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https://issues.apache.org/jira/browse/BOOKKEEPER-784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14135369#comment-14135369
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Rakesh R commented on BOOKKEEPER-784:
-------------------------------------
bq.the slowing of the bookie should avoid this, but thats relying on timers
Yeah, its relaying on timers. One common failure pattern I could see is,
immediately after restarting the bookie server its performing the next
operation, now its hitting Disconnected event and is returning different return
code. Do you think the following changes will help:
# Presently it is delaying the server by 5secs, will increase to a bigger
value(20 or 30secs). Also, we need to increase the read/add timeouts
respectively.
# After restarting will perform another operation to ensure that the existing
bkclient successfully reconnected with the restarted server(during this
operation will reduce the server delay and after this op will set back the
bigger value). After this pre-requisite step it can perform the actual testing.
Is there any better way to see the client reconnection completed?
> BookKeeperCloseTest#testLedgerCheck is failing intermittently
> -------------------------------------------------------------
>
> Key: BOOKKEEPER-784
> URL: https://issues.apache.org/jira/browse/BOOKKEEPER-784
> Project: Bookkeeper
> Issue Type: Bug
> Reporter: Rakesh R
> Assignee: Rakesh R
> Labels: test
> Fix For: 4.3.0
>
>
> *Stacktrace*
> {code}
> java.lang.AssertionError: Should have client closed exception expected:<0>
> but was:<-19>
> at org.junit.Assert.fail(Assert.java:91)
> at org.junit.Assert.failNotEquals(Assert.java:645)
> at org.junit.Assert.assertEquals(Assert.java:126)
> at org.junit.Assert.assertEquals(Assert.java:470)
> at
> org.apache.bookkeeper.client.BookKeeperCloseTest.testLedgerCheck(BookKeeperCloseTest.java:501)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
> at
> org.junit.internal.runners.statements.FailOnTimeout$1.run(FailOnTimeout.java:28)
> {code}
> Link:
> https://builds.apache.org/job/bookkeeper-trunk-precommit-build/722/testReport/junit/org.apache.bookkeeper.client/BookKeeperCloseTest/testLedgerCheck/
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