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 > > > >
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