Cannot connect zookeeper is env problem. You knows your env better than
anyone else, I guess.

On Thu, Aug 18, 2016 at 2:41 PM, 明浩 冯 <[email protected]> wrote:

> Anyone knows why?
>
> I resumed the building job, but it's still blocked in "build dimension
> dictionary" step. the following log keep showing, it seems kylin tries to
> connect to zookeeper server one by one:
>
>
> 2016-08-18 14:37:39,648 INFO  [Thread-10-SendThread(bigdata-5:2181)]
> zookeeper.ClientCnxn:1096 : Client session timed out, have not heard from
> server in 27230ms for sessionid 0x15698315e3d001d, closing socket
> connection and attempting reconnect
> 2016-08-18 14:37:39,749 INFO  [Thread-10-EventThread]
> state.ConnectionStateManager:228 : State change: SUSPENDED
> 2016-08-18 14:37:39,851 INFO  [Thread-10-SendThread(bigdata-master:2181)]
> zookeeper.ClientCnxn:975 : Opening socket connection to server
> bigdata-master/192.168.0.10:2181. Will not attempt to authenticate using
> SASL (unknown error)
> 2016-08-18 14:37:39,851 INFO  [Thread-10-SendThread(bigdata-master:2181)]
> zookeeper.ClientCnxn:852 : Socket connection established to bigdata-master/
> 192.168.0.10:2181, initiating session
> 2016-08-18 14:37:39,855 INFO  [Thread-10-SendThread(bigdata-master:2181)]
> zookeeper.ClientCnxn:1235 : Session establishment complete on server
> bigdata-master/192.168.0.10:2181, sessionid = 0x15698315e3d001d,
> negotiated timeout = 40000
> 2016-08-18 14:37:39,856 INFO  [Thread-10-EventThread]
> state.ConnectionStateManager:228 : State change: RECONNECTED
> 2016-08-18 14:38:10,290 INFO  [Thread-10-SendThread(bigdata-master:2181)]
> zookeeper.ClientCnxn:1096 : Client session timed out, have not heard from
> server in 30431ms for sessionid 0x15698315e3d001d, closing socket
> connection and attempting reconnect
>
> Thanks,
>
> Minghao Feng
> ------------------------------
> *From:* ?? ? <[email protected]>
> *Sent:* Thursday, August 18, 2016 1:09:23 PM
> *To:* [email protected]
> *Subject:* Kylin lost connection to zookeeper and keep on reconnect and
> fail in "Build Dimension Dictionary" step
>
>
> Hi,
>
> Send here for help too.
> I'm a beginner of Kylin. I encountered a problem when building a cube
> which blocked me in "Build Dimension Dictionary" step. Here is the log:
>
> 2016-08-18 10:42:49,471 INFO  [pool-8-thread-1]
> threadpool.DefaultScheduler:109 : Job Fetcher: 1 running, 1 actual
> running, 0 ready, 102 others
> 2016-08-18 10:42:49,619 INFO  [Thread-10-SendThread(bigdata-master:2181)]
> zookeeper.ClientCnxn:975 : Opening socket connection to server
> bigdata-master/192.168.0.10:2181. Will not attempt to authen
> ticate using SASL (unknown error)
> 2016-08-18 10:42:49,620 INFO  [Thread-10-SendThread(bigdata-master:2181)]
> zookeeper.ClientCnxn:852 : Socket connection established to bigdata-master/
> 192.168.0.10:2181, initiating session
> 2016-08-18 10:42:49,630 INFO  [Thread-10-SendThread(bigdata-master:2181)]
> zookeeper.ClientCnxn:1235 : Session establishment complete on server
> bigdata-master/192.168.0.10:2181, sessionid = 0x55697f
> f17be0018, negotiated timeout = 40000
> 2016-08-18 10:42:49,632 INFO  [Thread-10-EventThread]
> state.ConnectionStateManager:228 : State change: RECONNECTED
> 2016-08-18 10:43:11,761 INFO  [pool-9-thread-10-SendThread(bigdata-5:2181)]
> zookeeper.ClientCnxn:975 : Opening socket connection to server bigdata-5/
> 192.168.0.48:2181. Will not attempt to authentic
> ate using SASL (unknown error)
> 2016-08-18 10:43:11,767 INFO  [pool-9-thread-10-SendThread(bigdata-5:2181)]
> zookeeper.ClientCnxn:852 : Socket connection established to bigdata-5/
> 192.168.0.48:2181, initiating session
> 2016-08-18 10:43:11,775 INFO  [pool-9-thread-10-SendThread(bigdata-5:2181)]
> zookeeper.ClientCnxn:1094 : Unable to reconnect to ZooKeeper service,
