guluo created HBASE-27859:
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Summary: HMaster.getCompactionState can happen NPE when region
state is closed
Key: HBASE-27859
URL: https://issues.apache.org/jira/browse/HBASE-27859
Project: HBase
Issue Type: Bug
Components: master
Affects Versions: 2.4.13, 2.3.7
Environment: hbase 2.4.13
Reporter: guluo
Attachments: 2023-05-11_001147.png
Following steps to reproduce:
# create table
{code:java}
create 'hbase_region_test', 'info', SPLITS => ['3', '7'] {code}
# write data
{code:java}
//代码占位符
put 'hbase_region_test', '10010', 'info:name', 'Tom'
put 'hbase_region_test', '20010', 'info:name', 'Tom'
put 'hbase_region_test', '30010', 'info:name', 'Tom'
put 'hbase_region_test', '40010', 'info:name', 'Tom'
put 'hbase_region_test', '50010', 'info:name', 'Tom'
put 'hbase_region_test', '60010', 'info:name', 'Tom'
put 'hbase_region_test', '70010', 'info:name', 'Tom'
put 'hbase_region_test', '80010', 'info:name', 'Tom'
put 'hbase_region_test', '90010', 'info:name', 'Tom' {code}
# closed a region of hbase_region_test !2023-05-11_001147.png!
# calling method HMaster.getCompactionState: At this step, we can trigger
this method to be called by opening hbase UI page about 'hbase_region_test'
table detailes and getting the compaction state of 'hbase_region_test' samply
# HMaster print NPE logs about HMaster.getCompactionState
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