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https://issues.apache.org/jira/browse/FLINK-19369?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17223710#comment-17223710
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Matthias commented on FLINK-19369:
----------------------------------
Ok, the stacktraces I mentioned in the comments seem to be unrelated a probably
due to heavy load on the Blob storage.
But I came across
[JDK-8241239|https://bugs.openjdk.java.net/browse/JDK-8241239] which might
explain this failure. I'm going to close the issue for now considering that it
only appeared once more than 1 month ago. We might have to reopen the issue in
case we experience failures like that again.
> BlobClientTest.testGetFailsDuringStreamingForJobPermanentBlob hangs
> -------------------------------------------------------------------
>
> Key: FLINK-19369
> URL: https://issues.apache.org/jira/browse/FLINK-19369
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Coordination, Tests
> Affects Versions: 1.11.0
> Reporter: Dian Fu
> Priority: Major
> Labels: test-stability
>
> https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=6803&view=logs&j=f0ac5c25-1168-55a5-07ff-0e88223afed9&t=39a61cac-5c62-532f-d2c1-dea450a66708
> {code}
> 2020-09-22T21:40:57.5304615Z "main" #1 prio=5 os_prio=0 cpu=18407.84ms
> elapsed=1969.42s tid=0x00007f0730015800 nid=0x79bd waiting for monitor entry
> [0x00007f07389fb000]
> 2020-09-22T21:40:57.5305080Z java.lang.Thread.State: BLOCKED (on object
> monitor)
> 2020-09-22T21:40:57.5305487Z at
> sun.security.ssl.SSLSocketImpl.duplexCloseOutput(java.base@11.0.7/SSLSocketImpl.java:541)
> 2020-09-22T21:40:57.5306159Z - waiting to lock <0x000000008661a560> (a
> sun.security.ssl.SSLSocketOutputRecord)
> 2020-09-22T21:40:57.5306545Z at
> sun.security.ssl.SSLSocketImpl.close(java.base@11.0.7/SSLSocketImpl.java:472)
> 2020-09-22T21:40:57.5307045Z at
> org.apache.flink.runtime.blob.BlobUtils.closeSilently(BlobUtils.java:367)
> 2020-09-22T21:40:57.5307605Z at
> org.apache.flink.runtime.blob.BlobServerConnection.close(BlobServerConnection.java:141)
> 2020-09-22T21:40:57.5308337Z at
> org.apache.flink.runtime.blob.BlobClientTest.testGetFailsDuringStreaming(BlobClientTest.java:443)
> 2020-09-22T21:40:57.5308904Z at
> org.apache.flink.runtime.blob.BlobClientTest.testGetFailsDuringStreamingForJobPermanentBlob(BlobClientTest.java:408)
> {code}
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