[HBASE-27064] CME in TestRegionNormalizerWorkQueue

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.5.0
• Fix Version/s: 2.5.0, 3.0.0-alpha-3
• Component/s: test
• Hadoop Flags: Reviewed
• Assignee: Andrew Kyle Purtell
• Reporter: Andrew Kyle Purtell
• Created: 26/May/22 05:21
• Updated: 24/Oct/22 20:53
• Resolved: 31/May/22 18:38

Description

FAILURE! - in org.apache.hadoop.hbase.master.normalizer.TestRegionNormalizerWorkQueue

[ERROR] org.apache.hadoop.hbase.master.normalizer.TestRegionNormalizerWorkQueue.testTake  Time elapsed: 0.065 s  <<< ERROR!
java.util.concurrent.ExecutionException: java.util.ConcurrentModificationException
	at java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:357)
	at java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1928)
	at org.apache.hadoop.hbase.master.normalizer.TestRegionNormalizerWorkQueue.testTake(TestRegionNormalizerWorkQueue.java:211)
Caused by: java.util.ConcurrentModificationException
	at java.util.LinkedHashMap$LinkedHashIterator.nextNode(LinkedHashMap.java:719)
	at java.util.LinkedHashMap$LinkedKeyIterator.next(LinkedHashMap.java:742)
	at org.apache.hadoop.hbase.master.normalizer.RegionNormalizerWorkQueue.take(RegionNormalizerWorkQueue.java:192)
	at org.apache.hadoop.hbase.master.normalizer.TestRegionNormalizerWorkQueue.lambda$testTake$3(TestRegionNormalizerWorkQueue.java:192)
	at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1640)
	at java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1632)
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056)
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692)
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:175)

Issue Links

• links to: GitHub Pull Request #4468

Sub-Tasks

• Backport HBASE-27064 to branch 2.4: Resolved