Github user zjffdu commented on the issue:
https://github.com/apache/zeppelin/pull/2329
@jongyoul I still could not get shell interpreter work in yarn mode. But
this time it is due to AM fail to launch. Here's the log in AM container.
```
Error: Could not find or load main class
org.apache.zeppelin.cluster.yarn.YarnRemoteInterpreterServer
```
I would suggest you to add unit test to verify it (Launch ShellInterpreter
or some dummy interpreter in MiniYarnCluster)
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