Hi Le, Is there some chance of the these servers not being able to talk to each other? IS the zookeeper prcoess running on debian-1? What error do you see on debian-1?
The connection refused error suggests that debian-0 is not able to talk to debian-1 machine. Thanks mahadev On 9/23/09 2:41 AM, "Le Zhou" <lezhouy...@gmail.com> wrote: > Hi, > I'm trying to install HBase 0.20.0 in fully distributed mode on my cluster. > As HBase depends on Zookeeper, I have to know first how to make Zookeeper > work. > I download the release 3.2.1 and install it on each machine in my cluster. > > Zookeeper in standalone mode works well on each machine in my cluster. I > follow the "Zookeeper Getting Started Guide" and get expected output. Then I > come to the "Running replicated zookeeper" > > On each machine in my cluster(debian-0, debian-1, debian-5), I append the > following lines to zoo.cfg, and create in dataDir a "myid" which contains > the server id(1 for debian-0, 2 for debian-1, 3 for debian-5). > > server.1=debian-0:2888:3888 > server.2=debian-1:2888:3888 > server.3=debian-5:2888:3888 > > then I start zookeeper server by "running bin/zkServer.sh start", and I got > the following output: > > cl...@debian-0:~/zookeeper$ bin/zkServer.sh start > JMX enabled by default > Using config: /home/cloud/zookeeper-3.2.1/bin/../conf/zoo.cfg > Starting zookeeper ... > STARTED > cl...@debian-0:~/zookeeper$ 2009-09-23 15:30:27,976 - INFO > [main:quorumpeercon...@80] - Reading configuration from: > /home/cloud/zookeeper-3.2.1/bin/../conf/zoo.cfg > 2009-09-23 15:30:27,981 - INFO [main:quorumpeercon...@232] - Defaulting to > majority quorums > 2009-09-23 15:30:28,009 - INFO [main:quorumpeerm...@118] - Starting quorum > peer > 2009-09-23 15:30:28,034 - INFO [Thread-1:quorumcnxmanager$liste...@409] - > My election bind port: 3888 > 2009-09-23 15:30:28,045 - INFO > [QuorumPeer:/0:0:0:0:0:0:0:0:2181:quorump...@487] - LOOKING > 2009-09-23 15:30:28,070 - INFO > [QuorumPeer:/0:0:0:0:0:0:0:0:2181:fastleaderelect...@579] - New election: > -1 > 2009-09-23 15:30:28,075 - INFO > [QuorumPeer:/0:0:0:0:0:0:0:0:2181:fastleaderelect...@618] - Notification: > 1, -1, 1, 1, LOOKING, LOOKING, 1 > 2009-09-23 15:30:28,075 - WARN [WorkerSender Thread:quorumcnxmana...@336] - > Cannot open channel to 2 at election address debian-1/172.20.53.86:3888 > java.net.ConnectException: Connection refused > at sun.nio.ch.Net.connect(Native Method) > at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:507) > at java.nio.channels.SocketChannel.open(SocketChannel.java:146) > at > org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManage > r.java:323) > at > org.apache.zookeeper.server.quorum.QuorumCnxManager.toSend(QuorumCnxManager.ja > va:302) > at > org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.p > rocess(FastLeaderElection.java:323) > at > org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.r > un(FastLeaderElection.java:296) > at java.lang.Thread.run(Thread.java:619) > 2009-09-23 15:30:28,085 - INFO > [QuorumPeer:/0:0:0:0:0:0:0:0:2181:fastleaderelect...@642] - Adding vote > 2009-09-23 15:30:28,099 - WARN [WorkerSender Thread:quorumcnxmana...@336] - > Cannot open channel to 3 at election address debian-5/172.20.14.194:3888 > java.net.ConnectException: Connection refused > at sun.nio.ch.Net.connect(Native Method) > at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:507) > at java.nio.channels.SocketChannel.open(SocketChannel.java:146) > at > org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManage > r.java:323) > at > org.apache.zookeeper.server.quorum.QuorumCnxManager.toSend(QuorumCnxManager.ja > va:302) > at > org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.p > rocess(FastLeaderElection.java:323) > at > org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.r > un(FastLeaderElection.java:296) > at java.lang.Thread.run(Thread.java:619) > 2009-09-23 15:30:28,288 - WARN > [QuorumPeer:/0:0:0:0:0:0:0:0:2181:quorumcnxmana...@336] - Cannot open > channel to 2 at election address debian-1/172.20.53.86:3888 > java.net.ConnectException: Connection refused > at sun.nio.ch.Net.connect(Native Method) > at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:507) > at java.nio.channels.SocketChannel.open(SocketChannel.java:146) > at > org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManage > r.java:323) > at > org.apache.zookeeper.server.quorum.QuorumCnxManager.connectAll(QuorumCnxManage > r.java:356) > at > org.apache.zookeeper.server.quorum.FastLeaderElection.lookForLeader(FastLeader > Election.java:603) > at org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:488) > > Terminal keeps on outputing the WARN info until I stop the zookeeper Server. > > I googled "zookeeper cannot open channel to at address" and searched in > mailing list archives, but got nothing helpful. > > I need your help, thanks and best regards!
