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From dongefore...@apache.org
Subject [43/51] [abbrv] incubator-rocketmq git commit: [ROCKETMQ-194] log appender support closes apache/incubator-rocketmq#101
Date Tue, 06 Jun 2017 03:39:03 GMT
[ROCKETMQ-194] log appender support closes apache/incubator-rocketmq#101


Project: http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/commit/3eea44a7
Tree: http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/tree/3eea44a7
Diff: http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/diff/3eea44a7

Branch: refs/heads/master
Commit: 3eea44a714e6a488167b775c4fc612df44af6340
Parents: 3480aae
Author: lindzh <linsony0@163.com>
Authored: Fri May 26 16:12:16 2017 +0800
Committer: dongeforever <zhendongliu92@yeah.net>
Committed: Tue Jun 6 11:37:29 2017 +0800

----------------------------------------------------------------------
 logappender/pom.xml                             |  86 +++++++
 .../logappender/common/ProducerInstance.java    |  93 ++++++++
 .../log4j/RocketmqLog4jAppender.java            | 194 +++++++++++++++
 .../log4j2/RocketmqLog4j2Appender.java          | 233 +++++++++++++++++++
 .../logback/RocketmqLogbackAppender.java        | 183 +++++++++++++++
 .../rocketmq/logappender/AbstractTestCase.java  | 154 ++++++++++++
 .../logappender/Log4jPropertiesTest.java        |  32 +++
 .../apache/rocketmq/logappender/Log4jTest.java  |  43 ++++
 .../rocketmq/logappender/Log4jXmlTest.java      |  32 +++
 .../rocketmq/logappender/LogbackTest.java       |  54 +++++
 .../apache/rocketmq/logappender/log4j2Test.java |  44 ++++
 .../src/test/resources/log4j-example.properties |  38 +++
 .../src/test/resources/log4j-example.xml        |  62 +++++
 .../src/test/resources/log4j2-example.xml       |  41 ++++
 .../src/test/resources/logback-example.xml      |  89 +++++++
 pom.xml                                         |  11 +
 style/rmq_checkstyle.xml                        |   6 +
 17 files changed, 1395 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/3eea44a7/logappender/pom.xml
----------------------------------------------------------------------
diff --git a/logappender/pom.xml b/logappender/pom.xml
new file mode 100644
index 0000000..5974c75
--- /dev/null
+++ b/logappender/pom.xml
@@ -0,0 +1,86 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  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.
+  -->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <groupId>org.apache.rocketmq</groupId>
+        <artifactId>rocketmq-all</artifactId>
+        <version>4.1.0-incubating-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>rocketmq-logappender</artifactId>
+	<packaging>jar</packaging>
+    <name>rocketmq-logappender ${project.version}</name>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>log4j</groupId>
+            <artifactId>log4j</artifactId>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-core</artifactId>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-core</artifactId>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-classic</artifactId>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>${project.groupId}</groupId>
+            <artifactId>rocketmq-client</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>${project.groupId}</groupId>
+            <artifactId>rocketmq-namesrv</artifactId>
+            <scope>test</scope>
+            <exclusions>
+                <exclusion>
+                    <groupId>ch.qos.logback</groupId>
+                    <artifactId>logback-classic</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <dependency>
+            <groupId>${project.groupId}</groupId>
+            <artifactId>rocketmq-broker</artifactId>
+            <scope>test</scope>
+            <exclusions>
+                <exclusion>
+                    <groupId>ch.qos.logback</groupId>
+                    <artifactId>logback-classic</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+
+    </dependencies>
+
+
+</project>

