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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 -- This message was sent by Atlassian JIRA (v7.6.3#76005)