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[FLINK-20365][python] The native k8s cluster could not be unregistered when executing Python DataStream application in attach mode #14232

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What is the purpose of the change

The native k8s cluster could not be unregistered when executing Python DataStream application attachedly.

Brief change log

  • Catch the UnsuccessfulExecutionException in Py4JJavaError and throw UnsuccessfulExecutionException when python process exited.

Verifying this change

  • This change has test case covered by test_kubernetes_pyflink_application.sh

Does this pull request potentially affect one of the following parts:

  • Dependencies (does it add or upgrade a dependency): (no)
  • The public API, i.e., is any changed class annotated with @Public(Evolving): ( no)
  • The serializers: (no)
  • The runtime per-record code paths (performance sensitive): (no)
  • Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn/Mesos, ZooKeeper: (no)
  • The S3 file system connector: (no)

Documentation

  • Does this pull request introduce a new feature? ( no)
  • If yes, how is the feature documented? ( not documented)

…d when executing Python DataStream application attachedly.
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Last check on commit ef93e27 (Thu Nov 26 09:43:48 UTC 2020)

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flinkbot commented Nov 26, 2020

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@shuiqiangchen Thanks a lot for the fixing. LGTM. Just two minor comments. I will address them during merging the PR.

@@ -375,4 +379,10 @@ static Process launchPy4jPythonClient(
// start the python process.
return PythonEnvUtils.startPythonProcess(pythonEnv, commands, redirectToPipe);
}

public static void setPythonException(Exception pythonException) {
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Suggested change
public static void setPythonException(Exception pythonException) {
public static void setPythonException(Throwable pythonException) {

@@ -106,9 +105,11 @@ public static void main(String[] args) throws ExecutionException, InterruptedExc
} catch (Throwable e) {
LOG.error("Run python process failed", e);

// throw ProgramAbortException if the caller is interested in the program plan,
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the comments could be kept.

@dianfu dianfu changed the title [FLINK-20365][python] The native k8s cluster could not be unregistered when executing Python DataStream application attachedly. [FLINK-20365][python] The native k8s cluster could not be unregistered when executing Python DataStream application in attach mode Nov 26, 2020
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dianfu commented Nov 26, 2020

closed via af1b2cf

@dianfu dianfu closed this Nov 26, 2020
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