steveloughran commented on a change in pull request #1925:
URL: https://github.com/apache/hadoop/pull/1925#discussion_r599840802



##########
File path: 
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/services/AbfsLease.java
##########
@@ -88,6 +88,12 @@ public AbfsLease(AbfsClient client, String path) throws 
AzureBlobFileSystemExcep
     acquireLease(retryPolicy, 0, 0);
 
     while (leaseID == null && exception == null) {
+      try {
+        future.get();
+      } catch (Exception e) {
+        LOG.debug("Got exception waiting for acquire lease future. Checking if 
lease ID or "
+            + "exception have been set", e);
+      }

Review comment:
       if this raises an exception, is there any way the while loop will exit? 




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