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Date: Thu, 15 Dec 2016 19:54:58 +0000 (UTC)
From: "Adam J Shook (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (ACCUMULO-4535) HostRegexTableLoadBalancer fails
 with NullPointerException
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archived-at: Thu, 15 Dec 2016 19:55:05 -0000


    [ https://issues.apache.org/jira/browse/ACCUMULO-4535?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15752349#comment-15752349 ] 

Adam J Shook commented on ACCUMULO-4535:
----------------------------------------

Wouldn't it be best to remove {{TabletBalancer#init(ServerConfiguration)}} entirely?  I find no other usages of this function outside of the {{HostRegexTableLoadBalancer}} tests and in the {{ChaoticLoadBalancer}} which just throws a not implemented exception.

> HostRegexTableLoadBalancer fails with NullPointerException
> ----------------------------------------------------------
>
>                 Key: ACCUMULO-4535
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-4535
>             Project: Accumulo
>          Issue Type: Bug
>    Affects Versions: 1.7.2
>            Reporter: Adam J Shook
>            Assignee: Adam J Shook
>
> Ran into an issue when testing out the {{HostRegexTableLoadBalancer}}.  It fails to start and throws a {{NullPointerException}} when trying to access the {{poolNameToRegexPattern}}.  The root cause is the {{init}} function the load balancer overrides is the wrong one that the Master calls (wrong signature).


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