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https://issues.apache.org/jira/browse/KAFKA-5978?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16209382#comment-16209382
 ] 

Manikumar commented on KAFKA-5978:
----------------------------------

[~rsivaram]  SslTransportLayerTest.testNetworkThreadTimeRecorded  test is 
getting stuck sometimes.  This test getting passed consistently with less 
message size, 
https://github.com/apache/kafka/blob/trunk/clients/src/test/java/org/apache/kafka/common/network/SslTransportLayerTest.java#L598

Any clue?

{code} 
"main" #1 prio=5 os_prio=31 tid=0x00007fa03b807800 nid=0x1703 runnable 
[0x0000700000218000]
   java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.KQueueArrayWrapper.kevent0(Native Method)
        at sun.nio.ch.KQueueArrayWrapper.poll(KQueueArrayWrapper.java:198)
        at sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:117)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        - locked <0x000000076ba22d88> (a sun.nio.ch.Util$2)
        - locked <0x000000076ba22d78> (a java.util.Collections$UnmodifiableSet)
        - locked <0x000000076ba22c58> (a sun.nio.ch.KQueueSelectorImpl)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at org.apache.kafka.common.network.Selector.select(Selector.java:657)
        at org.apache.kafka.common.network.Selector.poll(Selector.java:383)
        at 
org.apache.kafka.common.network.SslTransportLayerTest.testNetworkThreadTimeRecorded(SslTransportLayerTest.java:617)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
{code}

> Transient failure in SslTransportLayerTest.testNetworkThreadTimeRecorded
> ------------------------------------------------------------------------
>
>                 Key: KAFKA-5978
>                 URL: https://issues.apache.org/jira/browse/KAFKA-5978
>             Project: Kafka
>          Issue Type: Bug
>            Reporter: Rajini Sivaram
>            Assignee: Rajini Sivaram
>
> Stack trace:
> {quote}
> java.lang.AssertionError: Send time not recorded
>       at org.junit.Assert.fail(Assert.java:88)
>       at org.junit.Assert.assertTrue(Assert.java:41)
>       at 
> org.apache.kafka.common.network.SslTransportLayerTest.testNetworkThreadTimeRecorded(SslTransportLayerTest.java:602)
> {quote}



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