Hi, have you looked at the Master's log? And, you also need to replace hadoop jar files in ${HAMA_HOME}/lib folder.
On Mon, Sep 22, 2014 at 6:46 AM, Dongjin Lee <dongjin.lee...@gmail.com> wrote: > Hello All. > > I am a developer who have been run hama with hadoop 1.2.1. Last weekend, I > upgraded my hadoop distribution to latest one, version 2.5.1. Although all > other things run well, my hama distribution (0.6.4) does not run properly > anymore. > > Let's explain a bit more in detail: I rebuilded hama with hadoop2 profile > and updated all jar files. I never changed any hama config file. However, > when I try to run hama job like following, it fails to connect to bsp > master. > > dongjinleekr@dongjinleekr-unix:~$ hama jar hama-examples-0.6.4.jar gen > fastgen 100 10 randomgraph 2 > 14/09/22 06:30:59 INFO ipc.Client: Retrying connect to server: localhost/ > 127.0.0.1:40000. Already tried 0 time(s); retry policy is > RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS) > ... > java.net.ConnectException: Call to localhost/127.0.0.1:40000 failed on > connection exception: java.net.ConnectException: Connection refused > > I checked the processes with jps, but all the daemons were running well. Is > there any other person who experienced the same? I am now suspecting that > some updates applied to hadoop 2.5.0 are causing this problem. > > Any guidance will be greatly helped. > > Thanks in Advance, > Dongjin Lee > > -- > *Dongjin Lee* > > > *Oracle Server Technologies Group.So interested in massive-scale machine > learning.facebook: www.facebook.com/dongjin.lee.kr > <http://www.facebook.com/dongjin.lee.kr>linkedin: > kr.linkedin.com/in/dongjinleekr > <http://kr.linkedin.com/in/dongjinleekr>github: > <http://goog_969573159>github.com/dongjinleekr > <http://github.com/dongjinleekr>twitter: www.twitter.com/dongjinleekr > <http://www.twitter.com/dongjinleekr>* -- Best Regards, Edward J. Yoon CEO at DataSayer Co., Ltd.