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org.apache.thrift.transport.TTransportException: java.net.ConnectException:
Connection refused	at org.apache.zeppelin.interpreter.remote.RemoteInterpreter.init(RemoteInterpreter.java:135)	at org.apache.zeppelin.interpreter.remote.RemoteInterpreter.getFormType(RemoteInterpreter.java:249)	at org.apache.zeppelin.interpreter.LazyOpenInterpreter.getFormType(LazyOpenInterpreter.java:104)	at org.apache.zeppelin.notebook.Paragraph.jobRun(Paragraph.java:202)	at org.apache.zeppelin.scheduler.Job.run(Job.java:170)	at org.apache.zeppelin.scheduler.RemoteScheduler$JobRunner.run(RemoteScheduler.java:296)	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)	at java.util.concurrent.FutureTask.run(FutureTask.java:262)	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)	at java.lang.Thread.run(Thread.java:745)