Created 07-28-2016 09:25 AM
My resource manager was getting stopped automatically after some time when we started using ambari dashboard or command prompt.
2016-07-27 13:36:44,294 INFO zookeeper.ZooKeeper (ZooKeeper.java:<init>(438)) - Initiating client connection, connectString=node3.exp.himalaya.xyz.io:2181,node5.exp.himalaya.xyz.io:2181,node6.exp.himalaya.xyz.io:2181 sessionTimeout=10000 watcher=org.apache.hadoop.ha.ActiveStandbyElector$WatcherWithClientRef@77091c2f 2016-07-27 13:36:44,315 INFO zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(1019)) - Opening socket connection to server node5.exp.himalaya.xyz.io/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error) 2016-07-27 13:36:44,321 INFO zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(864)) - Socket connection established to node5.exp.himalaya.xyz.io/127.0.0.1:2181, initiating session 2016-07-27 13:36:47,657 INFO zookeeper.ClientCnxn (ClientCnxn.java:run(1140)) - Client session timed out, have not heard from server in 3335ms for sessionid 0x0, closing socket connection and attempting reconnect 2016-07-27 13:36:48,229 INFO zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(1019)) - Opening socket connection to server node3.exp.himalaya.xyz.io/127.0.0.249:2181. Will not attempt to authenticate using SASL (unknown error) 2016-07-27 13:36:48,230 INFO zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(864)) - Socket connection established to node3.exp.himalaya.xyz.io/127.0.0.249:2181, initiating session 2016-07-27 13:36:48,230 INFO zookeeper.ClientCnxn (ClientCnxn.java:run(1142)) - Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect 2016-07-27 13:36:48,379 INFO zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(1019)) - Opening socket connection to server node6.exp.himalaya.xyz.io/127.0.0.8:2181. Will not attempt to authenticate using SASL (unknown error) 2016-07-27 13:36:48,379 INFO zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(864)) - Socket connection established to node6.exp.himalaya.xyz.io/127.0.0.8:2181, initiating session 2016-07-27 13:36:48,381 WARN zookeeper.ClientCnxn (ClientCnxn.java:run(1146)) - Session 0x0 for server node6.exp.himalaya.xyz.io/127.0.0.8:2181, unexpected error, closing socket connection and attempting reconnect java.io.IOException: Connection reset by peer at sun.nio.ch.FileDispatcherImpl.read0(Native Method) at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39) at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223) at sun.nio.ch.IOUtil.read(IOUtil.java:192) at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:384) at org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:68) at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:366) at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1125) 2016-07-27 13:36:50,266 INFO zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(1019)) - Opening socket connection to server node5.exp.himalaya.xyz.io/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error) 2016-07-27 13:36:50,267 INFO zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(864)) - Socket connection established to node5.exp.himalaya.xyz.io/127.0.0.1:2181, initiating session 2016-07-27 13:36:53,604 INFO zookeeper.ClientCnxn (ClientCnxn.java:run(1140)) - Client session timed out, have not heard from server in 3337ms for sessionid 0x0, closing socket connection and attempting reconnect 2016-07-27 13:36:54,252 INFO zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(1019)) - Opening socket connection to server node3.exp.himalaya.xyz.io/127.0.0.249:2181. Will not attempt to authenticate using SASL (unknown error) 2016-07-27 13:36:54,252 INFO zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(864)) - Socket connection established to node3.exp.himalaya.xyz.io/127.0.0.249:2181, initiating session 2016-07-27 13:36:54,252 INFO zookeeper.ClientCnxn (ClientCnxn.java:run(1142)) - Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect 2016-07-27 13:36:54,311 ERROR ha.ActiveStandbyElector (ActiveStandbyElector.java:waitForZKConnectionEvent(1104)) - Connection timed out: couldn't connect to ZooKeeper in 10000 milliseconds 2016-07-27 13:36:54,355 INFO zookeeper.ZooKeeper (ZooKeeper.java:close(684)) - Session: 0x0 closed 2016-07-27 13:36:54,355 INFO zookeeper.ClientCnxn (ClientCnxn.java:run(524)) - EventThread shut down 2016-07-27 