You are viewing a plain text version of this content. The canonical link for it is here.
Posted to user@zookeeper.apache.org by kun yan <ya...@gmail.com> on 2013/09/18 09:19:09 UTC
Cannot open channel to 2 at election address hydra0
Hi all
i my cluster have three zookeeper ,today I import data from hdfs to hbase i
found error as follow :
but usually i can successfully,today not work well ,can anyone help me ?
thanks in advance
2013-09-18 13:55:27,011 [myid:1] - INFO
[QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:FastLeaderElection@774] -
Notification time out: 1600
2013-09-18 13:55:28,612 [myid:1] - WARN
[QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:QuorumCnxManager@368] - Cannot
open channel to 2 at election address hydra0
003/192.5.1.52:3888
java.net.ConnectException: Connection refused
at java.net.PlainSocketImpl.socketConnect(Native Method)
at
java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
at
java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
at
java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:391)
at java.net.Socket.connect(Socket.java:579)
at
org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:354)
at
org.apache.zookeeper.server.quorum.QuorumCnxManager.connectAll(QuorumCnxManager.java:388)
at
org.apache.zookeeper.server.quorum.FastLeaderElection.lookForLeader(FastLeaderElection.java:765)
at
org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:716)
2013-09-18 13:55:28,613 [myid:1] - WARN
[QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:QuorumCnxManager@368] - Cannot
open channel to 3 at election address hydra0
005/192.5.1.55:3888
java.net.ConnectException: Connection refused
at java.net.PlainSocketImpl.socketConnect(Native Method)
at
java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
at
java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
at
java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:391)
at java.net.Socket.connect(Socket.java:579)
at
org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:354)
at
org.apache.zookeeper.server.quorum.QuorumCnxManager.connectAll(QuorumCnxManager.java:388)
at
org.apache.zookeeper.server.quorum.FastLeaderElection.lookForLeader(FastLeaderElection.java:765)
at
org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:716)
2013-09-18 13:55:28,615 [myid:1] - INFO
[QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:FastLeaderElection@774] -
Notification time out: 3200
2013-09-18 13:55:28,857 [myid:1] - INFO [hydra0001/192.5.1.50:3888
:QuorumCnxManager$Listener@493] - Received connection request /
192.5.1.52:58990
2013-09-18 13:55:28,860 [myid:1] - INFO
[WorkerReceiver[myid=1]:FastLeaderElection@542] - Notification: 2
(n.leader), 0x0 (n.zxid), 0x1 (n.round), LOOKING (
n.state), 2 (n.sid), 0x0 (n.peerEPoch), LOOKING (my state)
2013-09-18 13:55:28,861 [myid:1] - INFO
[WorkerReceiver[myid=1]:FastLeaderElection@542] - Notification: 2
(n.leader), 0x0 (n.zxid), 0x1 (n.round), LOOKING (
n.state), 1 (n.sid), 0x0 (n.peerEPoch), LOOKING (my state)
2013-09-18 13:55:28,861 [myid:1] - WARN
[WorkerSender[myid=1]:QuorumCnxManager@368] - Cannot open channel to 3 at
election address hydra0005/192.5.1.55:3888
java.net.ConnectException: Connection refused
at java.net.PlainSocketImpl.socketConnect(Native Method)
at
java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
at
java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
at
java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:391)
at java.net.Socket.connect(Socket.java:579)
at
org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:354)
at
org.apache.zookeeper.server.quorum.QuorumCnxManager.toSend(QuorumCnxManager.java:327)
at
org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.process(FastLeaderElection.java:393)
at
org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$WorkerSender.run(FastLeaderElection.java:365)
at java.lang.Thread.run(Thread.java:722)
--
In the Hadoop world, I am just a novice, explore the entire Hadoop
ecosystem, I hope one day I can contribute their own code
YanBit
yankunhadoop@gmail.com
RE: Cannot open channel to 2 at election address hydra0
Posted by FPJ <fp...@yahoo.com>.
Hi Kun,
These messages show up if a server can't talk to another during leader
election, but if there are enough servers up and able to talk to each other,
then you should be able to make progress. Note that the messages you're
seeing are just warnings.
-Flavio
> -----Original Message-----
> From: kun yan [mailto:yankunhadoop@gmail.com]
> Sent: 18 September 2013 08:19
> To: user@zookeeper.apache.org
> Subject: Cannot open channel to 2 at election address hydra0
>
> Hi all
> i my cluster have three zookeeper ,today I import data from hdfs to hbase
i
> found error as follow :
> but usually i can successfully,today not work well ,can anyone help me ?
