I changed the hostname but it doesn't work. The error seems to be related to zookeeper :(
On Thu, Jul 24, 2014 at 9:49 AM, Young Han <[email protected]> wrote: > Hi, > > Try making your hostname all lower case (sudo hostname xxxx, and change > /etc/hostname). I think this may be an issue caused by/related to the > GIRAPH-904 patch. > > Young > > > On Thu, Jul 24, 2014 at 10:25 AM, Jing Fan <[email protected]> wrote: > >> 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! >>>> >>>> >>> >> >
