manika137 commented on code in PR #8410:
URL: https://github.com/apache/hadoop/pull/8410#discussion_r3056014459


##########
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/AzureBlobFileSystemStore.java:
##########
@@ -422,17 +423,33 @@ private synchronized boolean 
getNamespaceEnabledInformationFromServer(
     } catch (AbfsRestOperationException ex) {
       // Get ACL status is a HEAD request, its response doesn't contain 
errorCode
       // So can only rely on its status code to determine account type.
-      if (HttpURLConnection.HTTP_BAD_REQUEST != ex.getStatusCode()) {
+      int status = ex.getStatusCode();
+      String message = ex.getMessage();
+
+      // Case 1: 409: Soft delete not supported
+      if (status == HttpURLConnection.HTTP_CONFLICT &&
+              message != null &&
+              message.contains(ERR_SOFT_DELETE_NOT_SUPPORTED)) {
+        /*
+         * HTTP_CONFLICT with soft delete not supported error indicates a FNS 
account.
+         * This occurs when:
+         * 1. FNS-Blob endpoint is used (used with DFS endpoint for getAcl 
call)
+         * 2. FNS-DFS endpoint is used (later internally converted to Blob)
+         * For both cases, namespace should be disabled. No need to throw 
exception.

Review Comment:
   Taken



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