12,18 @@
 #  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 #  See the License for the specific language governing permissions and
 #  limitations under the License.
-
 log4j.rootLogger=INFO,stdout
-
 log4j.logger.testLogger=INFO,mq
-
 log4j.appender.stdout=org.apache.log4j.ConsoleAppender
 log4j.appender.stdout.Target=System.out
 log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
 log4j.appender.stdout.layout.ConversionPattern=%d %-4r [%t] (%F:%L) %-5p - %m%n
-
 log4j.appender.store=org.apache.log4j.DailyRollingFileAppender
 log4j.appender.store.File=${user.home}/logs/rocketmqlogs/appender.log
 log4j.appender.store.Append=true
-log4j.appender.store.DatePattern ='_'yyyy-MM-dd'.log'
+log4j.appender.store.DatePattern='_'yyyy-MM-dd'.log'
 log4j.appender.store.layout=org.apache.log4j.PatternLayout
 log4j.appender.store.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-4r [%t] (%F:%L) %-5p - %m%n
-
 log4j.appender.mq=org.apache.rocketmq.logappender.log4j.RocketmqLog4jAppender
 log4j.appender.mq.Tag=log
 log4j.appender.mq.Topic=TopicTest
diff --git a/src/test/resources/log4j-example.xml b/src/test/resources/log4j-example.xml
index b0dc776..6bddde9 100644
--- a/src/test/resources/log4j-example.xml
+++ b/src/test/resources/log4j-example.xml
@@ -19,37 +19,37 @@
 <log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
 
     <appender name="consoleAppender" class="org.apache.log4j.ConsoleAppender">
-        <param name="Encoding" value="UTF-8" />
-        <param name="Target" value="System.out" />
+        <param name="Encoding" value="UTF-8"/>
+        <param name="Target" value="System.out"/>
         <layout class="org.apache.log4j.PatternLayout">
-            <param name="ConversionPattern" value="%d{yyyy-MM-dd HH:mm:ss},%d %-4r [%t] (%F:%L) %-5p - %m%n" />
+            <param name="ConversionPattern" value="%d{yyyy-MM-dd HH:mm:ss},%d %-4r [%t] (%F:%L) %-5p - %m%n"/>
         </layout>
     </appender>
 
     <appender name="mqAppender1" class="org.apache.rocketmq.logappender.log4j.RocketmqLog4jAppender">
-        <param name="Tag" value="log1" />
-        <param name="Topic" value="TopicTest" />
-        <param name="ProducerGroup" value="loggerAppender" />
+        <param name="Tag" value="log1"/>
+        <param name="Topic" value="TopicTest"/>
+        <param name="ProducerGroup" value="loggerAppender"/>
         <param name="NameServerAddress" value="127.0.0.1:9876"/>
         <layout class="org.apache.log4j.PatternLayout">
-            <param name="ConversionPattern" value="%d{yyyy-MM-dd HH:mm:ss}-%p %t %c - %m%n" />
+            <param name="ConversionPattern" value="%d{yyyy-MM-dd HH:mm:ss}-%p %t %c - %m%n"/>
         </layout>
     </appender>
 
     <logger name="testLogger" additivity="false">
-        <level value="INFO" />
-        <appender-ref ref="mqAppender1" />
-        <appender-ref ref="consoleAppender" />
+        <level value="INFO"/>
+        <appender-ref ref="mqAppender1"/>
+        <appender-ref ref="consoleAppender"/>
     </logger>
 
     <logger name="consoleLogger" additivity="false">
-        <level value="INFO" />
-        <appender-ref ref="consoleAppender" />
+        <level value="INFO"/>
+        <appender-ref ref="consoleAppender"/>
     </logger>
 
 
     <root>
-        <level value="INFO" />
+        <level value="INFO"/>
         <appender-ref ref="consoleAppender"/>
     </root>
 
diff --git a/src/test/resources/log4j2-example.xml b/src/test/resources/log4j2-example.xml
index 3ee8a01..c310855 100644
--- a/src/test/resources/log4j2-example.xml
+++ b/src/test/resources/log4j2-example.xml
@@ -17,25 +17,25 @@
   -->
 
 <Configuration status="warn" name="Rocketmq">
-<Appenders>
-    <RocketMQ name="rocketmqAppender" producerGroup="loggerAppender" nameServerAddress="127.0.0.1:9876"
-         topic="TopicTest" tag="log">
-        <PatternLayout pattern="%d [%p] hahahah %c %m%n"/>
-    </RocketMQ>
+    <Appenders>
+        <RocketMQ name="rocketmqAppender" producerGroup="loggerAppender" nameServerAddress="127.0.0.1:9876"
+                  topic="TopicTest" tag="log">
+            <PatternLayout pattern="%d [%p] hahahah %c %m%n"/>
+        </RocketMQ>
 
-    <Console name="Console" target="SYSTEM_OUT">
-        <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
-    </Console>
-</Appenders>
-<Loggers>
+        <Console name="Console" target="SYSTEM_OUT">
+            <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
+        </Console>
+    </Appenders>
+    <Loggers>
 
-    <Logger name="rocketmqLogger" level="info">
-        <AppenderRef ref="rocketmqAppender"/>
-    </Logger>
+        <Logger name="rocketmqLogger" level="info">
+            <AppenderRef ref="rocketmqAppender"/>
+        </Logger>
 
-    <Root level="debug">
-        <AppenderRef ref="Console"/>
-        <AppenderRef ref="rocketmqAppender"/>
-    </Root>
-</Loggers>
+        <Root level="debug">
+            <AppenderRef ref="Console"/>
+            <AppenderRef ref="rocketmqAppender"/>
+        </Root>
+    </Loggers>
 </Configuration>
\ No newline at end of file