ctrl+z closes hiveserver2 and restarts to report an error

1. Encountered problems

Problem: ctrl+z closes hiveserver2 and restarts to report an error:

Reason for error: hiveserver2 cannot directly ctrl+z to close the service.

Two, the solution

Re-copy the label to start a node1 master node

Enter the following code to view the hiveserver2 process:

ps -ef | grep hiveserver2

The result display: 

Just kill the second process:

kill - 9 18893

Log in again as root and start hiveserver2 without error.

Perfect solution!