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/3eea44a7/logappender/src/main/java/org/apache/rocketmq/logappender/common/ProducerInstance.java
----------------------------------------------------------------------
diff --git a/logappender/src/main/java/org/apache/rocketmq/logappender/common/ProducerInstance.java b/logappender/src/main/java/org/apache/rocketmq/logappender/common/ProducerInstance.java
new file mode 100644
index 0000000..669e30c
--- /dev/null
+++ b/logappender/src/main/java/org/apache/rocketmq/logappender/common/ProducerInstance.java
@@ -0,0 +1,93 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * 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.
+ */
+package org.apache.rocketmq.logappender.common;
+
+import org.apache.rocketmq.client.exception.MQClientException;
+import org.apache.rocketmq.client.producer.DefaultMQProducer;
+import org.apache.rocketmq.client.producer.MQProducer;
+
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
+
+/**
+ * Common Producer component
+ */
+public class ProducerInstance {
+
+    public static final String APPENDER_TYPE = "APPENDER_TYPE";
+
+    public static final String LOG4J_APPENDER = "LOG4J_APPENDER";
+
+    public static final String LOG4J2_APPENDER = "LOG4J2_APPENDER";
+
+    public static final String LOGBACK_APPENDER = "LOGBACK_APPENDER";
+
+    public static final String DEFAULT_GROUP = "rocketmq_appender";
+
+    private static ConcurrentHashMap<String, MQProducer> producerMap = new ConcurrentHashMap<String, MQProducer>();
+
+    private static String genKey(String nameServerAddress, String group) {
+        return nameServerAddress + "_" + group;
+    }
+
+
+    public static MQProducer getInstance(String nameServerAddress, String group) throws MQClientException {
+        if (group == null) {
+            group = DEFAULT_GROUP;
+        }
+
+        String genKey = genKey(nameServerAddress, group);
+        MQProducer p = producerMap.get(genKey);
+        if (p != null) {
+            return p;
+        }
+
+        DefaultMQProducer defaultMQProducer = new DefaultMQProducer(group);
+        defaultMQProducer.setNamesrvAddr(nameServerAddress);
+        MQProducer beforeProducer = null;
+        //cas put producer
+        beforeProducer = producerMap.putIfAbsent(genKey, defaultMQProducer);
+        if (beforeProducer != null) {
+            return beforeProducer;
+        }
+        defaultMQProducer.start();
+        return defaultMQProducer;
+    }
+
+
+    public static void removeAndClose(String nameServerAddress, String group) {
+        if (group == null) {
+            group = DEFAULT_GROUP;
+        }
+        String genKey = genKey(nameServerAddress, group);
+        MQProducer producer = producerMap.remove(genKey);
+
+        if (producer != null) {
+            producer.shutdown();
+        }
+    }
+
+    public static void closeAll() {
+        Set<Map.Entry<String, MQProducer>> entries = producerMap.entrySet();
+        for (Map.Entry<String, MQProducer> entry : entries) {
+            producerMap.remove(entry.getKey());
+            entry.getValue().shutdown();
+        }
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/3eea44a7/logappender/src/main/java/org/apache/rocketmq/logappender/log4j/RocketmqLog4jAppender.java
----------------------------------------------------------------------
diff --git a/logappender/src/main/java/org/apache/rocketmq/logappender/log4j/RocketmqLog4jAppender.java b/logappender/src/main/java/org/apache/rocketmq/logappender/log4j/RocketmqLog4jAppender.java
new file mode 100644
index 0000000..b2983b6
--- /dev/null
+++ b/logappender/src/main/java/org/apache/rocketmq/logappender/log4j/RocketmqLog4jAppender.java
@@ -0,0 +1,194 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * 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.
+ */
+package org.apache.rocketmq.logappender.log4j;
+
+import org.apache.rocketmq.common.message.Message;
+import org.apache.rocketmq.logappender.common.ProducerInstance;
+import org.apache.log4j.AppenderSkeleton;
+import org.apache.log4j.helpers.LogLog;
+import org.apache.log4j.spi.ErrorCode;
+import org.apache.log4j.spi.LoggingEvent;
+import org.apache.rocketmq.client.producer.MQProducer;
+
+/**
+ * Log4j Appender Component
+ */
+public class RocketmqLog4jAppender extends AppenderSkeleton {
+
+    /**
+     * Appended message tag define
+     */
+    private String tag;
+
+    /**
+     * Whitch topic to send log messages
+     */
+    private String topic;
+
+    private boolean locationInfo;
+
+    /**
+     * Log producer send instance
+     */
+    private MQProducer producer;
+
+    /**
+     * RocketMQ nameserver address
+     */
+    private String nameServerAddress;
+
+    /**
+     * Log producer group
+     */
+    private String producerGroup;
+
+    public RocketmqLog4jAppender() {
+    }
+
+
+    public void activateOptions() {
+        LogLog.debug("Getting initial context.");
+        if (!checkEntryConditions()) {
+            return;
+        }
+        try {
+            producer = ProducerInstance.getInstance(nameServerAddress, producerGroup);
+        } catch (Exception e) {
+            LogLog.error("activateOptions nameserver:" + nameServerAddress + " group:" + producerGroup + " " + e.getMessage());
+        }
+    }
+
+
+    /**
+     * Info,error,warn,callback method implementation
+     *
+     * @param event
+     */
+    public void append(LoggingEvent event) {
+        if (null == producer) {
+            return;
+        }
+        if (locationInfo) {
+            event.getLocationInformation();
+        }
+        byte[] data = this.layout.format(event).getBytes();
+        try {
+            Message msg = new Message(topic, tag, data);
+            msg.getProperties().put(ProducerInstance.APPENDER_TYPE, ProducerInstance.LOG4J_APPENDER);
+
+            //Send message and do not wait for the ack from the message broker.
+            producer.sendOneway(msg);
+        } catch (Exception e) {
+            String msg = new String(data);
+            errorHandler.error("Could not send message in RocketmqLog4jAppender [" + name + "].Message is :" + msg, e,
+                    ErrorCode.GENERIC_FAILURE);
+        }
+    }
+
+    protected boolean checkEntryConditions() {
+        String fail = null;
+
+        if (this.topic == null) {
+            fail = "No topic";
+        } else if (this.tag == null) {
+            fail = "No tag";
+        }
+
+        if (fail != null) {
+            errorHandler.error(fail + " for RocketmqLog4jAppender named [" + name + "].");
+            return false;
+        } else {
+            return true;
+        }
+    }
+
+    /**
+     * When system exit,this method will be called to close resources
+     */
+    public synchronized void close() {
+        // The synchronized modifier avoids concurrent append and close operations
+
+        if (this.closed)
+            return;
+
+        LogLog.debug("Closing RocketmqLog4jAppender [" + name + "].");
+        this.closed = true;
+
+        try {
+            ProducerInstance.removeAndClose(this.nameServerAddress, this.producerGroup);
+        } catch (Exception e) {
+            LogLog.error("Closing RocketmqLog4jAppender [" + name + "] nameServerAddress:" + nameServerAddress + " group:" + producerGroup + " " + e.getMessage());
+        }
+        // Help garbage collection
+        producer = null;
+    }
+
+    public boolean requiresLayout() {
+        return true;
+    }
+
+    public String getTopic() {
+        return topic;
+    }
+
+
+    public void setTopic(String topic) {
+        this.topic = topic;
+    }
+
+    public String getTag() {
+        return tag;
+    }
+
+    public void setTag(String tag) {
+        this.tag = tag;
+    }
+
+    /**
+     * Returns value of the <b>LocationInfo</b> property which
+     * determines whether location (stack) info is sent to the remote
+     * subscriber.
+     */
+    public boolean isLocationInfo() {
+        return locationInfo;
+    }
+
+    /**
+     * If true, the information sent to the remote subscriber will
+     * include caller's location information. By default no location
+     * information is sent to the subscriber.
+     */
+    public void setLocationInfo(boolean locationInfo) {
+        this.locationInfo = locationInfo;
+    }
+
+    /**
+     * Returns the message producer,Only valid after
+     * activateOptions() method has been invoked.
+     */
+    protected MQProducer getProducer() {
+        return producer;
+    }
+
+    public void setNameServerAddress(String nameServerAddress) {
+        this.nameServerAddress = nameServerAddress;
+    }
+
+    public void setProducerGroup(String producerGroup) {
+        this.producerGroup = producerGroup;
+    }
+}

