[ 
https://issues.apache.org/jira/browse/HIVE-26481?focusedWorklogId=802812&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-802812
 ]

ASF GitHub Bot logged work on HIVE-26481:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 23/Aug/22 11:36
            Start Date: 23/Aug/22 11:36
    Worklog Time Spent: 10m 
      Work Description: ayushtkn commented on code in PR #3531:
URL: https://github.com/apache/hive/pull/3531#discussion_r952495175


##########
ql/src/java/org/apache/hadoop/hive/ql/io/AcidUtils.java:
##########
@@ -1499,10 +1500,10 @@ private static ValidTxnList 
getValidTxnList(Configuration conf) {
   public static Map<Path, HdfsDirSnapshot> getHdfsDirSnapshotsForCleaner(final 
FileSystem fs, final Path path)
           throws IOException {
     Map<Path, HdfsDirSnapshot> dirToSnapshots = new HashMap<>();
-    Deque<RemoteIterator<FileStatus>> stack = new ArrayDeque<>();
-    stack.push(fs.listStatusIterator(path));
+    Deque<RemoteIterator<LocatedFileStatus>> stack = new ArrayDeque<>();
+    stack.push(FileUtils.listAndFilter (fs, path, true, acidHiddenFileFilter));

Review Comment:
   Earlier it was listStatusIterator, you changed it to listFiles with 
recursive, it won't be having directories now, empty directories and stuff like 
that will get completely skipped, I am not sure if you can do that. Lets not 
change the behaviour in this scope.



##########
standalone-metastore/metastore-common/src/main/java/org/apache/hadoop/hive/metastore/utils/FileUtils.java:
##########
@@ -654,4 +655,11 @@ void findNext() throws IOException {
       nextFile = null;
     }
   }
+
+  public static RemoteIterator<LocatedFileStatus> listAndFilter(FileSystem 
fileSystem, Path path, boolean recursive,
+                                                                PathFilter 
filter) throws IOException {
+    return  RemoteIterators.filteringRemoteIterator(
+            fileSystem.listFiles(path, recursive),
+            status -> filter.accept(status.getPath()));
+  }

Review Comment:
   Code isn't formatted. Use `eclipse-styles.xml` present in dev-support in 
hive repo to format the code





Issue Time Tracking
-------------------

    Worklog Id:     (was: 802812)
    Time Spent: 2.5h  (was: 2h 20m)

> Cleaner fails with FileNotFoundException
> ----------------------------------------
>
>                 Key: HIVE-26481
>                 URL: https://issues.apache.org/jira/browse/HIVE-26481
>             Project: Hive
>          Issue Type: Bug
>            Reporter: KIRTI RUGE
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 2.5h
>  Remaining Estimate: 0h
>
> The compaction fails when the Cleaner tried to remove a missing directory 
> from HDFS.
> {code:java}
> 2022-08-05 18:56:38,873 INFO org.apache.hadoop.hive.ql.txn.compactor.Cleaner: 
> [Cleaner-executor-thread-0]: Starting cleaning for 
> id:30,dbname:default,tableName:test_concur_compaction_minor,partName:null,state:�,type:MINOR,enqueueTime:0,start:0,properties:null,runAs:hive,tooManyAborts:false,hasOldAbort:false,highestWriteId:4,errorMessage:null,workerId:
>  null,initiatorId: null 2022-08-05 18:56:38,888 ERROR 
> org.apache.hadoop.hive.ql.txn.compactor.Cleaner: [Cleaner-executor-thread-0]: 
> Caught exception when cleaning, unable to complete cleaning of 
> id:30,dbname:default,tableName:test_concur_compaction_minor,partName:null,state:�,type:MINOR,enqueueTime:0,start:0,properties:null,runAs:hive,tooManyAborts:false,hasOldAbort:false,highestWriteId:4,errorMessage:null,workerId:
>  null,initiatorId: null java.io.FileNotFoundException: File 
> hdfs://ns1/warehouse/tablespace/managed/hive/test_concur_compaction_minor/.hive-staging_hive_2022-08-05_18-56-37_115_5049319600695911622-37
>  does not exist. at 
> org.apache.hadoop.hdfs.DistributedFileSystem$DirListingIterator.<init>(DistributedFileSystem.java:1275)
>  at 
> org.apache.hadoop.hdfs.DistributedFileSystem$DirListingIterator.<init>(DistributedFileSystem.java:1249)
>  at 
> org.apache.hadoop.hdfs.DistributedFileSystem$25.doCall(DistributedFileSystem.java:1194)
>  at 
> org.apache.hadoop.hdfs.DistributedFileSystem$25.doCall(DistributedFileSystem.java:1190)
>  at 
> org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
>  at 
> org.apache.hadoop.hdfs.DistributedFileSystem.listLocatedStatus(DistributedFileSystem.java:1208)
>  at org.apache.hadoop.fs.FileSystem.listLocatedStatus(FileSystem.java:2144) 
> at org.apache.hadoop.fs.FileSystem$5.handleFileStat(FileSystem.java:2332) at 
> org.apache.hadoop.fs.FileSystem$5.hasNext(FileSystem.java:2309) at 
> org.apache.hadoop.hive.ql.io.AcidUtils.getHdfsDirSnapshots(AcidUtils.java:1440)
>  at 
> org.apache.hadoop.hive.ql.txn.compactor.Cleaner.removeFiles(Cleaner.java:287) 
> at org.apache.hadoop.hive.ql.txn.compactor.Cleaner.clean(Cleaner.java:214) at 
> org.apache.hadoop.hive.ql.txn.compactor.Cleaner.lambda$run$0(Cleaner.java:114)
>  at 
> org.apache.hadoop.hive.ql.txn.compactor.CompactorUtil$ThrowingRunnable.lambda$unchecked$0(CompactorUtil.java:54)
>  at 
> java.base/java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1736)
>  at 
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
>  at 
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
>  at java.base/java.lang.Thread.run(Thread.java:834){code}



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