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Zookeeper笔记（安装）

 
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3台服务器集群。

一：分别在这3台服务器上安装jdk，我采取的是jdk1.8。

二：主机名称到IP地址映射配置

三：修改ZooKeeper配置文件

下载zookeeper-3.4.6.tar.gz，解压到/opt 目录。

创建 ZooKeeper 配置文件 zookeeper-3.4.6/conf/zoo.cfg，vi conf/zoo.cfg。添加以下内容

tickTime=2000
initLimit=10
syncLimit=5
dataDir=/data/zookeeper/data
dataLogDir=/data/zookeeper/logs
clientPort=2181
server.1=host61:2888:3888
server.2=host1:2888:3888
server.3=host2:2888:3888
ZooKeeper 的数据目录指定在 /data/zookeeper/data ，你也可以使用其他目录，通过下面命令进行创建该目录：

$ mkdir /data/zookeeper/data -p


然后，初始化 myid ，三个节点编号依次为 1，2，3 ，在其余节点上分别执行命令（注意修改编号）。
$ echo "1" >/data/zookeeper/data/myid
然后，在第二个和第三个节点上依次重复上面的操作。这样第一个节点中 myid 内容为1，第二个节点为2，第三个节点为3。

最后，启动 ZooKeeper 集群，在每个节点上分别启动 ZooKeeper 服务：

$ cd /opt
$ sh zookeeper-3.4.5/bin/zkServer.sh start
可以查看 ZooKeeper 集群的状态，保证集群启动没有问题：
[root@192.168.56.121 opt]# sh zookeeper-3.4.5/bin/zkServer.sh status
JMX enabled by default
Using config: /opt/zookeeper-3.4.5/bin/../conf/zoo.cfg
Mode: follower

查看Zookeeper.out 。出现以下java.net.ConnectException: 拒绝连接。。这不用管，我启动的顺序是slave-01>slave-02>slave-03，由于ZooKeeper集群启动的时候，每个结点都试图去连接集群中的其它结点，先启动的肯定连不上后面还没启动的，所以上面日志前面部分的异常是可以忽略的。通过后面部分可以看到，集群在选出一个Leader后，最后稳定了。