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/3eea44a7/logappender/src/main/java/org/apache/rocketmq/logappender/log4j2/RocketmqLog4j2Appender.java
----------------------------------------------------------------------
diff --git a/logappender/src/main/java/org/apache/rocketmq/logappender/log4j2/RocketmqLog4j2Appender.java b/logappender/src/main/java/org/apache/rocketmq/logappender/log4j2/RocketmqLog4j2Appender.java
new file mode 100644
index 0000000..fb8341f
--- /dev/null
+++ b/logappender/src/main/java/org/apache/rocketmq/logappender/log4j2/RocketmqLog4j2Appender.java
@@ -0,0 +1,233 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * 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.
+ */
+package org.apache.rocketmq.logappender.log4j2;
+
+import org.apache.logging.log4j.core.Appender;
+import org.apache.logging.log4j.core.Filter;
+import org.apache.logging.log4j.core.ErrorHandler;
+import org.apache.logging.log4j.core.Layout;
+import org.apache.logging.log4j.core.LogEvent;
+import org.apache.logging.log4j.core.config.Node;
+import org.apache.logging.log4j.core.config.plugins.Plugin;
+import org.apache.logging.log4j.core.config.plugins.PluginBuilderAttribute;
+import org.apache.logging.log4j.core.config.plugins.PluginBuilderFactory;
+import org.apache.logging.log4j.core.config.plugins.PluginElement;
+import org.apache.rocketmq.common.message.Message;
+import org.apache.rocketmq.logappender.common.ProducerInstance;
+import org.apache.logging.log4j.core.appender.AbstractAppender;
+import org.apache.logging.log4j.core.config.plugins.validation.constraints.Required;
+import org.apache.logging.log4j.core.layout.SerializedLayout;
+import org.apache.rocketmq.client.producer.MQProducer;
+
+import java.io.Serializable;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Log4j2 Appender Component
+ */
+@Plugin(name = "RocketMQ",
+    category = Node.CATEGORY,
+    elementType = Appender.ELEMENT_TYPE,
+    printObject = true)
+public class RocketmqLog4j2Appender extends AbstractAppender {
+
+    /**
+     * RocketMQ nameserver address
+     */
+    private String nameServerAddress;
+
+    /**
+     * Log producer group
+     */
+    private String producerGroup;
+
+    /**
+     * Log producer send instance
+     */
+    private MQProducer producer;
+
+    /**
+     * Appended message tag define
+     */
+    private String tag;
+
+    /**
+     * Whitch topic to send log messages
+     */
+    private String topic;
+
+
+    protected RocketmqLog4j2Appender(String name, Filter filter, Layout<? extends Serializable> layout,
+                                     boolean ignoreExceptions, String nameServerAddress, String producerGroup,
+                                     String topic, String tag) {
+        super(name, filter, layout, ignoreExceptions);
+        this.producer = producer;
+        this.topic = topic;
+        this.tag = tag;
+        this.nameServerAddress = nameServerAddress;
+        this.producerGroup = producerGroup;
+        try {
+            this.producer = ProducerInstance.getInstance(this.nameServerAddress, this.producerGroup);
+        } catch (Exception e) {
+            ErrorHandler handler = this.getHandler();
+            if (handler != null) {
+                handler.error("Starting RocketmqLog4j2Appender [" + this.getName()
+                        + "] nameServerAddress:" + nameServerAddress + " group:" + producerGroup + " " + e.getMessage());
+            }
+        }
+    }
+
+    /**
+     * Info,error,warn,callback method implementation
+     *
+     * @param event
+     */
+    public void append(LogEvent event) {
+        if (null == producer) {
+            return;
+        }
+        byte[] data = this.getLayout().toByteArray(event);
+        try {
+            Message msg = new Message(topic, tag, data);
+            msg.getProperties().put(ProducerInstance.APPENDER_TYPE, ProducerInstance.LOG4J2_APPENDER);
+
+            //Send message and do not wait for the ack from the message broker.
+            producer.sendOneway(msg);
+        } catch (Exception e) {
+            ErrorHandler handler = this.getHandler();
+            if (handler != null) {
+                String msg = new String(data);
+                handler.error("Could not send message in RocketmqLog4j2Appender [" + this.getName() + "].Message is : " + msg, e);
+            }
+
+        }
+    }
+
+    /**
+     * 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();
+        try {
+            ProducerInstance.removeAndClose(this.nameServerAddress, this.producerGroup);
+        } catch (Exception e) {
+            ErrorHandler handler = this.getHandler();
+            if (handler != null) {
+                handler.error("Closeing RocketmqLog4j2Appender [" + this.getName()
+                        + "] nameServerAddress:" + nameServerAddress + " group:" + producerGroup + " " + e.getMessage());
+            }
+        }
+
+        boolean stopped = super.stop(timeout, timeUnit, false);
+        this.setStopped();
+        return stopped;
+    }
+
+    /**
+     * Log4j2 builder creator
+     */
+    @PluginBuilderFactory
+    public static RocketmqLog4j2Appender.Builder newBuilder() {
+        return new RocketmqLog4j2Appender.Builder();
+    }
+
+    /**
+     * Log4j2 xml builder define
+     */
+    public static class Builder implements org.apache.logging.log4j.core.util.Builder<RocketmqLog4j2Appender> {
+
+        @PluginBuilderAttribute
+        @Required(message = "A name for the RocketmqLog4j2Appender must be specified")
+        private String name;
+
+        @PluginElement("Layout")
+        private Layout<? extends Serializable> layout;
+
+        @PluginElement("Filter")
+        private Filter filter;
+
+        @PluginBuilderAttribute
+        private boolean ignoreExceptions;
+
+        @PluginBuilderAttribute
+        private String tag;
+
+        @PluginBuilderAttribute
+        private String nameServerAddress;
+
+        @PluginBuilderAttribute
+        private String producerGroup;
+
+        @PluginBuilderAttribute
+        @Required(message = "A topic name must be specified")
+        private String topic;
+
+        private Builder() {
+            this.layout = SerializedLayout.createLayout();
+            this.ignoreExceptions = true;
+        }
+
+        public RocketmqLog4j2Appender.Builder setName(String name) {
+            this.name = name;
+            return this;
+        }
+
+        public RocketmqLog4j2Appender.Builder setLayout(Layout<? extends Serializable> layout) {
+            this.layout = layout;
+            return this;
+        }
+
+        public RocketmqLog4j2Appender.Builder setFilter(Filter filter) {
+            this.filter = filter;
+            return this;
+        }
+
+        public RocketmqLog4j2Appender.Builder setIgnoreExceptions(boolean ignoreExceptions) {
+            this.ignoreExceptions = ignoreExceptions;
+            return this;
+        }
+
+        public RocketmqLog4j2Appender.Builder setTag(final String tag) {
+            this.tag = tag;
+            return this;
+        }
+
+        public RocketmqLog4j2Appender.Builder setTopic(final String topic) {
+            this.topic = topic;
+            return this;
+        }
+
+        public RocketmqLog4j2Appender.Builder setNameServerAddress(String nameServerAddress) {
+            this.nameServerAddress = nameServerAddress;
+            return this;
+        }
+
+        public RocketmqLog4j2Appender.Builder setProducerGroup(String producerGroup) {
+            this.producerGroup = producerGroup;
+            return this;
+        }
+
+        public RocketmqLog4j2Appender build() {
+            return new RocketmqLog4j2Appender(name, filter, layout, ignoreExceptions,
+                    nameServerAddress, producerGroup, topic, tag);
+        }
+    }
+}