13:36:54,361 WARN ha.ActiveStandbyElector (ActiveStandbyElector.java:reEstablishSession(801)) - org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss 2016-07-27 13:36:59,362 INFO zookeeper.ZooKeeper (ZooKeeper.java:<init>(438)) - Initiating client connection, connectString=node3.exp.himalaya.xyz.io:2181,node5.exp.himalaya.xyz.io:2181,node6.exp.himalaya.xyz.io:2181 sessionTimeout=10000 watcher=org.apache.hadoop.ha.ActiveStandbyElector$WatcherWithClientRef@62e5f08b 2016-07-27 13:36:59,363 INFO zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(1019)) - Opening socket connection to server node6.exp.himalaya.xyz.io/127.0.0.8:2181. Will not attempt to authenticate using SASL (unknown error) 2016-07-27 13:36:59,364 INFO zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(864)) - Socket connection established to node6.exp.himalaya.xyz.io/127.0.0.8:2181, initiating session 2016-07-27 13:36:59,364 INFO zookeeper.ClientCnxn (ClientCnxn.java:run(1142)) - Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect 2016-07-27 13:37:00,276 INFO zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(1019)) - Opening socket connection to server node5.exp.himalaya.xyz.io/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error) 2016-07-27 13:37:00,277 INFO zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(864)) - Socket connection established to node5.exp.himalaya.xyz.io/127.0.0.1:2181, initiating session 2016-07-27 13:37:03,614 INFO zookeeper.ClientCnxn (ClientCnxn.java:run(1140)) - Client session timed out, have not heard from server in 3337ms for sessionid 0x0, closing socket connection and attempting reconnect 2016-07-27 13:37:03,778 INFO zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(1019)) - Opening socket connection to server node3.exp.himalaya.xyz.io/127.0.0.249:2181. Will not attempt to authenticate using SASL (unknown error) 2016-07-27 13:37:03,778 INFO zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(864)) - Socket connection established to node3.exp.himalaya.xyz.io/127.0.0.249:2181, initiating session 2016-07-27 13:37:03,778 INFO zookeeper.ClientCnxn (ClientCnxn.java:run(1142)) - Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect 2016-07-27 13:37:05,439 INFO zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(864)) - Socket connection established to node6.exp.himalaya.xyz.io/127.0.0.8:2181, initiating session 2016-07-27 13:37:05,439 INFO zookeeper.ClientCnxn (ClientCnxn.java:run(1142)) - Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect 2016-07-27 13:37:06,527 INFO zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(1019)) - Opening socket connection to server node5.exp.himalaya.xyz.io/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error) 2016-07-27 13:37:06,528 INFO zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(864)) - Socket connection established to node5.exp.himalaya.xyz.io/127.0.0.1:2181, initiating session 2016-07-27 13:37:09,363 ERROR ha.ActiveStandbyElector (ActiveStandbyElector.java:waitForZKConnectionEvent(1104)) - Connection timed out: couldn't connect to ZooKeeper in 10000 milliseconds 2016-07-27 13:37:09,962 INFO zookeeper.ZooKeeper (ZooKeeper.java:close(684)) - Session: 0x0 closed 2016-07-27 13:37:09,962 INFO zookeeper.ClientCnxn (ClientCnxn.java:run(524)) - EventThread shut down 2016-07-27 13:37:09,962 WARN ha.ActiveStandbyElector (ActiveStandbyElector.java:reEstablishSession(801)) - org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss 2016-07-27 13:37:14,963 INFO zookeeper.ZooKeeper (ZooKeeper.java:<init>(438)) - Initiating client connection, connectString=node3.exp.himalaya.xyz.io:2181,node5.exp.himalaya.xyz.io:2181,node6.exp.himalaya.xyz.io:2181 sessionTimeout=10000 watcher=org.apache.hadoop.ha.ActiveStandbyElector$WatcherWithClientRef@2dd48f21 2016-07-27 13:37:14,965 INFO zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(1019)) - Opening socket connection to server node3.exp.himalaya.xyz.io/127.0.0.249:2181. Will not attempt to authenticate using SASL (unknown error) 2016-07-27 13:37:14,965 INFO zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(864)) - Socket connection established to node3.exp.himalaya.xyz.io/127.0.0.249:2181, initiating session 2016-07-27 13:37:14,965 INFO zookeeper.ClientCnxn (ClientCnxn.java:run(1142)) - Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect 