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From "Jonathan Hsieh (JIRA)" <>
Subject [jira] [Commented] (ACCUMULO-526) LateLastContact test needs to use a real entry in zookeeper
Date Thu, 20 Jun 2013 20:44:23 GMT


Jonathan Hsieh commented on ACCUMULO-526:

fixed in 1.4.1.
> LateLastContact test needs to use a real entry in zookeeper
> -----------------------------------------------------------
>                 Key: ACCUMULO-526
>                 URL:
>             Project: Accumulo
>          Issue Type: Bug
>          Components: test
>            Reporter: Eric Newton
>            Assignee: Eric Newton
>            Priority: Minor
> The LateLastContact attempts to find troubled tservers by noticing that they are failing
to respond to status requests.  If a server does not report status, the master attempts to
kill it by removing the zookeeper lock.
> The way the current test works, is that it creates a fake lock using, which
is not always present.  It isn't really creating a proper entry in zookeeper anyhow.  It should
be re-written to use java code to create a proper entry.
> Reported by Keys Botzum:
> MapR does not normally install a full zookeeper install on each node. Instead we install
a zookeeper "client" on each node which is basically the zookeeper JAR file - /opt/mapr/lib/zookeeper-3.3.2.jar.
If I set ZOOKEEPER_HOME to /opt/mapr/lib almost everything works fine since Accumulo seems
to only need the JAR file at that location. The one exception is the stress.weird.LateLastContact
which directly references (in stress/ which isn't part of the MapR install.

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