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/3eea44a7/logappender/src/main/java/org/apache/rocketmq/logappender/logback/RocketmqLogbackAppender.java
----------------------------------------------------------------------
diff --git a/logappender/src/main/java/org/apache/rocketmq/logappender/logback/RocketmqLogbackAppender.java b/logappender/src/main/java/org/apache/rocketmq/logappender/logback/RocketmqLogbackAppender.java
new file mode 100644
index 0000000..cb45522
--- /dev/null
+++ b/logappender/src/main/java/org/apache/rocketmq/logappender/logback/RocketmqLogbackAppender.java
@@ -0,0 +1,183 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * 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.
+ */
+package org.apache.rocketmq.logappender.logback;
+
+import ch.qos.logback.classic.net.LoggingEventPreSerializationTransformer;
+import ch.qos.logback.classic.spi.ILoggingEvent;
+import ch.qos.logback.core.AppenderBase;
+import ch.qos.logback.core.Layout;
+import ch.qos.logback.core.spi.PreSerializationTransformer;
+import ch.qos.logback.core.status.ErrorStatus;
+import org.apache.rocketmq.common.message.Message;
+import org.apache.rocketmq.logappender.common.ProducerInstance;
+import org.apache.rocketmq.client.producer.MQProducer;
+
+/**
+ * Logback Appender Component
+ */
+public class RocketmqLogbackAppender extends AppenderBase<ILoggingEvent> {
+
+    /**
+     * Message tag define
+     */
+    private String tag;
+
+    /**
+     * Whitch topic to send log messages
+     */
+    private String topic;
+
+    /**
+     * RocketMQ nameserver address
+     */
+    private String nameServerAddress;
+
+    /**
+     * Log producer group
+     */
+    private String producerGroup;
+
+    /**
+     * Log producer send instance
+     */
+    private MQProducer producer;
+
+    private Layout layout;
+
+    private PreSerializationTransformer<ILoggingEvent> pst = new LoggingEventPreSerializationTransformer();
+
+    /**
+     * Info,error,warn,callback method implementation
+     *
+     * @param event
+     */
+    @Override
+    protected void append(ILoggingEvent event) {
+        if (!isStarted()) {
+            return;
+        }
+        String logStr = this.layout.doLayout(event);
+        try {
+            Message msg = new Message(topic, tag, logStr.getBytes());
+            msg.getProperties().put(ProducerInstance.APPENDER_TYPE, ProducerInstance.LOGBACK_APPENDER);
+
+            //Send message and do not wait for the ack from the message broker.
+            producer.sendOneway(msg);
+        } catch (Exception e) {
+            addError("Could not send message in RocketmqLogbackAppender [" + name + "]. Message is : " + logStr, e);
+        }
+    }
+
+    /**
+     * Options are activated and become effective only after calling this method.
+     */
+    public void start() {
+        int errors = 0;
+
+        if (this.layout == null) {
+            addStatus(new ErrorStatus("No layout set for the RocketmqLogbackAppender named \"" + name + "\".", this));
+            errors++;
+        }
+
+        if (errors > 0 || !checkEntryConditions()) {
+            return;
+        }
+        try {
+            producer = ProducerInstance.getInstance(nameServerAddress, producerGroup);
+        } catch (Exception e) {
+            addError("Starting RocketmqLogbackAppender [" + this.getName()
+                    + "] nameServerAddress:" + nameServerAddress + " group:" + producerGroup + " " + e.getMessage());
+        }
+        if (producer != null) {
+            super.start();
+        }
+    }
+
+    /**
+     * When system exit,this method will be called to close resources
+     */
+    public synchronized void stop() {
+        // The synchronized modifier avoids concurrent append and close operations
+        if (!this.started) {
+            return;
+        }
+
+        this.started = false;
+
+        try {
+            ProducerInstance.removeAndClose(this.nameServerAddress, this.producerGroup);
+        } catch (Exception e) {
+            addError("Closeing RocketmqLogbackAppender [" + this.getName()
+                    + "] nameServerAddress:" + nameServerAddress + " group:" + producerGroup + " " + e.getMessage());
+        }
+
+        // Help garbage collection
+        producer = null;
+    }
+
+    protected boolean checkEntryConditions() {
+        String fail = null;
+
+        if (this.topic == null) {
+            fail = "No topic";
+        }
+
+        if (fail != null) {
+            addError(fail + " for RocketmqLogbackAppender named [" + name + "].");
+            return false;
+        } else {
+            return true;
+        }
+    }
+
+
+    public Layout getLayout() {
+        return this.layout;
+    }
+
+    /**
+     * Set the pattern layout to format the log.
+     */
+    public void setLayout(Layout layout) {
+        this.layout = layout;
+    }
+
+    public String getTag() {
+        return tag;
+    }
+
+
+    public void setTag(String tag) {
+        this.tag = tag;
+    }
+
+    public String getTopic() {
+        return topic;
+    }
+
+    public void setTopic(String topic) {
+        this.topic = topic;
+    }
+
+    public void setNameServerAddress(String nameServerAddress) {
+        this.nameServerAddress = nameServerAddress;
+    }
+
+    public void setProducerGroup(String producerGroup) {
+        this.producerGroup = producerGroup;
+    }
+}

