Finish writing storm java code ready to run in a clustered environment test, the results being given:
at first thought it was an error code, check the results for a long time did not wrong
then went to see UIServer cluster state, found node dang out.
Finally: Restart fleet, re-run
storm jar storm-lowlevel-1.0-SNAPSHOT.jar com.msk.demo01.WordCountTopolpgy
Error Resolution
If you restart the cluster error, first check the status of the cluster zookeeper, zookeeper cluster to ensure that available
