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https://issues.apache.org/jira/browse/SPARK-28160?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen resolved SPARK-28160.
-------------------------------
Resolution: Fixed
Fix Version/s: 2.4.4
2.3.4
3.0.0
Issue resolved by pull request 24964
[https://github.com/apache/spark/pull/24964]
> TransportClient.sendRpcSync may hang forever
> --------------------------------------------
>
> Key: SPARK-28160
> URL: https://issues.apache.org/jira/browse/SPARK-28160
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 2.3.3, 3.0.0, 2.4.3
> Reporter: Lantao Jin
> Assignee: Lantao Jin
> Priority: Major
> Fix For: 3.0.0, 2.3.4, 2.4.4
>
>
> This is very like
> [SPARK-26665|https://issues.apache.org/jira/browse/SPARK-26665]
> `ByteBuffer.allocate` may throw OutOfMemoryError when the response is large
> but no enough memory is available. However, when this happens,
> TransportClient.sendRpcSync will just hang forever if the timeout set to
> unlimited.
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