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From "Keith Turner (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-2554) MiniCluster Tests fail due to zookeeper
Date Thu, 17 Apr 2014 13:21:16 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-2554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13972919#comment-13972919
] 

Keith Turner commented on ACCUMULO-2554:
----------------------------------------

Earlier when I looked for {{dt_socket}} I was looking in {{test/target/mini-test}} and found
nothing.  I tried looking in {{minicluster/target/mini-test}} and did find {{dt_socket}} messages.
 

{noformat}
$ pwd
/local/disk1/jenkins/workspace/accumulo16/minicluster/target/mini-tests
$ find . -name "*Zoo*.out" | xargs grep "dt_socket"
./org.apache.accumulo.minicluster.impl.MiniAccumuloClusterImplTest/logs/ZooKeeperServerMain_1826463271.out:Listening
for transport dt_socket at address: 37923
./org.apache.accumulo.minicluster.MiniAccumuloClusterTest/logs/ZooKeeperServerMain_523145999.out:Listening
for transport dt_socket at address: 48270
{noformat}

Looking into this further, this dt_socket message is not the zookeeper port.

{noformat}
$ cd ./org.apache.accumulo.minicluster.impl.MiniAccumuloClusterImplTest/logs/
$ grep dt_socket ZooKeeperServerMain_1826463271.out 
Listening for transport dt_socket at address: 37923
$ grep inding ZooKeeperServerMain_1826463271.out 
2014-04-16 15:30:26,212 [server.NIOServerCnxn] INFO : binding to port 0.0.0.0/0.0.0.0:2617
$ grep 2617 ../conf/zoo.cfg 
clientPort=2617
{noformat}

Maybe the dt_socket port is a debug or jmx port???  Whatever it is, its the very first think
printed and if you see nothing else, then it implies zookeeper is hung.  I think it would
be really useful to jstack one of these hung zookeeper servers if you can catch it.

> MiniCluster Tests fail due to zookeeper
> ---------------------------------------
>
>                 Key: ACCUMULO-2554
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-2554
>             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)
> org.apache.accumulo.minicluster.MiniAccumuloClusterTest.org.apache.accumulo.minicluster.MiniAccumuloClusterTest
> org.apache.accumulo.minicluster.impl.MiniAccumuloClusterGCTest.org.apache.accumulo.minicluster.impl.MiniAccumuloClusterGCTest
> org.apache.accumulo.minicluster.impl.MiniAccumuloClusterImplTest.org.apache.accumulo.minicluster.impl.MiniAccumuloClusterImplTest
> {noformat}



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