giraph-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Jing Fan <fanjin...@gmail.com>
Subject Re: Zookeeper server null error when running giraph
Date Thu, 24 Jul 2014 14:25:42 GMT
Does anyone know the reason of this error and the solution?

Thank you very much!


On Wed, Jul 23, 2014 at 4:51 PM, Jing Fan <fanjing09@gmail.com> wrote:

> Hi Vivek,
>
> Giraph comes wtih Zookeeper itself so I didn't install it separately. I
> run the same program several times. Sometimes it can succeed but most of
> the time it will come with the Zookeeper null error.
>
> Thanks.
>
>
> On Wed, Jul 23, 2014 at 4:35 PM, Sardeshmukh, Vivek <
> vivek-sardeshmukh@uiowa.edu> wrote:
>
>>  Hi Jing,
>>
>>
>>  Did you install Zookeeper? Is it running? If yes, then on which port?
>> I'm not sure whether it is necessary to install Zookeeper separately
>> but it's not that complicated to install so installed it and I didn't had
>> any problem.
>>
>>
>>  To install zookeeper :
>>
>> wget --no-check-certificate
>> http://apache.mesi.com.ar/zookeeper/zookeeper-3.4.5/zookeeper-3.4.5.tar.gz
>>
>>
>>  tar zxvf zookeeper-3.4.5.tar.gz
>>
>> cd zookeeper-3.4.5
>>
>> mv conf/zoo_sample.cfg conf/zoo.cfg
>>
>> sudo bin/zkServer.sh start
>>
>>
>>  And when running a giraph job specify the zookeeper port-
>> -Dgiraph.zkList=<hostname where u installed zookeeper>:2181
>>
>>
>>
>> Vivek
>>   ------------------------------
>> *From:* Jing Fan <fanjing09@gmail.com>
>> *Sent:* Wednesday, July 23, 2014 4:14 PM
>> *To:* user@giraph.apache.org
>> *Subject:* Zookeeper server null error when running giraph
>>
>>  Hi,
>>
>>  When I run giraph, I always have following error message and the task
>> will fail
>>
>>  14/07/23 23:10:21 INFO zookeeper.ClientCnxn: Opening socket connection to server
localhost/127.0.0.1:22181. Will not attempt to authenticate using SASL (unknown error)
>> 14/07/23 23:10:21 WARN zookeeper.ClientCnxn: Session 0x1476505b6cd0009 for server
null, unexpected error, closing socket connection and attempting reconnect
>> java.net.ConnectException: Connection refused
>> 	at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
>> 	at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)
>> 	at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
>> 	at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1068)
>>
>>
>> Does anyone know the reason and how to solve it?
>>
>>
>> Thanks!
>>
>>
>

Mime
View raw message