2015-04-15 18:30:15,704 [myid:] - INFO  [main:QuorumPeerConfig@103] - Reading configuration from: /opt/zookeeper-3.4.6/bin/../conf/zoo.cfg
2015-04-15 18:30:15,708 [myid:] - INFO  [main:QuorumPeerConfig@340] - Defaulting to majority quorums
2015-04-15 18:30:15,712 [myid:1] - INFO  [main:DatadirCleanupManager@78] - autopurge.snapRetainCount set to 3
2015-04-15 18:30:15,712 [myid:1] - INFO  [main:DatadirCleanupManager@79] - autopurge.purgeInterval set to 0
2015-04-15 18:30:15,713 [myid:1] - INFO  [main:DatadirCleanupManager@101] - Purge task is not scheduled.
2015-04-15 18:30:15,721 [myid:1] - INFO  [main:QuorumPeerMain@127] - Starting quorum peer
2015-04-15 18:30:15,731 [myid:1] - INFO  [main:NIOServerCnxnFactory@94] - binding to port 0.0.0.0/0.0.0.0:2181
2015-04-15 18:30:15,749 [myid:1] - INFO  [main:QuorumPeer@959] - tickTime set to 2000
2015-04-15 18:30:15,750 [myid:1] - INFO  [main:QuorumPeer@979] - minSessionTimeout set to -1
2015-04-15 18:30:15,750 [myid:1] - INFO  [main:QuorumPeer@990] - maxSessionTimeout set to -1
2015-04-15 18:30:15,750 [myid:1] - INFO  [main:QuorumPeer@1005] - initLimit set to 10
2015-04-15 18:30:15,759 [myid:1] - INFO  [main:FileSnap@83] - Reading snapshot /data/zookeeper/data/version-2/snapshot.0
2015-04-15 18:30:15,770 [myid:1] - INFO  [Thread-1:QuorumCnxManager$Listener@504] - My election bind port: host61/172.16.24.61:3888
2015-04-15 18:30:15,779 [myid:1] - INFO  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:QuorumPeer@714] - LOOKING
2015-04-15 18:30:15,781 [myid:1] - INFO  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:FastLeaderElection@815] - New election. My id =  1, proposed zxid=0x100000001
2015-04-15 18:30:15,784 [myid:1] - INFO  [WorkerReceiver[myid=1]:FastLeaderElection@597] - Notification: 1 (message format version), 1 (n.leader), 0x100000001 (n.zxid), 0x1 (n.round), LOOKING (n.state), 1 (n.sid), 0x1 (n.peerEpoch) LOOKING (my state)
2015-04-15 18:30:15,788 [myid:1] - WARN  [WorkerSender[myid=1]:QuorumCnxManager@382] - Cannot open channel to 2 at election address host1/172.16.24.6:3888
java.net.ConnectException: 拒绝连接
	at java.net.PlainSocketImpl.socketConnect(Native Method)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:345)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:368)
	at org.apache.zookeeper.server.quorum.QuorumCnxManager.toSend(QuorumCnxManager.java:341)
	at org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.process(FastLeaderElection.java:449)
	at org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.run(FastLeaderElection.java:430)
	at java.lang.Thread.run(Thread.java:745)
2015-04-15 18:30:15,792 [myid:1] - WARN  [WorkerSender[myid=1]:QuorumCnxManager@382] - Cannot open channel to 3 at election address host2/172.16.24.7:3888
java.net.ConnectException: 拒绝连接
	at java.net.PlainSocketImpl.socketConnect(Native Method)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:345)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:368)
	at org.apache.zookeeper.server.quorum.QuorumCnxManager.toSend(QuorumCnxManager.java:341)
	at org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.process(FastLeaderElection.java:449)
	at org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.run(FastLeaderElection.java:430)
	at java.lang.Thread.run(Thread.java:745)
2015-04-15 18:30:15,990 [myid:1] - WARN  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:QuorumCnxManager@382] - Cannot open channel to 2 at election address host1/172.16.24.6:3888
java.net.ConnectException: 拒绝连接
	at java.net.PlainSocketImpl.socketConnect(Native Method)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:345)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:368)
	at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectAll(QuorumCnxManager.java:402)
	at org.apache.zookeeper.server.quorum.FastLeaderElection.lookForLeader(FastLeaderElection.java:840)
	at org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:762)
2015-04-15 18:30:15,992 [myid:1] - WARN  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:QuorumCnxManager@382] - Cannot open channel to 3 at election address host2/172.16.24.7:3888
java.net.ConnectException: 拒绝连接
	at java.net.PlainSocketImpl.socketConnect(Native Method)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:345)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:368)
	at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectAll(QuorumCnxManager.java:402)
	at org.apache.zookeeper.server.quorum.FastLeaderElection.lookForLeader(FastLeaderElection.java:840)
	at org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:762)
2015-04-15 18:30:15,992 [myid:1] - INFO  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:FastLeaderElection@849] - Notification time out: 400
