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Posted to issues@spark.apache.org by "Lantao Jin (JIRA)" <ji...@apache.org> on 2019/06/25 09:52:00 UTC

[jira] [Created] (SPARK-28160) TransportClient.sendRpcSync may hang forever

Lantao Jin created SPARK-28160:
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             Summary: 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: 2.4.3, 2.3.3, 3.0.0
            Reporter: Lantao Jin


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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