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HBASE-27859:HMaster.getCompactionState can happen NPE when region state is closed #5232

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merged 5 commits into from
Jul 6, 2023
Merged

HBASE-27859:HMaster.getCompactionState can happen NPE when region state is closed #5232

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4f52554
Solve HMaster.getCompactionState NPE issue
guluo2016 May 11, 2023
175d330
Just skip the region if it is not online.
guluo2016 May 13, 2023
4e393de
fix style issue
guluo2016 May 17, 2023
c43d660
Use parameterised logging and change the log level to WARN
guluo2016 May 31, 2023
de292d0
update logs
guluo2016 Jun 2, 2023
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29 changes: 18 additions & 11 deletions hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
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Original file line number Diff line number Diff line change
Expand Up @@ -4155,18 +4155,25 @@ public CompactionState getCompactionState(final TableName tableName) {
continue;
}
RegionMetrics regionMetrics = sl.getRegionMetrics().get(regionInfo.getRegionName());
if (regionMetrics.getCompactionState() == CompactionState.MAJOR) {
if (compactionState == CompactionState.MINOR) {
compactionState = CompactionState.MAJOR_AND_MINOR;
} else {
compactionState = CompactionState.MAJOR;
}
} else if (regionMetrics.getCompactionState() == CompactionState.MINOR) {
if (compactionState == CompactionState.MAJOR) {
compactionState = CompactionState.MAJOR_AND_MINOR;
} else {
compactionState = CompactionState.MINOR;
if (regionMetrics != null) {
if (regionMetrics.getCompactionState() == CompactionState.MAJOR) {
if (compactionState == CompactionState.MINOR) {
compactionState = CompactionState.MAJOR_AND_MINOR;
} else {
compactionState = CompactionState.MAJOR;
}
} else if (regionMetrics.getCompactionState() == CompactionState.MINOR) {
if (compactionState == CompactionState.MAJOR) {
compactionState = CompactionState.MAJOR_AND_MINOR;
} else {
compactionState = CompactionState.MINOR;
}
}
} else {
String getCompactionDetailsErrorMsg = String.format("Can not get compaction details for region: %s, it may be disabled or in transition.",
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regionInfo.getRegionNameAsString());
LOG.error(getCompactionDetailsErrorMsg);
throw new Exception(getCompactionDetailsErrorMsg);
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}
}
} catch (Exception e) {
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