2015-04-15 18:30:16,394 [myid:1] - WARN  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:QuorumCnxManager@382] - Cannot open channel to 2 at election address host1/172.16.24.6:3888
java.net.ConnectException: 拒绝连接
	at java.net.PlainSocketImpl.socketConnect(Native Method)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:345)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:368)
	at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectAll(QuorumCnxManager.java:402)
	at org.apache.zookeeper.server.quorum.FastLeaderElection.lookForLeader(FastLeaderElection.java:840)
	at org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:762)
2015-04-15 18:30:16,395 [myid:1] - WARN  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:QuorumCnxManager@382] - Cannot open channel to 3 at election address host2/172.16.24.7:3888
java.net.ConnectException: 拒绝连接
	at java.net.PlainSocketImpl.socketConnect(Native Method)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:345)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:368)
	at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectAll(QuorumCnxManager.java:402)
	at org.apache.zookeeper.server.quorum.FastLeaderElection.lookForLeader(FastLeaderElection.java:840)
	at org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:762)
2015-04-15 18:30:16,396 [myid:1] - INFO  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:FastLeaderElection@849] - Notification time out: 800
2015-04-15 18:30:16,887 [myid:1] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@197] - Accepted socket connection from /172.16.24.42:57456
2015-04-15 18:30:16,927 [myid:1] - WARN  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@362] - Exception causing close of session 0x0 due to java.io.IOException: ZooKeeperServer not running
2015-04-15 18:30:16,927 [myid:1] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1007] - Closed socket connection for client /172.16.24.42:57456 (no session established for client)
2015-04-15 18:30:17,198 [myid:1] - WARN  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:QuorumCnxManager@382] - Cannot open channel to 2 at election address host1/172.16.24.6:3888
java.net.ConnectException: 拒绝连接
	at java.net.PlainSocketImpl.socketConnect(Native Method)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:345)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:368)
	at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectAll(QuorumCnxManager.java:402)
	at org.apache.zookeeper.server.quorum.FastLeaderElection.lookForLeader(FastLeaderElection.java:840)
	at org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:762)
2015-04-15 18:30:17,199 [myid:1] - WARN  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:QuorumCnxManager@382] - Cannot open channel to 3 at election address host2/172.16.24.7:3888
java.net.ConnectException: 拒绝连接
	at java.net.PlainSocketImpl.socketConnect(Native Method)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:345)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:368)
	at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectAll(QuorumCnxManager.java:402)
	at org.apache.zookeeper.server.quorum.FastLeaderElection.lookForLeader(FastLeaderElection.java:840)
	at org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:762)
2015-04-15 18:30:17,199 [myid:1] - INFO  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:FastLeaderElection@849] - Notification time out: 1600
2015-04-15 18:30:18,801 [myid:1] - WARN  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:QuorumCnxManager@382] - Cannot open channel to 2 at election address host1/172.16.24.6:3888
java.net.ConnectException: 拒绝连接
	at java.net.PlainSocketImpl.socketConnect(Native Method)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:345)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:368)
	at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectAll(QuorumCnxManager.java:402)
	at org.apache.zookeeper.server.quorum.FastLeaderElection.lookForLeader(FastLeaderElection.java:840)
	at org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:762)
2015-04-15 18:30:18,802 [myid:1] - WARN  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:QuorumCnxManager@382] - Cannot open channel to 3 at election address host2/172.16.24.7:3888
java.net.ConnectException: 拒绝连接
	at java.net.PlainSocketImpl.socketConnect(Native Method)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:345)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:368)
	at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectAll(QuorumCnxManager.java:402)
	at org.apache.zookeeper.server.quorum.FastLeaderElection.lookForLeader(FastLeaderElection.java:840)
