Github user Leemoonsoo commented on the issue:
https://github.com/apache/zeppelin/pull/2140
@jongyoul Great work.
I tested this PR and found some problem. We need some followup here.
1. Can not use interpreter after restart in `Per User scoped mode`,
After restart interpreter, user the same interpreter again, then get error
```
ERROR [2017-03-16 08:07:55,589] ({pool-2-thread-14} Job.java[run]:186) -
Job failed
org.apache.zeppelin.interpreter.InterpreterException:
org.apache.thrift.TApplicationException: Internal error processing interpret
at
org.apache.zeppelin.interpreter.remote.RemoteInterpreter.interpret(RemoteInterpreter.java:361)
at
org.apache.zeppelin.interpreter.LazyOpenInterpreter.interpret(LazyOpenInterpreter.java:92)
at org.apache.zeppelin.notebook.Paragraph.jobRun(Paragraph.java:407)
at org.apache.zeppelin.scheduler.Job.run(Job.java:181)
at
org.apache.zeppelin.scheduler.RemoteScheduler$JobRunner.run(RemoteScheduler.java:329)
at
java.util.concurrent.Executors$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$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.thrift.TApplicationException: Internal error
processing interpret
at
org.apache.thrift.TApplicationException.read(TApplicationException.java:111)
at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:71)
at
org.apache.zeppelin.interpreter.thrift.RemoteInterpreterService$Client.recv_interpret(RemoteInterpreterService.java:274)
at
org.apache.zeppelin.interpreter.thrift.RemoteInterpreterService$Client.interpret(RemoteInterpreterService.java:258)
at
org.apache.zeppelin.interpreter.remote.RemoteInterpreter.interpret(RemoteInterpreter.java:333)
... 11 more
```
2. Interpreter is closed, but process is not terminated in `Per User
scoped mode`,
Login with two different user in two browser.
Let's say each user uses the same interpreter, python.
Then there're one `RemoteInterpreterServer` process and two `python`
process created.
Once both user restart interpreter, two `python` process are terminated.
However `RemoteInterpreterServer` process still remains even though
reference count becomes 0.
3. Per Note scoped mode
Restart button does not restart interpreter.
4. Per User Isolated mode
Restart button in Interpreter binding page does not work
Restart button in interpreter setting page result the same problem 1) 2)
5. Per Note Isolated mode
Restart button in interpreter binding page works as expected
But restart button in interpreter setting page does not restart
interpreter. which expected restart all interpreters.
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