fixed https://github.com/alibaba/canal/pull/334

common/src/main/java/com/alibaba/otter/canal/common/zookeeper/ZooKeeperx.java

@@ -1,5 +1,13 @@
 package com.alibaba.otter.canal.common.zookeeper;
 
+import java.io.IOException;
+import java.lang.reflect.Field;
+import java.net.InetSocketAddress;
+import java.util.Arrays;
+import java.util.List;
+import java.util.concurrent.locks.Lock;
+import java.util.concurrent.locks.ReentrantLock;
+
 import org.I0Itec.zkclient.ZkConnection;
 import org.I0Itec.zkclient.exception.ZkException;
 import org.apache.commons.lang.StringUtils;
@@ -13,14 +21,6 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.util.ReflectionUtils;
 
-import java.io.IOException;
-import java.lang.reflect.Field;
-import java.net.InetSocketAddress;
-import java.util.Arrays;
-import java.util.List;
-import java.util.concurrent.locks.Lock;
-import java.util.concurrent.locks.ReentrantLock;
-
 /**
  * 封装了ZooKeeper，使其支持节点的优先顺序，比如美国机房的节点会优先加载美国对应的zk集群列表，都失败后才会选择加载杭州的zk集群列表 *
  * 
@@ -33,8 +33,10 @@ public class ZooKeeperx extends ZkConnection {
     private static final Logger logger                  = LoggerFactory.getLogger(ZooKeeperx.class);
     private static final Field  clientCnxnField         = ReflectionUtils.findField(ZooKeeper.class, "cnxn");
     private static final Field  hostProviderField       = ReflectionUtils.findField(ClientCnxn.class, "hostProvider");
-    private static final Field  serverAddressesField    = ReflectionUtils.findField(StaticHostProvider.class, "serverAddresses");
+    private static final Field  serverAddressesField    = ReflectionUtils.findField(StaticHostProvider.class,
-    private static final Field  zookeeperLockField      = ReflectionUtils.findField(ZkConnection.class, "_zookeeperLock");
+                                                            "serverAddresses");
+    private static final Field  zookeeperLockField      = ReflectionUtils.findField(ZkConnection.class,
+                                                            "_zookeeperLock");
     private static final Field  zookeeperFiled          = ReflectionUtils.findField(ZkConnection.class, "_zk");
     private static final int    DEFAULT_SESSION_TIMEOUT = 90000;
 
@@ -98,7 +100,8 @@ public class ZooKeeperx extends ZkConnection {
                     // 强制获取zk中的地址信息
                     ClientCnxn cnxn = (ClientCnxn) ReflectionUtils.getField(clientCnxnField, zk);
                     HostProvider hostProvider = (HostProvider) ReflectionUtils.getField(hostProviderField, cnxn);
-                    List<InetSocketAddress> serverAddrs = (List<InetSocketAddress>) ReflectionUtils.getField(serverAddressesField, hostProvider);
+                    List<InetSocketAddress> serverAddrs = (List<InetSocketAddress>) ReflectionUtils.getField(serverAddressesField,
+                        hostProvider);
                     // 添加第二组集群列表
                     serverAddrs.addAll(new ConnectStringParser(cluster).getServerAddresses());
                 }
@@ -116,4 +119,3 @@ public class ZooKeeperx extends ZkConnection {
 
     }
 }
-

deployer/src/main/resources/logback.xml

@@ -74,7 +74,7 @@
         <appender-ref ref="CANAL-META" />
     </logger>
     
-	<root level="INFO">
+	<root level="WARN">
 		<!--<appender-ref ref="STDOUT"/>-->
 		<appender-ref ref="CANAL-ROOT" />
 	</root>

driver/pom.xml

@@ -33,10 +33,6 @@
 			<groupId>org.slf4j</groupId>
 			<artifactId>slf4j-api</artifactId>
 		</dependency>
-		<dependency>
-			<groupId>org.jboss.netty</groupId>
-			<artifactId>netty</artifactId>
-		</dependency>
 		<!-- test dependency -->
 		<dependency>
 			<groupId>junit</groupId>

driver/src/main/java/com/alibaba/otter/canal/parse/driver/mysql/MysqlConnector.java

