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https://issues.apache.org/jira/browse/ACCUMULO-4535?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15752417#comment-15752417
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Josh Elser commented on ACCUMULO-4535:
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bq. Though it would break custom load balancers that are using this function
instead of the other one
This is one of those really hard decisions to make. Personally, I fall on the
side of: "if we can avoid breaking people, please do". But, we are technically
under no obligation to maintain compatibility here. I also find it absurd that
we're presenting extension points that aren't covered by any compatibility
guarantees...
> 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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