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/3eea44a7/logappender/src/test/java/org/apache/rocketmq/logappender/AbstractTestCase.java
----------------------------------------------------------------------
diff --git a/logappender/src/test/java/org/apache/rocketmq/logappender/AbstractTestCase.java b/logappender/src/test/java/org/apache/rocketmq/logappender/AbstractTestCase.java
new file mode 100644
index 0000000..d3e2f8a
--- /dev/null
+++ b/logappender/src/test/java/org/apache/rocketmq/logappender/AbstractTestCase.java
@@ -0,0 +1,154 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * 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.
+ */
+package org.apache.rocketmq.logappender;
+
+import org.apache.rocketmq.broker.BrokerController;
+import org.apache.rocketmq.client.consumer.DefaultMQPushConsumer;
+import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyContext;
+import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyStatus;
+import org.apache.rocketmq.client.consumer.listener.MessageListenerConcurrently;
+import org.apache.rocketmq.client.exception.MQClientException;
+import org.apache.rocketmq.common.BrokerConfig;
+import org.apache.rocketmq.common.MQVersion;
+import org.apache.rocketmq.common.MixAll;
+import org.apache.rocketmq.common.consumer.ConsumeFromWhere;
+import org.apache.rocketmq.common.message.MessageExt;
+import org.apache.rocketmq.common.namesrv.NamesrvConfig;
+import org.apache.rocketmq.logappender.common.ProducerInstance;
+import org.apache.rocketmq.namesrv.NamesrvController;
+import org.apache.rocketmq.remoting.netty.NettyClientConfig;
+import org.apache.rocketmq.remoting.netty.NettyServerConfig;
+import org.apache.rocketmq.remoting.protocol.RemotingCommand;
+import org.apache.rocketmq.store.config.MessageStoreConfig;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+
+import java.util.List;
+import java.util.Random;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicInteger;
+
+/**
+ * Basic test rocketmq broker and name server init
+ */
+public class AbstractTestCase {
+
+    private static String nameServer = "localhost:9876";
+
+    private static NamesrvController namesrvController;
+
+    private static BrokerController brokerController;
+
+    private static String topic = "TopicTest";
+
+    @BeforeClass
+    public static void startRocketmqService() throws Exception {
+
+        startNamesrv();
+
+        startBroker();
+    }
+
+    /**
+     * Start rocketmq name server
+     * @throws Exception
+     */
+    private static void startNamesrv() throws Exception {
+
+        NamesrvConfig namesrvConfig = new NamesrvConfig();
+        NettyServerConfig nettyServerConfig = new NettyServerConfig();
+        nettyServerConfig.setListenPort(9876);
+
+        namesrvController = new NamesrvController(namesrvConfig, nettyServerConfig);
+        boolean initResult = namesrvController.initialize();
+        if (!initResult) {
+            namesrvController.shutdown();
+            throw new Exception();
+        }
+        namesrvController.start();
+    }
+
+    /**
+     * Start rocketmq broker service
+     * @throws Exception
+     */
+    private static void startBroker() throws Exception {
+
+        System.setProperty(RemotingCommand.REMOTING_VERSION_KEY, Integer.toString(MQVersion.CURRENT_VERSION));
+
+        BrokerConfig brokerConfig = new BrokerConfig();
+        brokerConfig.setNamesrvAddr(nameServer);
+        brokerConfig.setBrokerId(MixAll.MASTER_ID);
+        NettyServerConfig nettyServerConfig = new NettyServerConfig();
+        nettyServerConfig.setListenPort(10911);
+        NettyClientConfig nettyClientConfig = new NettyClientConfig();
+        MessageStoreConfig messageStoreConfig = new MessageStoreConfig();
+
+        brokerController = new BrokerController(brokerConfig, nettyServerConfig, nettyClientConfig, messageStoreConfig);
+        boolean initResult = brokerController.initialize();
+        if (!initResult) {
+            brokerController.shutdown();
+            throw new Exception();
+        }
+        brokerController.start();
+    }
+
+    @AfterClass
+    public static void stop() {
+        ProducerInstance.closeAll();
+        if (brokerController != null) {
+            brokerController.shutdown();
+        }
+
+        if (namesrvController != null) {
+            namesrvController.shutdown();
+        }
+    }
+
+    protected int consumeMessages(int count,final String key,int timeout) throws MQClientException, InterruptedException {
+
+        final AtomicInteger cc = new AtomicInteger(0);
+        final CountDownLatch countDownLatch = new CountDownLatch(count);
+
+        DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("hello");
+        consumer.setNamesrvAddr(nameServer);
+        consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET);
+        consumer.subscribe(topic, "*");
+
+        consumer.registerMessageListener(new MessageListenerConcurrently() {
+
+            @Override
+            public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs,
+                                                            ConsumeConcurrentlyContext context) {
+                for (MessageExt msg : msgs) {
+                    String body = new String(msg.getBody());
+                    if(key==null||body.contains(key)){
+                        countDownLatch.countDown();
+                        cc.incrementAndGet();
+                        continue;
+                    }
+                }
+                return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
+            }
+        });
+        consumer.start();
+        countDownLatch.await(timeout, TimeUnit.SECONDS);
+        consumer.shutdown();
+        return cc.get();
+    }
+}