2016-07-27 13:37:15,273 INFO zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(1019)) - Opening socket connection to server node5.exp.himalaya.xyz.io/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error) 2016-07-27 13:37:15,274 INFO zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(864)) - Socket connection established to node5.exp.himalaya.xyz.io/127.0.0.1:2181, initiating session 2016-07-27 13:37:18,611 INFO zookeeper.ClientCnxn (ClientCnxn.java:run(1140)) - Client session timed out, have not heard from server in 3337ms for sessionid 0x0, closing socket connection and attempting reconnect 2016-07-27 13:37:19,184 INFO zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(1019)) - Opening socket connection to server node6.exp.himalaya.xyz.io/127.0.0.8:2181. Will not attempt to authenticate using SASL (unknown error) 2016-07-27 13:37:19,185 INFO zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(864)) - Socket connection established to node6.exp.himalaya.xyz.io/127.0.0.8:2181, initiating session 2016-07-27 13:37:19,186 INFO zookeeper.ClientCnxn (ClientCnxn.java:run(1142)) - Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect 2016-07-27 13:37:21,181 INFO zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(1019)) - Opening socket connection to server node3.exp.himalaya.xyz.io/127.0.0.249:2181. Will not attempt to authenticate using SASL (unknown error) 2016-07-27 13:37:21,181 INFO zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(864)) - Socket connection established to node3.exp.himalaya.xyz.io/127.0.0.249:2181, initiating session 2016-07-27 13:37:21,181 INFO zookeeper.ClientCnxn (ClientCnxn.java:run(1142)) - Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect 2016-07-27 13:37:22,081 INFO zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(1019)) - Opening socket connection to server node5.exp.himalaya.xyz.io/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error) 2016-07-27 13:37:22,082 INFO zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(864)) - Socket connection established to node5.exp.himalaya.xyz.io/127.0.0.1:2181, initiating session 2016-07-27 13:37:24,965 ERROR ha.ActiveStandbyElector (ActiveStandbyElector.java:waitForZKConnectionEvent(1104)) - Connection timed out: couldn't connect to ZooKeeper in 10000 milliseconds 2016-07-27 13:37:25,516 INFO zookeeper.ZooKeeper (ZooKeeper.java:close(684)) - Session: 0x0 closed 2016-07-27 13:37:25,516 INFO zookeeper.ClientCnxn (ClientCnxn.java:run(524)) - EventThread shut down 2016-07-27 13:37:25,516 WARN ha.ActiveStandbyElector (ActiveStandbyElector.java:reEstablishSession(801)) - org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss 2016-07-27 13:37:30,517 INFO zookeeper.ZooKeeper (ZooKeeper.java:<init>(438)) - Initiating client connection, connectString=node3.exp.himalaya.xyz.io:2181,node5.exp.himalaya.xyz.io:2181,node6.exp.himalaya.xyz.io:2181 sessionTimeout=10000 watcher=org.apache.hadoop.ha.ActiveStandbyElector$WatcherWithClientRef@339934ae 2016-07-27 13:37:30,518 INFO zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(1019)) - Opening socket connection to server node5.exp.himalaya.xyz.io/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error) 2016-07-27 13:37:30,519 INFO zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(864)) - Socket connection established to node5.exp.himalaya.xyz.io/127.0.0.1:2181, initiating session 2016-07-27 13:37:33,856 INFO zookeeper.ClientCnxn (ClientCnxn.java:run(1140)) - Client session timed out, have not heard from server in 3337ms for sessionid 0x0, closing socket connection and attempting reconnect 2016-07-27 13:37:34,690 INFO zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(1019)) - Opening socket connection to server node3.exp.himalaya.xyz.io/127.0.0.249:2181. Will not attempt to authenticate using SASL (unknown error) 2016-07-27 13:37:34,690 INFO zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(864)) - Socket connection established to node3.exp.himalaya.xyz.io/127.0.0.249:2181, initiating session 2016-07-27 13:37:34,691 INFO zookeeper.ClientCnxn (ClientCnxn.java:run(1142)) - Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect 2016-07-27 13:37:35,046 INFO zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(1019)) - Opening socket connection to server node6.exp.himalaya.xyz.io/127.0.0.8:2181. Will not