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Posted to dev@zeppelin.apache.org by GitBox <gi...@apache.org> on 2019/03/13 02:34:04 UTC
[GitHub] [zeppelin] zjffdu opened a new pull request #3332: ZEPPELIN-4062.
Don't wait ipython kernel if python process failed
zjffdu opened a new pull request #3332: ZEPPELIN-4062. Don't wait ipython kernel if python process failed
URL: https://github.com/apache/zeppelin/pull/3332
### What is this PR for?
This PR will exist wait ipython process loop if the python process is failed. This can save time to exit the waiting loop earlier, otherwise it would wait until timeout (30 seconds by default)
### What type of PR is it?
[Improvement]
### Todos
* [ ] - Task
### What is the Jira issue?
* https://jira.apache.org/jira/browse/ZEPPELIN-4062
### How should this be tested?
* Manually tested.
Before this PR
```
INFO [2019-03-13 10:06:30,070] ({FIFOScheduler-Worker-1} IPythonInterpreter.java[launchIPythonKernel]:313) - Wait for IPython Kernel to be started
INFO [2019-03-13 10:06:30,175] ({FIFOScheduler-Worker-1} IPythonInterpreter.java[launchIPythonKernel]:313) - Wait for IPython Kernel to be started
INFO [2019-03-13 10:06:30,281] ({FIFOScheduler-Worker-1} IPythonInterpreter.java[launchIPythonKernel]:313) - Wait for IPython Kernel to be started
INFO [2019-03-13 10:06:30,386] ({FIFOScheduler-Worker-1} IPythonInterpreter.java[launchIPythonKernel]:313) - Wait for IPython Kernel to be started
INFO [2019-03-13 10:06:30,489] ({FIFOScheduler-Worker-1} IPythonInterpreter.java[launchIPythonKernel]:313) - Wait for IPython Kernel to be started
INFO [2019-03-13 10:06:30,595] ({FIFOScheduler-Worker-1} IPythonInterpreter.java[launchIPythonKernel]:313) - Wait for IPython Kernel to be started
INFO [2019-03-13 10:06:30,700] ({FIFOScheduler-Worker-1} IPythonInterpreter.java[launchIPythonKernel]:313) - Wait for IPython Kernel to be started
INFO [2019-03-13 10:06:30,805] ({FIFOScheduler-Worker-1} IPythonInterpreter.java[launchIPythonKernel]:313) - Wait for IPython Kernel to be started
WARN [2019-03-13 10:06:30,810] ({Exec Default Executor} IPythonInterpreter.java[onProcessFailed]:419) - Exception happens in Python Process
org.apache.commons.exec.ExecuteException: Process exited with an error: 1 (Exit value: 1)
at org.apache.commons.exec.DefaultExecutor.executeInternal(DefaultExecutor.java:404)
at org.apache.commons.exec.DefaultExecutor.access$200(DefaultExecutor.java:48)
at org.apache.commons.exec.DefaultExecutor$1.run(DefaultExecutor.java:200)
at java.lang.Thread.run(Thread.java:748)
INFO [2019-03-13 10:06:30,910] ({FIFOScheduler-Worker-1} IPythonInterpreter.java[launchIPythonKernel]:313) - Wait for IPython Kernel to be started
INFO [2019-03-13 10:06:31,015] ({FIFOScheduler-Worker-1}
```
After this PR
```
INFO [2019-03-13 10:28:12,805] ({FIFOScheduler-Worker-1} IPythonInterpreter.java[launchIPythonKernel]:314) - Wait for IPython Kernel to be started
INFO [2019-03-13 10:28:12,907] ({FIFOScheduler-Worker-1} IPythonInterpreter.java[launchIPythonKernel]:314) - Wait for IPython Kernel to be started
INFO [2019-03-13 10:28:13,011] ({FIFOScheduler-Worker-1} IPythonInterpreter.java[launchIPythonKernel]:314) - Wait for IPython Kernel to be started
INFO [2019-03-13 10:28:13,116] ({FIFOScheduler-Worker-1} IPythonInterpreter.java[launchIPythonKernel]:314) - Wait for IPython Kernel to be started
INFO [2019-03-13 10:28:13,220] ({FIFOScheduler-Worker-1} IPythonInterpreter.java[launchIPythonKernel]:314) - Wait for IPython Kernel to be started
INFO [2019-03-13 10:28:13,325] ({FIFOScheduler-Worker-1} IPythonInterpreter.java[launchIPythonKernel]:314) - Wait for IPython Kernel to be started
WARN [2019-03-13 10:28:13,347] ({Exec Default Executor} IPythonInterpreter.java[onProcessFailed]:423) - Exception happens in Python Process
org.apache.commons.exec.ExecuteException: Process exited with an error: 1 (Exit value: 1)
at org.apache.commons.exec.DefaultExecutor.executeInternal(DefaultExecutor.java:404)
at org.apache.commons.exec.DefaultExecutor.access$200(DefaultExecutor.java:48)
at org.apache.commons.exec.DefaultExecutor$1.run(DefaultExecutor.java:200)
at java.lang.Thread.run(Thread.java:748)
INFO [2019-03-13 10:28:13,430] ({FIFOScheduler-Worker-1} IPythonInterpreter.java[launchIPythonKernel]:314) - Wait for IPython Kernel to be started
WARN [2019-03-13 10:28:13,431] ({FIFOScheduler-Worker-1} PythonInterpreter.java[open]:98) - Fail to open IPythonInterpreter
java.lang.RuntimeException: Fail to open IPythonInterpreter
at org.apache.zeppelin.python.IPythonInterpreter.open(IPythonInterpreter.java:152)
at org.apache.zeppelin.python.PythonInterpreter.open(PythonInterpreter.java:93)
at org.apache.zeppelin.interpreter.LazyOpenInterpreter.open(LazyOpenInterpreter.java:69)
at org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:598)
at org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:507)
at org.apache.zeppelin.scheduler.Job.run(Job.java:172)
at org.apache.zeppelin.scheduler.AbstractScheduler.runJob(AbstractScheduler.java:121)
at org.apache.zeppelin.scheduler.FIFOScheduler.lambda$runJobInScheduler$0(FIFOScheduler.java:39)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.io.IOException: Fail to launch IPython Kernel as the python process is failed
at org.apache.zeppelin.python.IPythonInterpreter.launchIPythonKernel(IPythonInterpreter.java:323)
at org.apache.zeppelin.python.IPythonInterpreter.open(IPythonInterpreter.java:149)
... 10 more
INFO [2019-03-13 10:28:13,431] ({FIFOScheduler-Worker-1} PythonInterpreter.java[open]:104) - IPython is not available, use the native PythonInterpreter
```
### Screenshots (if appropriate)
### Questions:
* Does the licenses files need update? No
* Is there breaking changes for older versions? No
* Does this needs documentation? No
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