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/3eea44a7/logappender/src/test/java/org/apache/rocketmq/logappender/Log4jPropertiesTest.java
----------------------------------------------------------------------
diff --git a/logappender/src/test/java/org/apache/rocketmq/logappender/Log4jPropertiesTest.java b/logappender/src/test/java/org/apache/rocketmq/logappender/Log4jPropertiesTest.java
new file mode 100644
index 0000000..8675230
--- /dev/null
+++ b/logappender/src/test/java/org/apache/rocketmq/logappender/Log4jPropertiesTest.java
@@ -0,0 +1,32 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * 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.
+ */
+package org.apache.rocketmq.logappender;
+
+import org.apache.log4j.PropertyConfigurator;
+
+public class Log4jPropertiesTest extends Log4jTest {
+
+    @Override
+    public void init() {
+        PropertyConfigurator.configure("src/test/resources/log4j-example.properties");
+    }
+
+    @Override
+    public String getType() {
+        return "properties";
+    }
+}

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/3eea44a7/logappender/src/test/java/org/apache/rocketmq/logappender/Log4jTest.java
----------------------------------------------------------------------
diff --git a/logappender/src/test/java/org/apache/rocketmq/logappender/Log4jTest.java b/logappender/src/test/java/org/apache/rocketmq/logappender/Log4jTest.java
new file mode 100644
index 0000000..75f9bf2
--- /dev/null
+++ b/logappender/src/test/java/org/apache/rocketmq/logappender/Log4jTest.java
@@ -0,0 +1,43 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * 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.
+ */
+package org.apache.rocketmq.logappender;
+
+import org.apache.log4j.Logger;
+import org.apache.rocketmq.client.exception.MQClientException;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+
+public abstract class Log4jTest extends AbstractTestCase{
+
+    @Before
+    public abstract void init();
+
+    public abstract String getType();
+
+    @Test
+    public void testLog4j() throws InterruptedException, MQClientException {
+        Logger logger = Logger.getLogger("testLogger");
+        for (int i = 0; i < 50; i++) {
+            logger.info("log4j " + this.getType() + " simple test message " + i);
+        }
+        int received = consumeMessages(30, "log4j",30);
+        Assert.assertTrue(received>20);
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/3eea44a7/logappender/src/test/java/org/apache/rocketmq/logappender/Log4jXmlTest.java
----------------------------------------------------------------------
diff --git a/logappender/src/test/java/org/apache/rocketmq/logappender/Log4jXmlTest.java b/logappender/src/test/java/org/apache/rocketmq/logappender/Log4jXmlTest.java
new file mode 100644
index 0000000..6743f7c
--- /dev/null
+++ b/logappender/src/test/java/org/apache/rocketmq/logappender/Log4jXmlTest.java
@@ -0,0 +1,32 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * 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.
+ */
+package org.apache.rocketmq.logappender;
+
+import org.apache.log4j.xml.DOMConfigurator;
+
+public class Log4jXmlTest extends Log4jTest {
+
+    @Override
+    public void init() {
+        DOMConfigurator.configure("src/test/resources/log4j-example.xml");
+    }
+
+    @Override
+    public String getType() {
+        return "xml";
+    }
+}

