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From "Edward J. Yoon" <edwardy...@apache.org>
Subject Re: Get struck after upgrading hadoop to 2.5.1
Date Sun, 21 Sep 2014 23:58:43 GMT
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.kr@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.

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