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https://issues.apache.org/jira/browse/FLINK-8163?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16561045#comment-16561045
]
Congxian Qiu commented on FLINK-8163:
-------------------------------------
When I got stuck, I got the jstack message as below
{code:java}
"Flink Netty Client (0) Thread 0" #11277 daemon prio=5 os_prio=31
tid=0x00007fe7237ed800 nid=0x323a3 runnable [0x000070002c2d0000]
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 <0x0000000742003840> (a
org.apache.flink.shaded.netty4.io.netty.channel.nio.SelectedSelectionKeySet)
- locked <0x0000000742003830> (a java.util.Collections$UnmodifiableSet)
- locked <0x00000007420037e0> (a sun.nio.ch.KQueueSelectorImpl)
at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
at
org.apache.flink.shaded.netty4.io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62)
at
org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:753)
at
org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:409)
at
org.apache.flink.shaded.netty4.io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
at java.lang.Thread.run(Thread.java:748)
...
"Flink Netty Client (0) Thread 0" #11275 daemon prio=5 os_prio=31
tid=0x00007fe70900b000 nid=0x3fe37 runnable [0x000070002b9b5000]
java.lang.Thread.State: RUNNABLE
at sun.nio.ch.KQueueArrayWrapper.kevent0(Native Method)
at sun.nio.ch.KQueueArrayWrapper.poll(KQueueArrayWrapper.java:198)
at sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:117)
at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
- locked <0x0000000741e60f58> (a
org.apache.flink.shaded.netty4.io.netty.channel.nio.SelectedSelectionKeySet)
- locked <0x0000000741e60ea0> (a java.util.Collections$UnmodifiableSet)
- locked <0x0000000741e60dc0> (a sun.nio.ch.KQueueSelectorImpl)
at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
at
org.apache.flink.shaded.netty4.io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62)
at
org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:753)
at
org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:409)
at
org.apache.flink.shaded.netty4.io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
at java.lang.Thread.run(Thread.java:748)
{code}
> NonHAQueryableStateFsBackendITCase test getting stuck on Travis
> ---------------------------------------------------------------
>
> Key: FLINK-8163
> URL: https://issues.apache.org/jira/browse/FLINK-8163
> Project: Flink
> Issue Type: Bug
> Components: Queryable State, Tests
> Affects Versions: 1.5.0
> Reporter: Till Rohrmann
> Assignee: Chesnay Schepler
> Priority: Critical
> Labels: pull-request-available, test-stability
>
> The {{NonHAQueryableStateFsBackendITCase}} tests seems to get stuck on Travis
> producing no output for 300s.
> https://travis-ci.org/tillrohrmann/flink/jobs/307988209
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