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/3eea44a7/logappender/src/test/java/org/apache/rocketmq/logappender/LogbackTest.java
----------------------------------------------------------------------
diff --git a/logappender/src/test/java/org/apache/rocketmq/logappender/LogbackTest.java b/logappender/src/test/java/org/apache/rocketmq/logappender/LogbackTest.java
new file mode 100644
index 0000000..15a21a3
--- /dev/null
+++ b/logappender/src/test/java/org/apache/rocketmq/logappender/LogbackTest.java
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * 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.
+ */
+package org.apache.rocketmq.logappender;
+
+import ch.qos.logback.classic.LoggerContext;
+import ch.qos.logback.classic.joran.JoranConfigurator;
+import ch.qos.logback.core.joran.spi.JoranException;
+import ch.qos.logback.core.util.StatusPrinter;
+import org.apache.rocketmq.client.exception.MQClientException;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.File;
+
+public class LogbackTest extends AbstractTestCase{
+
+    @Before
+    public void init() throws JoranException {
+        LoggerContext lc = (LoggerContext) LoggerFactory.getILoggerFactory();
+        JoranConfigurator configurator = new JoranConfigurator();
+        configurator.setContext(lc);
+        lc.reset();
+        configurator.doConfigure(new File("src/test/resources/logback-example.xml"));
+        StatusPrinter.printInCaseOfErrorsOrWarnings(lc);
+    }
+
+
+    @Test
+    public void testLogback() throws InterruptedException, MQClientException {
+        Logger logger = LoggerFactory.getLogger("testLogger");
+        for (int i = 0; i < 50; i++) {
+            logger.info("logback test message " + i);
+        }
+        int received = consumeMessages(30, "logback",30);
+        Assert.assertTrue(received>20);
+    }
+}

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/3eea44a7/logappender/src/test/java/org/apache/rocketmq/logappender/log4j2Test.java
----------------------------------------------------------------------
diff --git a/logappender/src/test/java/org/apache/rocketmq/logappender/log4j2Test.java b/logappender/src/test/java/org/apache/rocketmq/logappender/log4j2Test.java
new file mode 100644
index 0000000..75ba523
--- /dev/null
+++ b/logappender/src/test/java/org/apache/rocketmq/logappender/log4j2Test.java
@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * 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.
+ */
+package org.apache.rocketmq.logappender;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.apache.logging.log4j.core.config.Configurator;
+import org.apache.rocketmq.client.exception.MQClientException;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+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 {
+        Logger logger = LogManager.getLogger("test");
+        for (int i = 0; i < 50; i++) {
+            logger.info("log4j2 log message " + i);
+        }
+        int received = consumeMessages(30, "log4j2",30);
+        Assert.assertTrue(received>20);
+    }
+}

