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https://issues.apache.org/jira/browse/HBASE-29186?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ray Mattingly resolved HBASE-29186.
-----------------------------------
Resolution: Fixed
> RegionPlanConditionals can produce a null pointer
> -------------------------------------------------
>
> Key: HBASE-29186
> URL: https://issues.apache.org/jira/browse/HBASE-29186
> Project: HBase
> Issue Type: Bug
> Components: Balancer
> Affects Versions: 2.7.0
> Reporter: Ray Mattingly
> Assignee: Ray Mattingly
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0-alpha-1, 2.7.0, 3.0.0-beta-2
>
>
> The value of this lookup can be null, and we can't pass a null value to
> Arrays#stream:
> {noformat}
> java.lang.NullPointerException: Cannot read the array length because "array"
> is null
> at java.util.Arrays.stream(Arrays.java:5559) ~[?:?]
> at
> org.apache.hadoop.hbase.master.balancer.RegionPlanConditional.isViolating(RegionPlanConditional.java:103)
> ~[hbase-server-2.6-hubspot-SNAPSHOT.jar:2.6-hubspot-SNAPSHOT]{noformat}
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