	at org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:762)
2015-04-15 18:30:18,802 [myid:1] - INFO  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:FastLeaderElection@849] - Notification time out: 3200
2015-04-15 18:30:18,837 [myid:1] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@197] - Accepted socket connection from /172.16.24.42:57457
2015-04-15 18:30:18,837 [myid:1] - WARN  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@362] - Exception causing close of session 0x0 due to java.io.IOException: ZooKeeperServer not running
2015-04-15 18:30:18,837 [myid:1] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1007] - Closed socket connection for client /172.16.24.42:57457 (no session established for client)
2015-04-15 18:30:20,277 [myid:1] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@197] - Accepted socket connection from /172.16.24.42:57458
2015-04-15 18:30:20,277 [myid:1] - WARN  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@362] - Exception causing close of session 0x0 due to java.io.IOException: ZooKeeperServer not running
2015-04-15 18:30:20,277 [myid:1] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1007] - Closed socket connection for client /172.16.24.42:57458 (no session established for client)
2015-04-15 18:30:20,527 [myid:1] - INFO  [host61/172.16.24.61:3888:QuorumCnxManager$Listener@511] - Received connection request /172.16.24.6:34657
2015-04-15 18:30:20,532 [myid:1] - INFO  [WorkerReceiver[myid=1]:FastLeaderElection@597] - Notification: 1 (message format version), 2 (n.leader), 0x100000002 (n.zxid), 0x1 (n.round), LOOKING (n.state), 2 (n.sid), 0x1 (n.peerEpoch) LOOKING (my state)
2015-04-15 18:30:20,533 [myid:1] - INFO  [WorkerReceiver[myid=1]:FastLeaderElection@597] - Notification: 1 (message format version), 2 (n.leader), 0x100000002 (n.zxid), 0x1 (n.round), LOOKING (n.state), 1 (n.sid), 0x1 (n.peerEpoch) LOOKING (my state)
2015-04-15 18:30:20,534 [myid:1] - WARN  [WorkerSender[myid=1]:QuorumCnxManager@382] - Cannot open channel to 3 at election address host2/172.16.24.7:3888
java.net.ConnectException: 拒绝连接
	at java.net.PlainSocketImpl.socketConnect(Native Method)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:345)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:368)
	at org.apache.zookeeper.server.quorum.QuorumCnxManager.toSend(QuorumCnxManager.java:341)
	at org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.process(FastLeaderElection.java:449)
	at org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.run(FastLeaderElection.java:430)
	at java.lang.Thread.run(Thread.java:745)
2015-04-15 18:30:20,734 [myid:1] - INFO  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:QuorumPeer@784] - FOLLOWING
2015-04-15 18:30:20,737 [myid:1] - INFO  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:Learner@86] - TCP NoDelay set to: true
2015-04-15 18:30:20,745 [myid:1] - INFO  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:Environment@100] - Server environment:zookeeper.version=3.4.6-1569965, built on 02/20/2014 09:09 GMT
2015-04-15 18:30:20,745 [myid:1] - INFO  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:Environment@100] - Server environment:host.name=host61
2015-04-15 18:30:20,746 [myid:1] - INFO  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:Environment@100] - Server environment:java.version=1.8.0_25
2015-04-15 18:30:20,746 [myid:1] - INFO  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:Environment@100] - Server environment:java.vendor=Oracle Corporation
2015-04-15 18:30:20,746 [myid:1] - INFO  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:Environment@100] - Server environment:java.home=/usr/jdk/jdk1.8.0_25/jre
2015-04-15 18:30:20,746 [myid:1] - INFO  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:Environment@100] - Server environment:java.class.path=/opt/zookeeper-3.4.6/bin/../build/classes:/opt/zookeeper-3.4.6/bin/../build/lib/*.jar:/opt/zookeeper-3.4.6/bin/../lib/slf4j-log4j12-1.6.1.jar:/opt/zookeeper-3.4.6/bin/../lib/slf4j-api-1.6.1.jar:/opt/zookeeper-3.4.6/bin/../lib/netty-3.7.0.Final.jar:/opt/zookeeper-3.4.6/bin/../lib/log4j-1.2.16.jar:/opt/zookeeper-3.4.6/bin/../lib/jline-0.9.94.jar:/opt/zookeeper-3.4.6/bin/../zookeeper-3.4.6.jar:/opt/zookeeper-3.4.6/bin/../src/java/lib/*.jar:/opt/zookeeper-3.4.6/bin/../conf:.:/usr/jdk/jdk1.8.0_25/lib/dt.jar:/usr/jdk/jdk1.8.0_25/lib/tools.jar
2015-04-15 18:30:20,746 [myid:1] - INFO  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:Environment@100] - Server environment:java.library.path=/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib
2015-04-15 18:30:20,746 [myid:1] - INFO  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:Environment@100] - Server environment:java.io.tmpdir=/tmp
