or set this variable 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
