[jira] [Commented] (HBASE-26775) TestProcedureSchedulerConcurrency fails in pre commit

["Konstantin Ryakhovskiy (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-26775?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17575271#comment-17575271 ] 

Konstantin Ryakhovskiy commented on HBASE-26775:
------------------------------------------------

hi, which branch is impacted?

can you please share a link to the build result?

thanks

> TestProcedureSchedulerConcurrency fails in pre commit
> -----------------------------------------------------
>
>                 Key: HBASE-26775
>                 URL: https://issues.apache.org/jira/browse/HBASE-26775
>             Project: HBase
>          Issue Type: Bug
>          Components: proc-v2, test
>            Reporter: Duo Zhang
>            Priority: Major
>
> Saw this on the jenkins page. Seems like a test issue.
> {noformat}
> 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)
> {noformat}



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