How can I run Hadoop run with a Java class?

Question

I am following the book Hadoop: the definitive Guide.

I am confused on example 3-1.

There is a Java source file, URLCat.java. I use javac to co

Answer 1

The syntax of the command is a little bit different:

hadoop fs -cat hdfs:///user/tom/quangle.txt

Do you have hadoop home in your path? can you call hadoop without any parameters?