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/3eea44a7/logappender/src/test/resources/log4j-example.properties
----------------------------------------------------------------------
diff --git a/logappender/src/test/resources/log4j-example.properties b/logappender/src/test/resources/log4j-example.properties
new file mode 100644
index 0000000..b4e8114
--- /dev/null
+++ b/logappender/src/test/resources/log4j-example.properties
@@ -0,0 +1,38 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  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.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
+log4j.appender.mq.ProducerGroup=log4jp
+log4j.appender.mq.NameServerAddress=127.0.0.1:9876
+log4j.appender.mq.layout=org.apache.log4j.PatternLayout
+log4j.appender.mq.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-4r [%t] (%F:%L) %-5p - %m%n
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/3eea44a7/logappender/src/test/resources/log4j-example.xml
----------------------------------------------------------------------
diff --git a/logappender/src/test/resources/log4j-example.xml b/logappender/src/test/resources/log4j-example.xml
new file mode 100644
index 0000000..e58bcb0
--- /dev/null
+++ b/logappender/src/test/resources/log4j-example.xml
@@ -0,0 +1,62 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements.  See the NOTICE file distributed with
+this work for additional information regarding copyright ownership.
+The ASF licenses this file to You under the Apache License, Version 2.0
+(the "License"); you may not use this file except in compliance with
+the License.  You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+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.
+-->
+<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
+<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" />
+        <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" />
+        </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="log4jxml" />
+        <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" />
+        </layout>
+    </appender>
+
+    <appender name="mqAsyncAppender1" class="org.apache.log4j.AsyncAppender">
+        <param name="BufferSize" value="1024" />
+        <param name="Blocking" value="false" />
+        <appender-ref ref="mqAppender1"/>
+    </appender>
+
+    <logger name="testLogger" additivity="false">
+        <level value="INFO" />
+        <appender-ref ref="mqAsyncAppender1" />
+        <appender-ref ref="consoleAppender" />
+    </logger>
+
+    <logger name="consoleLogger" additivity="false">
+        <level value="INFO" />
+        <appender-ref ref="consoleAppender" />
+    </logger>
+
+
+    <root>
+        <level value="INFO" />
+        <appender-ref ref="consoleAppender"/>
+    </root>
+
+</log4j:configuration>
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/3eea44a7/logappender/src/test/resources/log4j2-example.xml
----------------------------------------------------------------------
diff --git a/logappender/src/test/resources/log4j2-example.xml b/logappender/src/test/resources/log4j2-example.xml
new file mode 100644
index 0000000..358d40e
--- /dev/null
+++ b/logappender/src/test/resources/log4j2-example.xml
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  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.
+  -->
+
+<Configuration status="warn" name="Rocketmq">
+<Appenders>
+    <RocketMQ name="rocketmqAppender" producerGroup="log4j2" 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>
+
+    <Logger name="rocketmqLogger" level="info">
+        <AppenderRef ref="rocketmqAppender"/>
+    </Logger>
+
+    <Root level="debug">
+        <AppenderRef ref="Console"/>
+        <AppenderRef ref="rocketmqAppender"/>
+    </Root>
+</Loggers>
+</Configuration>
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/3eea44a7/logappender/src/test/resources/logback-example.xml
----------------------------------------------------------------------
diff --git a/logappender/src/test/resources/logback-example.xml b/logappender/src/test/resources/logback-example.xml
new file mode 100644
index 0000000..21b5434
--- /dev/null
+++ b/logappender/src/test/resources/logback-example.xml
@@ -0,0 +1,89 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  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.
+  -->
+
+<configuration>
+
+    <appender name="system" class="ch.qos.logback.core.rolling.RollingFileAppender">
+        <file>${user.home}/logs/simple/system.log</file>
+        <append>true</append>
+        <rollingPolicy class="ch.qos.logback.core.rolling.FixedWindowRollingPolicy">
+            <fileNamePattern>${user.home}/logs/simple/system.%i.log
+            </fileNamePattern>
+            <minIndex>1</minIndex>
+            <maxIndex>30</maxIndex>
+        </rollingPolicy>
+        <triggeringPolicy class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
+            <maxFileSize>100MB</maxFileSize>
+        </triggeringPolicy>
+        <encoder>
+            <pattern>%date %p %t - %m%n</pattern>
+            <charset class="java.nio.charset.Charset">UTF-8</charset>
+        </encoder>
+    </appender>
+
+    <appender name="consoleAppender" class="ch.qos.logback.core.ConsoleAppender">
+        <target>System.out</target>
+        <encoder>
+            <pattern>%date %p %t - %m%n</pattern>
+            <charset class="java.nio.charset.Charset">UTF-8</charset>
+        </encoder>
+    </appender>
+
+    <appender name="dailyAppender" class="ch.qos.logback.core.rolling.RollingFileAppender">
+        <file>${user.home}/logs/simple/daily.log</file>
+        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
+            <fileNamePattern>${user.home}/logs/simple/daily.log.%d{yyyy-MM-dd_HH}</fileNamePattern>
+            <maxHistory>30</maxHistory>
+        </rollingPolicy>
+        <encoder>
+            <pattern>%date %p %t - %m%n</pattern>
+        </encoder>
+    </appender>
+
+    <appender name="mqAppender1" class="org.apache.rocketmq.logappender.logback.RocketmqLogbackAppender">
+        <tag>log1</tag>
+        <topic>TopicTest</topic>
+        <producerGroup>logback</producerGroup>
+        <nameServerAddress>127.0.0.1:9876</nameServerAddress>
+        <layout>
+            <pattern>%date %p %t - %m%n</pattern>
+        </layout>
+    </appender>
+
+    <appender name="mqAsyncAppender1" class="ch.qos.logback.classic.AsyncAppender">
+        <queueSize>1024</queueSize>
+        <discardingThreshold>80</discardingThreshold>
+        <maxFlushTime>2000</maxFlushTime>
+        <neverBlock>true</neverBlock>
+        <appender-ref ref="mqAppender1"/>
+    </appender>
+
+    <root>
+        <level value="debug"/>
+        <appender-ref ref="consoleAppender"/>
+    </root>
+
+    <logger name="systemLogger" level="debug" additivity="false">
+        <appender-ref ref="system"/>
+    </logger>
+
+    <logger name="testLogger" level="debug" additivity="false">
+        <appender-ref ref="mqAsyncAppender1"/>
+        <appender-ref ref="consoleAppender"/>
+    </logger>
+</configuration>

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/3eea44a7/pom.xml
----------------------------------------------------------------------
diff --git a/pom.xml b/pom.xml
index 25e4c84..c60c93c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -175,6 +175,7 @@
         <module>store</module>
         <module>namesrv</module>
         <module>remoting</module>
+        <module>logappender</module>
         <module>example</module>
         <module>filtersrv</module>
         <module>srvutil</module>
@@ -623,6 +624,16 @@
                 <artifactId>openmessaging-api</artifactId>
                 <version>0.1.0-alpha</version>
             </dependency>
+            <dependency>
+                <groupId>log4j</groupId>
+                <artifactId>log4j</artifactId>
+                <version>1.2.17</version>
+            </dependency>
+            <dependency>
+                <groupId>org.apache.logging.log4j</groupId>
+                <artifactId>log4j-core</artifactId>
+                <version>2.7</version>
+            </dependency>
         </dependencies>
     </dependencyManagement>
 </project>

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/3eea44a7/style/rmq_checkstyle.xml
----------------------------------------------------------------------
diff --git a/style/rmq_checkstyle.xml b/style/rmq_checkstyle.xml
index 2872eb7..6ec2ad0 100644
--- a/style/rmq_checkstyle.xml
+++ b/style/rmq_checkstyle.xml
@@ -30,6 +30,12 @@
     <!-- header -->
     <module name="RegexpHeader">
         <property name="header" value="/\*\nLicensed to the Apache Software Foundation*"/>
+        <property name="fileExtensions" value="java"/>
+    </module>
+
+    <module name="RegexpHeader">
+        <property name="header" value="#[\s]*Licensed to the Apache Software Foundation*"/>
+        <property name="fileExtensions" value="properties"/>
     </module>
 
     <module name="RegexpSingleline">


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