check your hadoop-env.sh file, set hadoop_home path correctly. On Wed, Mar 13, 2013 at 7:51 PM, Cyril Bogus <cyrilbo...@gmail.com> wrote:
> Hi Nitin, > > As part of my configuration I have set all the environment variables AND > added HADOOP_PREFIX. But the problem still persist so I will just keep the > extra copy in order to move forward. > > And I start it from /home/hadoop. I have no idea why it is looking for > /home/agnik/hadoop > > > On Wed, Mar 13, 2013 at 10:03 AM, Nitin Pawar <nitinpawar...@gmail.com>wrote: > >> or set this variabole HADOOP_PREFIX to the directory where hadoop is >> installed. >> >> >> On Wed, Mar 13, 2013 at 7:32 PM, Nitin Pawar <nitinpawar...@gmail.com>wrote: >> >>> Cyril, >>> >>> how did you install hadoop? >>> when you start hadoop ... do you start it from the location where it is >>> installed or from users home directory? >>> >>> try setting HADOOP_HOME (its deprecated but it helps to resolve issues >>> like where the config files are located etc) >>> >>> >>> On Wed, Mar 13, 2013 at 7:29 PM, Cyril Bogus <cyrilbo...@gmail.com>wrote: >>> >>>> Thanks for the reply. >>>> >>>> I am running on Linux. The problem IS the config file but since I >>>> couldn't figure out where, I made two copies of hadoop. One where it is >>>> looking for it, and where other nodes will be looking for it. >>>> >>>> In my config file, everything is I have set hadoop in /home/hadoop but >>>> it is looking for it in /home/owner/hadoop (for some processes at least) >>>> and that was the problem. >>>> >>>> >>>> On Tue, Mar 12, 2013 at 11:06 AM, Jean-Marc Spaggiari < >>>> jean-m...@spaggiari.org> wrote: >>>> >>>>> Hi Cyril, >>>>> >>>>> Are you running in Cygwin? Or Linux? Also, you might want to share >>>>> your configuration files if you want someone to take a look. >>>>> >>>>> JM >>>>> >>>>> 2013/3/8 Cyril Bogus <cyrilbo...@gmail.com>: >>>>> > I am trying to have a two node cluster. >>>>> > Hadoop 1.0.4 >>>>> > >>>>> > the master is under the account A >>>>> > the slave is under the account B >>>>> > >>>>> > I run into an exception when I try to start the cluster. >>>>> > Here is my output >>>>> > >>>>> > A@owner-5:~$ /home/hadoop/bin/start-all.sh >>>>> > Warning: $HADOOP_HOME is deprecated. >>>>> > >>>>> > namenode running as process 3020. Stop it first. >>>>> > A@master: starting datanode, logging to >>>>> > /home/hadoop/libexec/../logs/hadoop-A-datanode-owner-5.out >>>>> > B@slave: Warning: $HADOOP_HOME is deprecated. >>>>> > B@slave: >>>>> > B@slave: starting datanode, logging to >>>>> > /home/owner/hadoop//logs/hadoop-owner-datanode-owner-7.out >>>>> > B@slave: Exception in thread "main" java.lang.NoClassDefFoundError: >>>>> > org/apache/hadoop/util/PlatformName >>>>> > B@slave: Caused by: java.lang.ClassNotFoundException: >>>>> > org.apache.hadoop.util.PlatformName >>>>> > B@slave: at >>>>> java.net.URLClassLoader$1.run(URLClassLoader.java:202) >>>>> > B@slave: at java.security.AccessController.doPrivileged(Native >>>>> Method) >>>>> > B@slave: at >>>>> java.net.URLClassLoader.findClass(URLClassLoader.java:190) >>>>> > B@slave: at >>>>> java.lang.ClassLoader.loadClass(ClassLoader.java:306) >>>>> > B@slave: at >>>>> > sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) >>>>> > B@slave: at >>>>> java.lang.ClassLoader.loadClass(ClassLoader.java:247) >>>>> > B@slave: Could not find the main class: >>>>> org.apache.hadoop.util.PlatformName. >>>>> > Program will exit. >>>>> > B@slave: Exception in thread "main" java.lang.NoClassDefFoundError: >>>>> > org/apache/hadoop/hdfs/server/datanode/DataNode >>>>> > A@master: secondarynamenode running as process 3352. Stop it first. >>>>> > starting jobtracker, logging to >>>>> > /home/hadoop/libexec/../logs/hadoop-A-jobtracker-owner-5.out >>>>> > B@slave: Warning: $HADOOP_HOME is deprecated. >>>>> > B@slave: >>>>> > B@slave: starting tasktracker, logging to >>>>> > /home/owner/hadoop//logs/hadoop-owner-tasktracker-owner-7.out >>>>> > A@master: starting tasktracker, logging to >>>>> > /home/hadoop/libexec/../logs/hadoop-A-tasktracker-owner-5.out >>>>> > B@slave: Exception in thread "main" java.lang.NoClassDefFoundError: >>>>> > org/apache/hadoop/util/PlatformName >>>>> > B@slave: Caused by: java.lang.ClassNotFoundException: >>>>> > org.apache.hadoop.util.PlatformName >>>>> > B@slave: at >>>>> java.net.URLClassLoader$1.run(URLClassLoader.java:202) >>>>> > B@slave: at java.security.AccessController.doPrivileged(Native >>>>> Method) >>>>> > B@slave: at >>>>> java.net.URLClassLoader.findClass(URLClassLoader.java:190) >>>>> > B@slave: at >>>>> java.lang.ClassLoader.loadClass(ClassLoader.java:306) >>>>> > B@slave: at >>>>> > sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) >>>>> > B@slave: at >>>>> java.lang.ClassLoader.loadClass(ClassLoader.java:247) >>>>> > B@slave: Could not find the main class: >>>>> org.apache.hadoop.util.PlatformName. >>>>> > Program will exit. >>>>> > B@slave: Exception in thread "main" java.lang.NoClassDefFoundError: >>>>> > org/apache/hadoop/mapred/TaskTracker >>>>> > A@owner-5:~$ >>>>> > >>>>> >>>> >>>> >>> >>> >>> -- >>> Nitin Pawar >>> >> >> >> >> -- >> Nitin Pawar >> > >