@@ -2,9 +2,6 @@ package com.alibaba.otter.canal.parse.driver.mysql;
 
 import java.io.IOException;
 import java.net.InetSocketAddress;
-import com.alibaba.otter.canal.parse.driver.mysql.socket.SocketChannel;
-import com.alibaba.otter.canal.parse.driver.mysql.socket.SocketChannelPool;
-
 import java.util.concurrent.atomic.AtomicBoolean;
 
 import org.apache.commons.lang.exception.ExceptionUtils;
@@ -17,6 +14,8 @@ import com.alibaba.otter.canal.parse.driver.mysql.packets.client.QuitCommandPack
 import com.alibaba.otter.canal.parse.driver.mysql.packets.server.ErrorPacket;
 import com.alibaba.otter.canal.parse.driver.mysql.packets.server.HandshakeInitializationPacket;
 import com.alibaba.otter.canal.parse.driver.mysql.packets.server.Reply323Packet;
+import com.alibaba.otter.canal.parse.driver.mysql.socket.SocketChannel;
+import com.alibaba.otter.canal.parse.driver.mysql.socket.SocketChannelPool;
 import com.alibaba.otter.canal.parse.driver.mysql.utils.MySQLPasswordEncrypter;
 import com.alibaba.otter.canal.parse.driver.mysql.utils.PacketManager;
 
@@ -65,10 +64,8 @@ public class MysqlConnector {
     public void connect() throws IOException {
         if (connected.compareAndSet(false, true)) {
             try {
-                channel = SocketChannel.open();
+                channel = SocketChannelPool.open(address);
-                configChannel(channel);
                 logger.info("connect MysqlConnection to {}...", address);
-                channel.connect(address);
                 negotiate(channel);
             } catch (Exception e) {
                 disconnect();

driver/src/main/java/com/alibaba/otter/canal/parse/driver/mysql/MysqlQueryExecutor.java

@@ -1,7 +1,6 @@
 package com.alibaba.otter.canal.parse.driver.mysql;
 
 import java.io.IOException;
-import com.alibaba.otter.canal.parse.driver.mysql.socket.SocketChannel;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -12,6 +11,7 @@ import com.alibaba.otter.canal.parse.driver.mysql.packets.server.FieldPacket;
 import com.alibaba.otter.canal.parse.driver.mysql.packets.server.ResultSetHeaderPacket;
 import com.alibaba.otter.canal.parse.driver.mysql.packets.server.ResultSetPacket;
 import com.alibaba.otter.canal.parse.driver.mysql.packets.server.RowDataPacket;
+import com.alibaba.otter.canal.parse.driver.mysql.socket.SocketChannel;
 import com.alibaba.otter.canal.parse.driver.mysql.utils.PacketManager;
 
 /**
@@ -88,7 +88,7 @@ public class MysqlQueryExecutor {
         for (RowDataPacket r : rowData) {
             resultSet.getFieldValues().addAll(r.getColumns());
         }
-        resultSet.setSourceAddress(channel.socket().getRemoteSocketAddress());
+        resultSet.setSourceAddress(channel.getRemoteSocketAddress());
 
         return resultSet;
     }

driver/src/main/java/com/alibaba/otter/canal/parse/driver/mysql/socket/SocketChannel.java

@@ -14,6 +14,7 @@ import java.net.SocketAddress;
  * @author luoyaogui
  */
 public class SocketChannel {
+
     private Channel channel = null;
     private Object  lock    = new Object();
     private ByteBuf cache   = PooledByteBufAllocator.DEFAULT.directBuffer(1024 * 1024); // 缓存大小
@@ -21,6 +22,7 @@ public class SocketChannel {
     public Channel getChannel() {
         return channel;
     }
+
     public void setChannel(Channel channel) {
         this.channel = channel;
     }
@@ -31,19 +33,24 @@ public class SocketChannel {
             cache.writeBytes(buf);
         }
     }
+
     public void writeChannel(byte[]... buf) throws IOException {
-		if(channel != null && channel.isWritable())
+        if (channel != null && channel.isWritable()) channel.writeAndFlush(Unpooled.copiedBuffer(buf));
-			channel.writeAndFlush(Unpooled.copiedBuffer(buf));
+        else throw new IOException("write  failed  !  please checking !");
-		else
-			throw new IOException("write  failed  !  please checking !");
     }
+
     public byte[] read(int readSize) throws IOException {
         do {
             if (readSize > cache.readableBytes()) {
-				if(null == channel)
+                if (null == channel) {
                     throw new IOException("socket has Interrupted !");
+                }
                 synchronized (this) {
-					try { wait(100); } catch (InterruptedException e) {}
+                    try {
+                        wait(100);
+                    } catch (InterruptedException e) {
+                        throw new IOException("socket has Interrupted !");
+                    }
                 }
             } else {
                 byte[] back = new byte[readSize];
@@ -54,12 +61,15 @@ public class SocketChannel {
             }
         } while (true);
     }
+
     public boolean isConnected() {
         return channel != null ? true : false;
     }
+
     public SocketAddress getRemoteSocketAddress() {
         return channel != null ? channel.remoteAddress() : null;
     }
+
     public void close() {
         if (channel != null) {
             channel.close();

