manika137 commented on code in PR #7496:
URL: https://github.com/apache/hadoop/pull/7496#discussion_r2007025706
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hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/services/AbfsBlobClient.java:
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@@ -1528,10 +1528,31 @@ public AbfsRestOperation deleteBlobPath(final Path
blobPath,
*/
@Override
public boolean checkIsDir(AbfsHttpOperation result) {
- String resourceType = result.getResponseHeader(X_MS_META_HDI_ISFOLDER);
+ String dirHeaderName = getHeaderNameIgnoreCase(result,
X_MS_META_HDI_ISFOLDER);
+ // If the header is not found, return false (not a directory)
+ if (dirHeaderName == null) {
+ return false;
+ }
+
+ String resourceType = result.getResponseHeader(dirHeaderName);
return resourceType != null && resourceType.equals(TRUE);
Review Comment:
Since getResponseHeader method returns either empty string or true- should
we check for resourceType != EMPTY_STRING instead of null?
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