[jira] [Created] (HBASE-27595) ThreadGroup is removed since Hadoop 3.2.4

["tianhang tang (Jira)" <ji...@apache.org>]

tianhang tang created HBASE-27595:
-------------------------------------

             Summary: ThreadGroup is removed since Hadoop 3.2.4
                 Key: HBASE-27595
                 URL: https://issues.apache.org/jira/browse/HBASE-27595
             Project: HBase
          Issue Type: Test
            Reporter: tianhang tang
            Assignee: tianhang tang


Found lots of WARNING in UT log:
{code:java}
2023-01-26T05:26:18,869 WARN  [FsDatasetAsyncDiskServiceFixer] hbase.HBaseTestingUtil$FsDatasetAsyncDiskServiceFixer(617): failed to reset thread pool timeout for FsDatasetAsyncDiskService
java.lang.NoSuchFieldException: threadGroup
	at java.lang.Class.getDeclaredField(Class.java:2411) ~[?:?]
	at org.apache.hadoop.hbase.HBaseTestingUtil$FsDatasetAsyncDiskServiceFixer.run(HBaseTestingUtil.java:609) ~[test-classes/:?]
{code}

FsDatasetAsyncDiskServiceFixer is introduced by [HBASE-27148|https://issues.apache.org/jira/browse/HBASE-27148], to prevent unexpected kill.

But Hadoop 3.2.4 has fixed this issue [HDFS-16586|https://issues.apache.org/jira/browse/HDFS-16586] and for now HBase use 3.2.4 on branch master.

So I think maybe can remove these code.




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