> session 0x2569b259b110000 has expired, closing sock
> et connection
> 2016-08-18 10:43:11,840 WARN  [pool-9-thread-10-EventThread]
> client.ConnectionManager$HConnectionImplementation:2371 : This client
> just lost it's session with ZooKeeper, closing it. It will be recr
> eated next time someone needs it
> org.apache.zookeeper.KeeperException$SessionExpiredException:
> KeeperErrorCode = Session expired
>         at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.
> connectionEvent(ZooKeeperWatcher.java:700)
>         at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.
> process(ZooKeeperWatcher.java:611)
>         at org.apache.zookeeper.ClientCnxn$EventThread.
> processEvent(ClientCnxn.java:522)
>         at org.apache.zookeeper.ClientCnxn$EventThread.run(
> ClientCnxn.java:498)
> 2016-08-18 10:43:11,854 INFO  [pool-9-thread-10-EventThread]
> client.ConnectionManager$HConnectionImplementation:1710 : Closing
> zookeeper sessionid=0x2569b259b110000
> 2016-08-18 10:43:11,856 INFO  [pool-9-thread-10-EventThread]
> zookeeper.ClientCnxn:512 : EventThread shut down
> 2016-08-18 10:43:39,875 INFO  
> [localhost-startStop-1-SendThread(bigdata-2:2181)]
> zookeeper.ClientCnxn:1096 : Client session timed out, have not heard from
> server in 28107ms for sessionid 0x356980a3
> de8000c, closing socket connection and attempting reconnect
> 2016-08-18 10:43:39,875 INFO  [Thread-10-SendThread(bigdata-master:2181)]
> zookeeper.ClientCnxn:1096 : Client session timed out, have not heard from
> server in 28113ms for sessionid 0x55697ff17be0018
> , closing socket connection and attempting reconnect
> 2016-08-18 10:43:39,976 INFO  [Thread-10-EventThread]
> state.ConnectionStateManager:228 : State change: SUSPENDED
>
>
> Then Kylin keep on trying to reconnect but fail:
>
> 2016-08-18 10:45:37,817 ERROR [Curator-Framework-0]
> curator.ConnectionState:200 : Connection timed out for connection string
> (bigdata-master:2181,bigdata-2:2181,bigdata-3:2181,bigdata-4:2181,bigdat
> a-5:2181) and timeout (15000) / elapsed (27967)
> org.apache.curator.CuratorConnectionLossException: KeeperErrorCode =
> ConnectionLoss
>         at org.apache.curator.ConnectionState.checkTimeouts(
> ConnectionState.java:197)
>         at org.apache.curator.ConnectionState.getZooKeeper(
> ConnectionState.java:87)
>         at org.apache.curator.CuratorZookeeperClient.getZooKeeper(
> CuratorZookeeperClient.java:115)
>         at org.apache.curator.framework.imps.CuratorFrameworkImpl.
> performBackgroundOperation(CuratorFrameworkImpl.java:806)
>         at org.apache.curator.framework.imps.CuratorFrameworkImpl.
> backgroundOperationsLoop(CuratorFrameworkImpl.java:792)
>         at org.apache.curator.framework.imps.CuratorFrameworkImpl.
> access$300(CuratorFrameworkImpl.java:62)
>         at org.apache.curator.framework.imps.CuratorFrameworkImpl$4.
> call(CuratorFrameworkImpl.java:257)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:262)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(
> ThreadPoolExecutor.java:1145)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(
> ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:745)
> 2016-08-18 10:45:37,821 INFO  [Thread-10-SendThread(bigdata-5:2181)]
> zookeeper.ClientCnxn:975 : Opening socket connection to server bigdata-5/
> 192.168.0.48:2181. Will not attempt to authenticate usi
> ng SASL (unknown error)
>
> Kylin also stoped after several times. When I restart kylin, it still
> trying and failing.
> I've checked zookeeper, seems no problem during this period. Does anyone
> know what happened and how can I fix the problem?
>
> This is my environment:
> Hadoop 2.7.2
> Spark 1.6.2
> Hbase 1.2.2
> Zookeeper 3.4.6
> Hive 2.1.0
> Kylin 1.5.3
>
> Thanks,
> Minghao Feng
>

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