HADOOP-11523. StorageException complaining " no lease ID" when updating FolderLastModifiedTime in WASB. Contributed by Duo Xu.

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -797,6 +797,9 @@ Release 2.7.0 - UNRELEASED
     HADOOP-11403. Avoid using sys_errlist on Solaris, which lacks support for it
     (Malcolm Kavalsky via Colin P. McCabe)
 
+    HADOOP-11523. StorageException complaining " no lease ID" when updating
+    FolderLastModifiedTime in WASB. (Duo Xu via cnauroth)
+
 Release 2.6.1 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azure/NativeAzureFileSystem.java

@@ -2040,7 +2040,37 @@ public class NativeAzureFileSystem extends FileSystem {
               createPermissionStatus(FsPermission.getDefault()));
         }
 
-        store.updateFolderLastModifiedTime(parentKey, null);
+        if (store.isAtomicRenameKey(parentKey)) {
+          SelfRenewingLease lease = null;
+          try {
+            lease = leaseSourceFolder(parentKey);
+            store.updateFolderLastModifiedTime(parentKey, lease);
+          } catch (AzureException e) {
+            String errorCode = "";
+            try {
+              StorageException e2 = (StorageException) e.getCause();
+              errorCode = e2.getErrorCode();
+            } catch (Exception e3) {
+              // do nothing if cast fails
+            }
+            if (errorCode.equals("BlobNotFound")) {
+              throw new FileNotFoundException("Folder does not exist: " + parentKey);
+            }
+            LOG.warn("Got unexpected exception trying to get lease on "
+                + parentKey + ". " + e.getMessage());
+            throw e;
+          } finally {
+            try {
+              if (lease != null) {
+                lease.free();
+              }
+            } catch (Exception e) {
+              LOG.error("Unable to free lease on " + parentKey, e);
+            }
+          }
+        } else {
+          store.updateFolderLastModifiedTime(parentKey, null);
+        }
       }
     }
   }