@Anand Verma Exception in thread "main" java.lang.RuntimeException: org.apache.storm.utils.NimbusLeaderNotFoundException: Could not find leader nimbus from seed hosts [sandbox.hortonworks.com]. Did you specify a valid list of nimbus hosts for config nimbus.seeds? Check this: https://community.hortonworks.com/articles/8844/solutions-for-storm-nimbus-failure.html ... View more

It worked after I quit the process using CTRL+C on Terminal Window, quit Terminal, restart Docker engine and then try again. ... View more