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https://issues.apache.org/jira/browse/FLINK-13553?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17060425#comment-17060425
 ] 

Gary Yao commented on FLINK-13553:
----------------------------------

I cannot reproduce the exact problem. Locally it fails reliably with
{code}
Test 
testChunkedResponse(org.apache.flink.queryablestate.network.KvStateServerHandlerTest)
 failed with:
java.lang.AssertionError: Not ChunkedByteBuf
        at org.junit.Assert.fail(Assert.java:88)
        at org.junit.Assert.assertTrue(Assert.java:41)
        at 
org.apache.flink.queryablestate.network.KvStateServerHandlerTest.testChunkedResponse(KvStateServerHandlerTest.java:699)
        at sun.reflect.GeneratedMethodAccessor12.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
        at 
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
        at 
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
        at 
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
        at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
        at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
        at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
        at 
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
        at 
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
        at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
        at 
com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
        at 
com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:53)
        at 
com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:230)
        at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:58)
{code}

> KvStateServerHandlerTest.readInboundBlocking unstable on Travis
> ---------------------------------------------------------------
>
>                 Key: FLINK-13553
>                 URL: https://issues.apache.org/jira/browse/FLINK-13553
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Queryable State
>    Affects Versions: 1.10.0, 1.11.0
>            Reporter: Till Rohrmann
>            Assignee: Gary Yao
>            Priority: Critical
>              Labels: test-stability
>             Fix For: 1.11.0
>
>
> The {{KvStateServerHandlerTest.readInboundBlocking}} and 
> {{KvStateServerHandlerTest.testQueryExecutorShutDown}} fail on Travis with a 
> {{TimeoutException}}.
> https://api.travis-ci.org/v3/job/566420641/log.txt



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