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 <[email protected]> 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
