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-sardeshm...@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 <fanjin...@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! > >
