tianhang tang created HBASE-27595:
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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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