driver/src/main/java/com/alibaba/otter/canal/parse/driver/mysql/utils/PacketManager.java

@@ -1,7 +1,9 @@
 package com.alibaba.otter.canal.parse.driver.mysql.utils;
 
 import java.io.IOException;
+
 import com.alibaba.otter.canal.parse.driver.mysql.packets.HeaderPacket;
+import com.alibaba.otter.canal.parse.driver.mysql.socket.SocketChannel;
 
 public abstract class PacketManager {
 

example/src/main/java/com/alibaba/otter/canal/example/ClusterCanalClientTest.java

@@ -28,7 +28,7 @@ public class ClusterCanalClientTest extends AbstractCanalClientTest {
         // "stability_test", "", "");
 
         // 基于zookeeper动态获取canal server的地址，建立链接，其中一台server发生crash，可以支持failover
-        CanalConnector connector = CanalConnectors.newClusterConnector("127.0.0.1:2181", destination, "", "");
+        CanalConnector connector = CanalConnectors.newClusterConnector("10.218.140.189:2181", destination, "", "");
 
         final ClusterCanalClientTest clientTest = new ClusterCanalClientTest(destination);
         clientTest.setConnector(connector);

example/src/main/java/com/alibaba/otter/canal/example/SimpleCanalClientTest.java

@@ -23,8 +23,11 @@ public class SimpleCanalClientTest extends AbstractCanalClientTest {
     public static void main(String args[]) {
         // 根据ip，直接创建链接，无HA的功能
         String destination = "example";
-        CanalConnector connector = CanalConnectors.newSingleConnector(new InetSocketAddress(AddressUtils.getHostIp(),
+        String ip = AddressUtils.getHostIp();
-            11111), destination, "", "");
+        CanalConnector connector = CanalConnectors.newSingleConnector(new InetSocketAddress(ip, 11111),
+            destination,
+            "",
+            "");
 
         final SimpleCanalClientTest clientTest = new SimpleCanalClientTest(destination);
         clientTest.setConnector(connector);

parse/src/main/java/com/alibaba/otter/canal/parse/inbound/mysql/MysqlConnection.java

@@ -5,6 +5,7 @@ import java.net.InetSocketAddress;
 import java.nio.charset.Charset;
 import java.util.List;
 
+import org.apache.commons.lang.StringUtils;
 import org.apache.commons.lang.exception.ExceptionUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -38,7 +39,6 @@ public class MysqlConnection implements ErosaConnection {
     }
 
     public MysqlConnection(InetSocketAddress address, String username, String password){
-
         connector = new MysqlConnector(address, username, password);
     }
 

parse/src/test/java/com/alibaba/otter/canal/parse/DirectLogFetcherTest.java

@@ -2,7 +2,6 @@ package com.alibaba.otter.canal.parse;
 
 import java.io.IOException;
 import java.net.InetSocketAddress;
-import java.nio.ByteBuffer;
 
 import org.junit.Assert;
 import org.junit.Test;

pom.xml

@@ -194,11 +194,6 @@
                 <artifactId>oro</artifactId>
                 <version>2.0.8</version>
             </dependency>
-            <dependency>
-                <groupId>org.jboss.netty</groupId>
-                <artifactId>netty</artifactId>
-                <version>3.2.5.Final</version>
-            </dependency>
             <dependency>
                 <groupId>io.netty</groupId>
                 <artifactId>netty-all</artifactId>