Interpreter scheduler may not be shutdown properly

 INFO [2021-12-07 16:11:05,950] ({ConfInterpreter-close} SchedulerFactory.java[createOrGetFIFOScheduler]:76) - Create FIFOScheduler: interpreter_2110018491
 INFO [2021-12-07 16:11:05,950] ({ConfInterpreter-close} ManagedInterpreterGroup.java[closeInterpreter]:162) - Trying to close interpreter org.apache.zeppelin.interpreter.ConfInterpreter
 INFO [2021-12-07 16:11:05,950] ({ConfInterpreter-close} SchedulerFactory.java[removeScheduler]:110) - Remove scheduler: interpreter_2110018491
ERROR [2021-12-07 16:11:05,951] ({RemoteInterpreter-close} ManagedInterpreterGroup.java[lambda$null$2]:130) - Interpreter close error
java.lang.RuntimeException
    at org.apache.zeppelin.interpreter.remote.PooledRemoteClient.callRemoteFunction(PooledRemoteClient.java:119)
    at org.apache.zeppelin.interpreter.remote.RemoteInterpreterProcess.callRemoteFunction(RemoteInterpreterProcess.java:100)
    at org.apache.zeppelin.interpreter.remote.RemoteInterpreter.cancel(RemoteInterpreter.java:256)
    at org.apache.zeppelin.notebook.Paragraph.jobAbort(Paragraph.java:523)
    at org.apache.zeppelin.scheduler.Job.abort(Job.java:231)
    at org.apache.zeppelin.interpreter.ManagedInterpreterGroup.closeInterpreter(ManagedInterpreterGroup.java:152)
    at org.apache.zeppelin.interpreter.ManagedInterpreterGroup.lambda$null$0(ManagedInterpreterGroup.java:127)
    at java.lang.Thread.run(Thread.java:748)