How Do You Get hdfs or Yarn to Start the Jps Process You Expect to Start?

Problem scenario
You use and and there are no errors.  They seem to work, but when you use the jps command, you do not see the service you expect.  Why isn't a jps process starting when you run one of these scripts?

The root cause could be a variety of root causes.  Here are some potential solutions.

1.  In these files, is there an all uppercase stanza like one or both of the following?



If it has never worked, you may want to comment out such stanzas.

2.  Are you using sudo to start these and scripts?  Try not using sudo before you run the scripts.

3.  You want want to set up Hadoop again.  This link can help you with deploying open source Hadoop.

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