Just start using the bash scripts, I don't trust the CLI interfaces ;)) 2011/6/16 Ashish Agarwal <[email protected]>
> Hi, > > When I try to run the hama daemons using the command - > bin/hama zookeeper > > I get this error - > > Exception in thread "main" java.lang.NoClassDefFoundError: > org/apache/commons/cli/ParseException > at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:59) > at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79) > at org.apache.hama.ZooKeeperRunner.main(ZooKeeperRunner.java:41) > Caused by: java.lang.ClassNotFoundException: > org.apache.commons.cli.ParseException > at java.net.URLClassLoader$1.run(URLClassLoader.java:202) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:190) > at java.lang.ClassLoader.loadClass(ClassLoader.java:307) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) > at java.lang.ClassLoader.loadClass(ClassLoader.java:248) > ... 3 more > > > I tried installing it a few times, but can't think of a solution to the > problem. Can you please help ? > > Thank you > > Sincerely, > Ashish > > > On Wed, Jun 15, 2011 at 3:18 AM, Edward J. Yoon <[email protected] > >wrote: > > > Hi, > > > > I would suggest following steps to debug: > > > > 1. Install the Hadoop 0.20.x on your laptop. > > 2. Run the Hama deamons with 3 terminals. > > > > % bin/hama zookeeper > > % bin/hama bspmaster > > % bin/hama groom > > > > 3. Use the logging API to log debug. > > For example, LOG.debug("like this"); > > > > On Wed, Jun 15, 2011 at 6:48 PM, Ashish Agarwal <[email protected] > > > > wrote: > > > Hi, > > > > > > I was wondering if anyone can give me instructions on how to debug code > > in > > > distributed or pseudo-distributed mode ? It would really help me. > > > > > > Thank you > > > > > > Sincerely, > > > Ashish > > > > > > > > > > > > On Sat, Jun 11, 2011 at 3:41 AM, Ashish Agarwal < > [email protected] > > >wrote: > > > > > >> > > >> Hi, > > >> > > >> I have written some code for my GSoC task (Hama-367) and am now trying > > to > > >> debug. > > >> > > >> I am trying to set up the environment into pseudo-distributed mode so > I > > can > > >> debug. I think the value of bsp.master.address in hama-site.xml has to > > be > > >> local as this means LocalBSPRunner (as localhost would call 127.0.0.1 > > >> server), but where do I specify that in the code in eclipse ? > > >> > > >> My next question is - what is the difference between MiniBSPCluster > and > > >> LocalBSPRunner and which file should I be using to be able to step > > through > > >> the code ? > > >> > > >> These are the processes currently running on my machine - > > >> > > >> 6112 NameNode > > >> 3319 ZooKeeperRunner > > >> 3018 > > >> 6449 SecondaryNameNode > > >> 5709 HMaster > > >> 5643 HQuorumPeer > > >> 6684 TaskTracker > > >> 6526 JobTracker > > >> 8074 Jps > > >> 6277 DataNode > > >> > > >> Thank you, > > >> Ashish > > >> > > > > > > > > > > > -- > > Best Regards, Edward J. Yoon > > @eddieyoon > > > -- Thomas Jungblut Berlin mobile: 0170-3081070 business: [email protected] private: [email protected]
