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 <[email protected]> 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 < > [email protected]> 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 <[email protected]> >> *Sent:* Wednesday, July 23, 2014 4:14 PM >> *To:* [email protected] >> *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! >> >> >
