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https://issues.apache.org/jira/browse/HADOOP-19494?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17939697#comment-17939697
]
ASF GitHub Bot commented on HADOOP-19494:
-----------------------------------------
bhattmanish98 commented on code in PR #7496:
URL: https://github.com/apache/hadoop/pull/7496#discussion_r2021072904
##########
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/services/AbfsBlobClient.java:
##########
@@ -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 it was an existing line of code, I didn’t change it. However, it does
make sense to remove this null check.
> ABFS: Fix Case Sensitivity Issue for hdi_isfolder metadata
> ----------------------------------------------------------
>
> Key: HADOOP-19494
> URL: https://issues.apache.org/jira/browse/HADOOP-19494
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/azure
> Affects Versions: 3.5.0
> Reporter: Manish Bhatt
> Assignee: Manish Bhatt
> Priority: Major
> Labels: pull-request-available
>
> In the blob endpoint, we determine whether the path is a file, or a directory
> based on the metadata attribute hdi_isfolder. When creating a directory, we
> set hdi_isfolder to true. Currently, our method for checking if the path is a
> directory involves a case-sensitive equality check. Consequently, if someone
> configures a directory with Hdi_isfolder, the driver will not recognize that
> path as a directory. We need to address this issue because, in the backend,
> hdi_isfolder and Hdi_isfolder are considered the same metadata attribute.
> Therefore, the solution involves modifying our equality check to be
> case-insensitive, ensuring that the driver correctly identifies directories
> regardless of case variations in the metadata attribute.
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