[HBASE-25093] the RSGroupBasedLoadBalancer#retainAssignment throws NPE - ASF JIRA

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Details

Type: Bug
Status: Resolved
Priority: Major
Resolution: Fixed
Affects Version/s: 3.0.0-alpha-1, 2.3.1, 2.2.3
Fix Version/s: 3.0.0-alpha-1, 2.3.3, 2.4.0, 2.2.7
Component/s: rsgroup
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Description

when BaseLoadBalancer#
https://github.com/apache/hbase/blob/8bfa2cb2eedcf050b26a28961e1b77dbf3cd8c95/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/BaseLoadBalancer.java#L1433

If the result of the BaseLoadBalancer#retainAssignment is null, the RSGroupBasedLoadBalancer#retainAssignment will throw NPE.

https://github.com/apache/hbase/blob/8bfa2cb2eedcf050b26a28961e1b77dbf3cd8c95/hbase-server/src/main/java/org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.java#L206

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Issue Links

breaks

HBASE-26643 LoadBalancer should not return empty map

Resolved

links to

GitHub Pull Request #2450

GitHub Pull Request #2534

GitHub Pull Request #2553

Activity

People

Assignee:: Yulin Niu

Reporter:: Bo Cui

Votes:: 0 Vote for this issue

Watchers:: 5 Start watching this issue

Dates

Created:: 24/Sep/20 01:37

Updated:: 05/Jan/22 14:39

Resolved:: 19/Oct/20 02:43