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From "Keith Turner (JIRA)" <>
Subject [jira] [Commented] (ACCUMULO-2554) MiniCluster Tests fail due to zookeeper
Date Thu, 17 Apr 2014 13:01:17 GMT


Keith Turner commented on ACCUMULO-2554:

I picked a random MAC dir from a 1.6.0-SNAPSHOT run yesterday.   

Looking at the following file :


I see 

2014-04-16 17:10:10,077 [quorum.QuorumPeerConfig] INFO : Reading configuration from: /local/disk1/jenkins/workspace/accumulo16/test/target/mini-tests/org.apache.accumulo.test.DumpConfigIT_test/conf/zoo.cfg
2014-04-16 17:10:10,078 [server.ZooKeeperServerMain] INFO : Starting server

then I see

2014-04-16 17:10:10,135 [server.NIOServerCnxn] INFO : binding to port

There are no lines in the log containing the string "dt_socket".  I grepped every zookeeper
out file for that string and did not see it.  

In the past DNS was flaky on my Jenkins machine and for some reason zookeeper would hang.
 I jstack the zookeeper server process and saw it was hung in java name resolution calls during
initialization.   Also I know there was very little in the zk out when this happened, but
I can not remember exactly what.   Have you been able to jstack?

> MiniCluster Tests fail due to zookeeper
> ---------------------------------------
>                 Key: ACCUMULO-2554
>                 URL:
>             Project: Accumulo
>          Issue Type: Sub-task
>          Components: maven-plugin, mini
>    Affects Versions: 1.6.0
>         Environment: Maven 3.0.4 on JDK 6u31 on Jenkins
>            Reporter: Mike Drob
>             Fix For: 1.6.1
> I've seen the following three tests fail multiple times over nightly builds.
> {noformat}
> Test Result (3 failures / +3)
> {noformat}

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