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https://issues.apache.org/jira/browse/HBASE-26171?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17396409#comment-17396409
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Michael Stack commented on HBASE-26171:
---------------------------------------
How is IllegalStateException better than NPE? Thanks.
> MetricsRegionServer may throws NullPointerException
> ---------------------------------------------------
>
> Key: HBASE-26171
> URL: https://issues.apache.org/jira/browse/HBASE-26171
> Project: HBase
> Issue Type: Improvement
> Reporter: Zixuan Liu
> Priority: Major
>
> MetricsRegionServer may throws NullPointerException When optional.get() is
> called.
>
>
> {code:java}
> metricRegistry =
> MetricRegistries.global().get(serverSource.getMetricRegistryInfo()).get();
>
> {code}
>
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