ChenSammi commented on code in PR #11021:
URL: https://github.com/apache/ozone/pull/11021#discussion_r3813478215


##########
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/service/KeyLifecycleService.java:
##########
@@ -1536,19 +1544,20 @@ public OzoneManagerProtocolProtos.OMResponse run() 
throws Exception {
       }
     }
 
-    private void moveToTrash(OmBucketInfo bucket, LimitedExpiredObjectList 
keysList, boolean isDir) {
+    private int moveToTrash(OmBucketInfo bucket, LimitedExpiredObjectList 
keysList, boolean isDir) {
       if (keysList.isEmpty()) {
-        return;
+        return 0;
       }
+      int failedMoves = 0;
       String volumeName = bucket.getVolumeName();
       String bucketName = bucket.getBucketName();
       String trashRoot = TRASH_PREFIX + OM_KEY_PREFIX + bucket.getOwner();
       Path trashCurrent = new Path(trashRoot, CURRENT);
       try {
         checkAndCreateTrashDirIfNeeded(bucket, trashCurrent);
       } catch (IOException e) {
-        keysList.clear();
-        return;
+        LOG.error("Failed to prepare trash root {} for bucket {}/{}", 
trashCurrent, volumeName, bucketName, e);

Review Comment:
   @aryangupta1998 , thanks for working on the error handling improvement. 
   
   If Trash root cannot be created, let's just throw out the exception all the 
way to the task, and abort the whole task. 



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