2015-04-15 18:30:20,746 [myid:1] - INFO  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:Environment@100] - Server environment:java.compiler=<NA>
2015-04-15 18:30:20,746 [myid:1] - INFO  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:Environment@100] - Server environment:os.name=Linux
2015-04-15 18:30:20,746 [myid:1] - INFO  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:Environment@100] - Server environment:os.arch=amd64
2015-04-15 18:30:20,746 [myid:1] - INFO  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:Environment@100] - Server environment:os.version=2.6.32-431.el6.x86_64
2015-04-15 18:30:20,746 [myid:1] - INFO  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:Environment@100] - Server environment:user.name=root
2015-04-15 18:30:20,746 [myid:1] - INFO  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:Environment@100] - Server environment:user.home=/root
2015-04-15 18:30:20,746 [myid:1] - INFO  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:Environment@100] - Server environment:user.dir=/opt/zookeeper-3.4.6
2015-04-15 18:30:20,747 [myid:1] - INFO  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:ZooKeeperServer@162] - Created server with tickTime 2000 minSessionTimeout 4000 maxSessionTimeout 40000 datadir /data/zookeeper/logs/version-2 snapdir /data/zookeeper/data/version-2
2015-04-15 18:30:20,748 [myid:1] - INFO  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:Follower@63] - FOLLOWING - LEADER ELECTION TOOK - 4967
2015-04-15 18:30:20,750 [myid:1] - WARN  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:Learner@233] - Unexpected exception, tries=0, connecting to host1/172.16.24.6:2888
java.net.ConnectException: 拒绝连接
	at java.net.PlainSocketImpl.socketConnect(Native Method)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:345)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at org.apache.zookeeper.server.quorum.Learner.connectToLeader(Learner.java:225)
	at org.apache.zookeeper.server.quorum.Follower.followLeader(Follower.java:71)
	at org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:786)
2015-04-15 18:30:21,571 [myid:1] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@197] - Accepted socket connection from /172.16.24.42:57460
2015-04-15 18:30:21,572 [myid:1] - WARN  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@362] - Exception causing close of session 0x0 due to java.io.IOException: ZooKeeperServer not running
2015-04-15 18:30:21,572 [myid:1] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1007] - Closed socket connection for client /172.16.24.42:57460 (no session established for client)
2015-04-15 18:30:21,909 [myid:1] - INFO  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:Learner@323] - Getting a diff from the leader 0x100000002
2015-04-15 18:30:21,913 [myid:1] - WARN  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:Learner@374] - Got zxid 0x100000002 expected 0x1
2015-04-15 18:30:21,916 [myid:1] - INFO  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:FileTxnSnapLog@240] - Snapshotting: 0x100000002 to /data/zookeeper/data/version-2/snapshot.100000002
2015-04-15 18:30:23,311 [myid:1] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@197] - Accepted socket connection from /172.16.24.42:57461
2015-04-15 18:30:23,313 [myid:1] - WARN  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:ZooKeeperServer@822] - Connection request from old client /172.16.24.42:57461; will be dropped if server is in r-o mode
2015-04-15 18:30:23,315 [myid:1] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:ZooKeeperServer@861] - Client attempting to renew session 0x14cbc9fddc70000 at /172.16.24.42:57461
2015-04-15 18:30:23,322 [myid:1] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:Learner@108] - Revalidating client: 0x14cbc9fddc70000
2015-04-15 18:30:23,326 [myid:1] - INFO  [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:ZooKeeperServer@610] - Invalid session 0x14cbc9fddc70000 for client /172.16.24.42:57461, probably expired
2015-04-15 18:30:23,327 [myid:1] - INFO  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@1007] - Closed socket connection for client /172.16.24.42:57461 which had sessionid 0x14cbc9fddc70000
2015-04-15 18:30:28,347 [myid:1] - INFO  [host61/172.16.24.61:3888:QuorumCnxManager$Listener@511] - Received connection request /172.16.24.7:34960
2015-04-15 18:30:28,352 [myid:1] - INFO  [WorkerReceiver[myid=1]:FastLeaderElection@597] - Notification: 1 (message format version), 3 (n.leader), 0x100000002 (n.zxid), 0x1 (n.round), LOOKING (n.state), 3 (n.sid), 0x1 (n.peerEpoch) FOLLOWING (my state)

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