zuston commented on a change in pull request #18220:
URL: https://github.com/apache/flink/pull/18220#discussion_r780378665
##########
File path:
flink-yarn/src/main/java/org/apache/flink/yarn/YarnClusterClientFactory.java
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@@ -87,6 +87,6 @@ private YarnClusterDescriptor
getClusterDescriptor(Configuration configuration)
yarnConfiguration,
yarnClient,
YarnClientYarnClusterInformationRetriever.create(yarnClient),
- false);
+ true);
Review comment:
Done. set to false.
Actually, it will occur that yarn client is closed by
`YarnClusterDescriptor` and but to use it when getting `RestClusterClient` from
`ClusterClientProvider`, please refer to
[code_link](https://github.com/apache/flink/blob/8b62a6267569bb417db21b75d5e6482341fea665/flink-clients/src/main/java/org/apache/flink/client/deployment/executors/AbstractJobClusterExecutor.java#L72)
To solve above problem, I introduce the `YarnClientRetrieve` to get yarn
client for `ApplicationReportProviderImpl`. When external yarn client is
closed, it will create new yarn
client that its lifecycle will be managed in this retriever.
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