It should be possible to add directories to classpath using HADOOP_CLASSPATH, set in etc/hadoop/hadoop-env.sh.
>Воскресенье, 14 октября 2018, 19:32 +03:00 от r...@post.bgu.ac.il ><r...@post.bgu.ac.il>: > >So how should I configure it? >I looked over here >https://stackoverflow.com/questions/28260653/where-is-the-classpath-set-for-hadoop > to Siva's answer and the output of ($HADOOP+HOME/bin/hadoop classpath) is : > >hadoop2@master:~$ $HADOOP_HOME/bin/hadoop classpath >/usr/local/hadoop-2.9.1/etc/hadoop:/usr/local/hadoop-2.9.1/share/hadoop/common/lib/*:/usr/local/hadoop-2.9.1/share/hadoop/common/*:/usr/local/hadoop-2.9.1/share/hadoop/hdfs:/usr/local/hadoop-2.9.1/share/hadoop/hdfs/lib/*:/usr/local/hadoop-2.9.1/share/hadoop/hdfs/*:/usr/local/hadoop-2.9.1/share/hadoop/yarn/lib/*:/usr/local/hadoop-2.9.1/share/hadoop/yarn/*:/usr/local/hadoop-2.9.1/share/hadoop/mapreduce/lib/*:/usr/local/hadoop-2.9.1/share/hadoop/mapreduce/*:/usr/local/hadoop-2.9.1/contrib/capacity-scheduler/*.jar > >But the problem stayed the same. >How should I configure the classpath to be what you suggested? > >P.S >hadoop2@master:~$ $HADOOP_HOME/bin/hadoop jar >$HADOOP_HOME/share/hadoop/mapreduce/hadoop-mapreduce-examples-*.jar >org.apache.hadoop.examples.Grep input output 'dfs[a-z.]+' >Error: Could not find or load main class org.apache.hadoop.util.RunJar > > >On 2018/10/14 15:55:06, ITD < itdir...@mail.ru.INVALID > wrote: >> Try and check your classpath, it looks a bit strange: >> >> /usp/hdfs: what's this? >> >> Working classpath is: >> /usr/local/hadoop/etc/hadoop:\ >> /usr/local/hadoop/share/hadoop/common/lib/*:\ >> /usr/local/hadoop/share/hadoop/common/*:\ >> /usr/local/hadoop/share/hadoop/hdfs:\ >> /usr/local/hadoop/share/hadoop/hdfs/lib/*:\ >> /usr/local/hadoop/share/hadoop/hdfs/*:\ >> /usr/local/hadoop/share/hadoop/mapreduce/lib/*:\ >> /usr/local/hadoop/share/hadoop/mapreduce/*:\ >> /usr/local/hadoop/share/hadoop/yarn:\ >> /usr/local/hadoop/share/hadoop/yarn/lib/*:\ >> /usr/local/hadoop/share/hadoop/yarn/* >> >> >> >> >Воскресенье, 14 октября 2018, 18:26 +03:00 от r...@post.bgu.ac.il < >> >r...@post.bgu.ac.il >: >> > >> >I tried, I still get the same error. >> > >> >On 2018/10/14 15:18:57, ITD < itdir...@mail.ru.INVALID > wrote: >> >> Class names are case-sensitive in Java, so try >> >> >> >> $HADOOP_HOME/bin/hadoop jar >> >> $HADOOP_HOME/share/hadoop/mapreduce/hadoop-mapreduce-examples-2.9.1.jar >> >> Grep input output 'dfs[a-z.]+' >> >> >> >> >Воскресенье, 14 октября 2018, 18:04 +03:00 от Or Raz < >> >> >r...@post.bgu.ac.il >: >> >> > >> >> >I am using Hadoop 2.9.1 standalone (the folder I am using is after >> >> >successful compilation of the source code) and whenever I run a Hadoop >> >> >command such as (where$HADOOP_HOME= /usr/local/hadoop, the directory of >> >> >Hadoop) >> >> >$HADOOP_HOME/bin/hadoop jar >> >> >$HADOOP_HOME/share/hadoop/mapreduce/hadoop-mapreduce-examples-2.9.1.jar >> >> >grep input output 'dfs[a-z.]+' >> >> >I get this error : >> >> >>Error: Could not find or load main class org.apache.hadoop.util.RunJar >> >> >At first, I was thinking that I am missing some environment variables >> >> >but are they necessary for the standalone case? Why did I get this >> >> >error? (I even replaced with another example, I believe it is a >> >> >classpath problem) >> >> > >> >> >hadoop2@master:/usr/local/hadoop-2.9.1$ bin/hadoop classpath >> >> >/usr/local/hadoop-2.9.1/etc/hadoop:/usr/local/hadoop-2.9.1/share/hadoop/common/lib/*:/usr/local/hadoop-2.9.1/share/hadoop/common/*:/usr/local/hadoop-2.9.1/share/hadoop/hdfs:/usp/hdfs/*:/usr/local/hadoop-2.9.1/share/hadoop/yarn/lib/*:/usr/local/hadoop-2.9.1/share/hadoop/yarn/*:/usr/local/hadoop-2.9.1/share/hadoop/mapreduce/lib/*:/usr/local/hadoop-2.9.jar >> >> >> >> >> >> >> >> >> > >> >--------------------------------------------------------------------- >> >To unsubscribe, e-mail: user-unsubscr...@hadoop.apache.org >> >For additional commands, e-mail: user-h...@hadoop.apache.org >> > >> >> >> >> >> > >--------------------------------------------------------------------- >To unsubscribe, e-mail: user-unsubscr...@hadoop.apache.org >For additional commands, e-mail: user-h...@hadoop.apache.org >