> thanks in advance
> 2013-09-18 13:55:27,011 [myid:1] - INFO
> [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:FastLeaderElection@774] -
> Notification time out: 1600
> 2013-09-18 13:55:28,612 [myid:1] - WARN
> [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:QuorumCnxManager@368] -
> Cannot open channel to 2 at election address hydra0
> 003/192.5.1.52:3888
> java.net.ConnectException: Connection refused
> at java.net.PlainSocketImpl.socketConnect(Native Method)
> at
> java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:3
> 39)
> at
> java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImp
> l.java:200)
> at
> java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
> at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:391)
> at java.net.Socket.connect(Socket.java:579)
> at
> org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(Qu
> orumCnxManager.java:354)
> at
> org.apache.zookeeper.server.quorum.QuorumCnxManager.connectAll(Quo
> rumCnxManager.java:388)
> at
> org.apache.zookeeper.server.quorum.FastLeaderElection.lookForLeader(Fas
> tLeaderElection.java:765)
> at
> org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:7
> 16)
> 2013-09-18 13:55:28,613 [myid:1] - WARN
> [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:QuorumCnxManager@368] -
> Cannot open channel to 3 at election address hydra0
> 005/192.5.1.55:3888
> java.net.ConnectException: Connection refused
> at java.net.PlainSocketImpl.socketConnect(Native Method)
> at
> java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:3
> 39)
> at
> java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImp
> l.java:200)
> at
> java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
> at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:391)
> at java.net.Socket.connect(Socket.java:579)
> at
> org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(Qu
> orumCnxManager.java:354)
> at
> org.apache.zookeeper.server.quorum.QuorumCnxManager.connectAll(Quo
> rumCnxManager.java:388)
> at
> org.apache.zookeeper.server.quorum.FastLeaderElection.lookForLeader(Fas
> tLeaderElection.java:765)
> at
> org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:7
> 16)
> 2013-09-18 13:55:28,615 [myid:1] - INFO
> [QuorumPeer[myid=1]/0:0:0:0:0:0:0:0:2181:FastLeaderElection@774] -
> Notification time out: 3200
> 2013-09-18 13:55:28,857 [myid:1] - INFO [hydra0001/192.5.1.50:3888
> :QuorumCnxManager$Listener@493] - Received connection request /
> 192.5.1.52:58990
> 2013-09-18 13:55:28,860 [myid:1] - INFO
> [WorkerReceiver[myid=1]:FastLeaderElection@542] - Notification: 2
> (n.leader), 0x0 (n.zxid), 0x1 (n.round), LOOKING ( n.state), 2 (n.sid),
0x0
> (n.peerEPoch), LOOKING (my state)
> 2013-09-18 13:55:28,861 [myid:1] - INFO
> [WorkerReceiver[myid=1]:FastLeaderElection@542] - Notification: 2
> (n.leader), 0x0 (n.zxid), 0x1 (n.round), LOOKING ( n.state), 1 (n.sid),
0x0
> (n.peerEPoch), LOOKING (my state)
> 2013-09-18 13:55:28,861 [myid:1] - WARN
> [WorkerSender[myid=1]:QuorumCnxManager@368] - Cannot open channel
> to 3 at election address hydra0005/192.5.1.55:3888
> java.net.ConnectException: Connection refused
> at java.net.PlainSocketImpl.socketConnect(Native Method)
> at
> java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:3
> 39)
> at
> java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImp
> l.java:200)
> at
> java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
> at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:391)
> at java.net.Socket.connect(Socket.java:579)
> at
> org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(Qu
> orumCnxManager.java:354)
> at
> org.apache.zookeeper.server.quorum.QuorumCnxManager.toSend(Quoru
> mCnxManager.java:327)
> at
> org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$Work
> erSender.process(FastLeaderElection.java:393)
> at
> org.apache.zookeeper.server.quorum.FastLeaderElection$Messenger$Work
> erSender.run(FastLeaderElection.java:365)
> at java.lang.Thread.run(Thread.java:722)
> --
>
> In the Hadoop world, I am just a novice, explore the entire Hadoop
> ecosystem, I hope one day I can contribute their own code
>
> YanBit
> yankunhadoop@gmail.com