hama-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Edward J. Yoon" <edwardy...@apache.org>
Subject Re: can not start hamma
Date Tue, 11 Sep 2012 05:37:27 GMT
Looks like a JAR class path problem. Did you manually run the
start-bspd.sh script?

On Tue, Sep 11, 2012 at 1:18 PM, 顾荣 <gurongwalker@gmail.com> wrote:
> Hi,all.
>
> I am new to Hama. I installed a hama on my cluster, and configured setting
> as the tutorial. However, I can not start hama successfully. The error
> message is :
> starting bspmaster, logging to
> /home/hadoop/hama_installs/hama-0.5.0/bin/../logs/hama-hadoop-bspmaster-slave021.out
> Exception in thread "main" java.lang.NoClassDefFoundError:
> org/apache/hama/BSPMasterRunner
> Caused by: java.lang.ClassNotFoundException: org.apache.hama.BSPMasterRunner
>     at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
>     at java.security.AccessController.doPrivileged(Native Method)
>     at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
>     at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
>     at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
>     at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
> Could not find the main class: org.apache.hama.BSPMasterRunner.  Program
> will exit.
> localhost: @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
> localhost: @    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @
> localhost: @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
> localhost: IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
> localhost: Someone could be eavesdropping on you right now
> (man-in-the-middle attack)!
> localhost: It is also possible that the RSA host key has just been changed.
> localhost: The fingerprint for the RSA key sent by the remote host is
> localhost: bd:f4:c9:72:0e:48:74:e4:92:b4:c7:93:a0:24:94:c5.
> localhost: Please contact your system administrator.
> localhost: Add correct host key in /home/hadoop/.ssh/known_hosts to get rid
> of this message.
> localhost: Offending key in /home/hadoop/.ssh/known_hosts:5
> localhost: Password authentication is disabled to avoid man-in-the-middle
> attacks.
> localhost: Keyboard-interactive authentication is disabled to avoid
> man-in-the-middle attacks.
> localhost: starting groom, logging to
> /home/hadoop/hama_installs/hama-0.5.0/bin/../logs/hama-hadoop-groom-slave021.out
> localhost: Exception in thread "main" java.lang.NoClassDefFoundError:
> org/apache/hama/GroomServerRunner
> localhost: Caused by: java.lang.ClassNotFoundException:
> org.apache.hama.GroomServerRunner
> localhost:     at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
> localhost:     at java.security.AccessController.doPrivileged(Native Method)
> localhost:     at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
> localhost:     at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
> localhost:     at
> sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
> localhost:     at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
> localhost: Could not find the main class:
> org.apache.hama.GroomServerRunner.  Program will exit.
>
>
> can you give me some tips?
>
> thanks in advance.
>
> walker



-- 
Best Regards, Edward J. Yoon
@eddieyoon

Mime
View raw message