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https://issues.apache.org/jira/browse/HBASE-28354?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17822378#comment-17822378
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Hudson commented on HBASE-28354:
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Results for branch branch-3
[build #159 on
builds.a.o|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-3/159/]:
(x) *{color:red}-1 overall{color}*
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details (if available):
(/) {color:green}+1 general checks{color}
-- For more information [see general
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-3/159/General_20Nightly_20Build_20Report/]
(x) {color:red}-1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3)
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-3/159/JDK8_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(/) {color:green}+1 jdk11 hadoop3 checks{color}
-- For more information [see jdk11
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-3/159/JDK11_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(/) {color:green}+1 client integration test{color}
> RegionSizeCalculator throws NPE when regions are in transition
> --------------------------------------------------------------
>
> Key: HBASE-28354
> URL: https://issues.apache.org/jira/browse/HBASE-28354
> Project: HBase
> Issue Type: Bug
> Reporter: Bryan Beaudreault
> Assignee: Ahmad Alhour
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.6.0, 4.0.0-alpha-1, 3.0.0-beta-2
>
>
> When a region is in transition, it may briefly have a null ServerName in
> meta. The RegionSizeCalculator calls RegionLocator.getAllRegionLocations()
> and does not handle the possibility that a RegionLocation.getServerName()
> could be null. The ServerName is eventually passed into an Admin call, which
> results in an NPE.
> This has come up in other contexts. For example, taking a look at
> getAllRegionLocations() impl, we have checks to ensure that we don't call
> null server names. We need to similarly handle the possibility of nulls in
> RegionSizeCalculator.
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