attempt to authenticate using SASL (unknown error) 2016-07-27 13:37:35,047 INFO zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(864)) - Socket connection established to node6.exp.himalaya.xyz.io/127.0.0.8:2181, initiating session 2016-07-27 13:37:35,048 INFO zookeeper.ClientCnxn (ClientCnxn.java:run(1142)) - Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect 2016-07-27 13:37:36,508 INFO zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(1019)) - Opening socket connection to server node5.exp.himalaya.xyz.io/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error) 2016-07-27 13:37:36,509 INFO zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(864)) - Socket connection established to node5.exp.himalaya.xyz.io/127.0.0.1:2181, initiating session 2016-07-27 13:37:39,844 INFO zookeeper.ClientCnxn (ClientCnxn.java:run(1140)) - Client session timed out, have not heard from server in 3335ms for sessionid 0x0, closing socket connection and attempting reconnect 2016-07-27 13:37:40,276 INFO zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(1019)) - Opening socket connection to server node3.exp.himalaya.xyz.io/127.0.0.249:2181. Will not attempt to authenticate using SASL (unknown error) 2016-07-27 13:37:40,277 INFO zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(864)) - Socket connection established to node3.exp.himalaya.xyz.io/127.0.0.249:2181, initiating session 2016-07-27 13:37:40,277 INFO zookeeper.ClientCnxn (ClientCnxn.java:run(1142)) - Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect 2016-07-27 13:37:40,518 ERROR ha.ActiveStandbyElector (ActiveStandbyElector.java:waitForZKConnectionEvent(1104)) - Connection timed out: couldn't connect to ZooKeeper in 10000 milliseconds 2016-07-27 13:37:40,763 INFO zookeeper.ZooKeeper (ZooKeeper.java:close(684)) - Session: 0x0 closed 2016-07-27 13:37:40,763 WARN ha.ActiveStandbyElector (ActiveStandbyElector.java:reEstablishSession(801)) - org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss 2016-07-27 13:37:45,764 INFO zookeeper.ZooKeeper (ZooKeeper.java:<init>(438)) - Initiating client connection, connectString=node3.exp.himalaya.xyz.io:2181,node5.exp.himalaya.xyz.io:2181,node6.exp.himalaya.xyz.io:2181 sessionTimeout=10000 watcher=org.apache.hadoop.ha.ActiveStandbyElector$WatcherWithClientRef@fa07419 2016-07-27 13:37:45,766 INFO zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(1019)) - Opening socket connection to server node5.exp.himalaya.xyz.io/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error) 2016-07-27 13:37:45,767 INFO zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(864)) - Socket connection established to node5.exp.himalaya.xyz.io/127.0.0.1:2181, initiating session 2016-07-27 13:37:49,102 INFO zookeeper.ClientCnxn (ClientCnxn.java:run(1140)) - Client session timed out, have not heard from server in 3335ms for sessionid 0x0, closing socket connection and attempting reconnect 2016-07-27 13:37:49,929 INFO zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(1019)) - Opening socket connection to server node6.exp.himalaya.xyz.io/127.0.0.8:2181. Will not attempt to authenticate using SASL (unknown error) 2016-07-27 13:37:49,930 INFO zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(864)) - Socket connection established to node6.exp.himalaya.xyz.io/127.0.0.8:2181, initiating session 2016-07-27 13:37:49,930 INFO zookeeper.ClientCnxn (ClientCnxn.java:run(1142)) - Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect 2016-07-27 13:37:50,680 INFO zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(1019)) - Opening socket connection to server node3.exp.himalaya.xyz.io/127.0.0.249:2181. Will not attempt to authenticate using SASL (unknown error) 2016-07-27 13:37:50,680 INFO zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(864)) - Socket connection established to node3.exp.himalaya.xyz.io/127.0.0.249:2181, initiating session 2016-07-27 13:37:50,681 INFO zookeeper.ClientCnxn (ClientCnxn.java:run(1142)) - Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting reconnect 2016-07-27 13:37:52,450 INFO zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(1019)) - Opening socket connection to server node5.exp.himalaya.xyz.io/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error) 2016-07-27 13:37:52,451 INFO zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(864)) - Socket