tianhang tang created HBASE-27602:
-------------------------------------

             Summary: Remove the impact of operating env on testHFileCleaning
                 Key: HBASE-27602
                 URL: https://issues.apache.org/jira/browse/HBASE-27602
             Project: HBase
          Issue Type: Bug
          Components: test
            Reporter: tianhang tang
            Assignee: tianhang tang


TestHFileCleaner#testHFileCleaning failed on my local, with this error:

{code:java}
2023-01-31T19:05:14,453 ERROR [hfile_cleaner-dir-scan-pool-0] 
mob.ManualMobMaintHFileCleaner(87): Failed to determine mob status of 
'hdfs://localhost:59285/user/tianhang.tang/test-data/01a0d8a0-6306-7725-b63a-5debcab8cf57/archive/someHFileThatWouldBeAUUID.1675163114186',
 keeping it just in case.
java.lang.IllegalArgumentException: Illegal character <.> at 8. Namespaces may 
only contain 'alphanumeric characters' from any language and digits: 
tianhang.tang
        at 
org.apache.hadoop.hbase.TableName.isLegalNamespaceName(TableName.java:221) 
~[classes/:?]
        at 
org.apache.hadoop.hbase.TableName.isLegalNamespaceName(TableName.java:196) 
~[classes/:?]
        at org.apache.hadoop.hbase.TableName.<init>(TableName.java:316) 
~[classes/:?]
        at 
org.apache.hadoop.hbase.TableName.createTableNameIfNecessary(TableName.java:349)
 ~[classes/:?]
        at org.apache.hadoop.hbase.TableName.valueOf(TableName.java:387) 
~[classes/:?]
        at 
org.apache.hadoop.hbase.util.CommonFSUtils.getTableName(CommonFSUtils.java:440) 
~[classes/:?]
        at 
org.apache.hadoop.hbase.mob.ManualMobMaintHFileCleaner.isFileDeletable(ManualMobMaintHFileCleaner.java:62)
 ~[classes/:?]
        at 
org.apache.hbase.thirdparty.com.google.common.collect.Iterators$5.computeNext(Iterators.java:673)
 ~[hbase-shaded-miscellaneous-4.1.4.jar:4.1.4]
        at 
org.apache.hbase.thirdparty.com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:146)
 ~[hbase-shaded-miscellaneous-4.1.4.jar:4.1.4]
        at 
org.apache.hbase.thirdparty.com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:141)
 ~[hbase-shaded-miscellaneous-4.1.4.jar:4.1.4]
        at 
org.apache.hbase.thirdparty.com.google.common.collect.Iterators$ConcatenatedIterator.hasNext(Iterators.java:1391)
 ~[hbase-shaded-miscellaneous-4.1.4.jar:4.1.4]
        at 
org.apache.hadoop.hbase.master.cleaner.HFileCleaner.deleteFiles(HFileCleaner.java:194)
 ~[classes/:?]
        at 
org.apache.hadoop.hbase.master.cleaner.CleanerChore.checkAndDeleteFiles(CleanerChore.java:391)
 ~[classes/:?]
        at 
org.apache.hadoop.hbase.master.cleaner.CleanerChore.lambda$traverseAndDelete$1(CleanerChore.java:483)
 ~[classes/:?]
        at 
org.apache.hadoop.hbase.master.cleaner.CleanerChore.deleteAction(CleanerChore.java:565)
 ~[classes/:?]
        at 
org.apache.hadoop.hbase.master.cleaner.CleanerChore.traverseAndDelete(CleanerChore.java:483)
 ~[classes/:?]
        at 
org.apache.hadoop.hbase.master.cleaner.CleanerChore.lambda$chore$0(CleanerChore.java:258)
 ~[classes/:?]
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) 
~[?:?]
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) 
~[?:?]
        at java.lang.Thread.run(Thread.java:833) ~[?:?]
{code}

That's because the mocked dir is too simple, need to add a whole 
namespace/table/region path.




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