[HBASE-26775] TestProcedureSchedulerConcurrency fails in pre commit

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.5.0, 2.4.14
• Component/s: proc-v2, test
• Hadoop Flags: Reviewed
• Assignee: Konstantin Ryakhovskiy
• Reporter: Duo Zhang
• Created: 27/Feb/22 07:56
• Updated: 09/Aug/22 19:49
• Resolved: 08/Aug/22 10:12

Description

Saw this on the jenkins page. Seems like a test issue.

Exception in thread "Thread-10" java.util.ConcurrentModificationException
	at java.base/java.util.ArrayDeque.nonNullElementAt(ArrayDeque.java:271)
	at java.base/java.util.ArrayDeque$DeqIterator.next(ArrayDeque.java:701)
	at java.base/java.util.AbstractCollection.toString(AbstractCollection.java:472)
	at java.base/java.lang.String.valueOf(String.java:2951)
	at java.base/java.lang.StringBuilder.append(StringBuilder.java:168)
	at org.apache.hadoop.hbase.procedure2.ProcedureEvent.toString(ProcedureEvent.java:134)
	at java.base/java.lang.String.valueOf(String.java:2951)
	at java.base/java.lang.StringBuilder.append(StringBuilder.java:168)
	at org.apache.hadoop.hbase.procedure2.TestProcedureSchedulerConcurrency$2.run(TestProcedureSchedulerConcurrency.java:130)

Issue Links

• is related to: HBASE-26723 Switch to use log4j2.properties file to configure log4j2
• links to: GitHub Pull Request #4681