connection established to node5.exp.himalaya.xyz.io/127.0.0.1:2181, initiating session 2016-07-27 13:37:55,765 ERROR ha.ActiveStandbyElector (ActiveStandbyElector.java:waitForZKConnectionEvent(1104)) - Connection timed out: couldn't connect to ZooKeeper in 10000 milliseconds 2016-07-27 13:37:55,885 INFO zookeeper.ZooKeeper (ZooKeeper.java:close(684)) - Session: 0x0 closed 2016-07-27 13:37:55,885 INFO zookeeper.ClientCnxn (ClientCnxn.java:run(524)) - EventThread shut down 2016-07-27 13:37:55,886 WARN ha.ActiveStandbyElector (ActiveStandbyElector.java:reEstablishSession(801)) - org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss 2016-07-27 13:38:00,887 INFO zookeeper.ZooKeeper (ZooKeeper.java:<init>(438)) - Initiating client connection, connectString=node3.exp.himalaya.xyz.io:2181,node5.exp.himalaya.xyz.io:2181,node6.exp.himalaya.xyz.io:2181 sessionTimeout=10000 watcher=org.apache.hadoop.ha.ActiveStandbyElector$WatcherWithClientRef@6e0e2eec 2016-07-27 13:38:00,888 INFO zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(1019)) - Opening socket connection to server node5.exp.himalaya.xyz.io/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error) 2016-07-27 13:38:00,889 INFO zookeeper.ClientCnxn (ClientCnxn.java:primeConnection(864)) - Socket connection established to node5.exp.himalaya.xyz.io/127.0.0.1:2181, initiating session 2016-07-27 13:38:04,226 INFO zookeeper.ClientCnxn (ClientCnxn.java:run(1140)) - Client session timed out, have not heard from server in 3337ms for sessionid 0x0, closing socket connection and attempting reconnect
Thanks.
Created 07-28-2016 09:25 AM
@Dinesh E your logs contain server names which may be considered sensitive information. Please edit your post to mask the hostnames.
Created 07-28-2016 09:25 AM
Thanks for letting me know Artem
Created 07-28-2016 11:30 AM
Hi @Dinesh E,
Looks like there isn't anything listening on 2181 for any of your Zk nodes. I just stopped my zookeeper instances and can see a similar message in my yarn logs:
2016-07-28 04:30:08,097 INFO zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(1019)) - Opening socket connection to server sebstack0101/X.X.X.X:2181. Will not attempt to authenticate using SASL (unknown error) 2016-07-28 04:30:08,097 WARN zookeeper.ClientCnxn (ClientCnxn.java:run(1146)) - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
Could you verify that Zookeeper is running and is listening on port 2181?
Created 07-29-2016 09:24 AM
Hi @Sebastian Carroll, Thanks for you reply.
Zookeeper is running fine and listening at port 2181.
[node3.exp ~]$ sudo netstat -nlp| grep 2181 tcp 0 0 :::2181 :::* LISTEN 23954/java [node3.exp ~]$ ps 23954 PID TTY STAT TIME COMMAND 23954 ? Sl 0:42 /usr/lib/jvm/jre/bin/java -Dzookeeper.log.dir=/var/log/zookeeper -Dzookeeper.log.file=zookeeper-zookeeper-server-node3.exp.himalaya.xyz.io.log -Dzookeeper.root.logger=INFO,ROLLIN [node3.exp ~]$
But my Zookeeper Failover Controller is not running.
Please refer it at:https://community.hortonworks.com/questions/47695/zookeeper-failover-controller-failed-to-start.html...
Thanks
Created 07-29-2016 10:43 AM
The issue with ZKFC looks to be related to this problem. Looks like Zookeeper has bound to an IPv6 address but your other services are trying to connect over IPv4. When I repeat the netstat command, I get:
[root@sebstack0102 ~]# netstat -nlp| grep 2181 tcp 0 0 0.0.0.0:2181 0.0.0.0:* LISTEN 12573/java
But I have IPv6 disabled on my test cluster so I'm not sure this is the issue as Zookeeper should by default bind in such a way that "any connection to the clientPort for any address/interface/nic on the server will be accepted" (see here under clientPortBindAddress). Looking at your zoo.cfg in your other answer it isn't forcing IPv6 binding. There's a bug listed on the Ubuntu site, that seems to describe this issue but unfortunately they don't really give a resolution apart from potentially permission errors on /var/lib/zookeeper
If you telnet do you connect?
$ telnet 127.0.0.1 2181
Created 08-02-2016 02:39 PM
When tried to connect local host with port no 2181
[node3.exp ~]$ telnet 127.0.0.1 2181 Trying 127.0.0.1... Connected to 127.0.0.1. Escape character is '^]'.
Getting hung up. Getting same issue when using the ip address and port no of node3
Created 12-15-2016 09:56 AM
Hi Dinesh,
Were you able to solve this issue?