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https://issues.apache.org/jira/browse/HADOOP-18542?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17867118#comment-17867118
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ASF GitHub Bot commented on HADOOP-18542:
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mrcnc commented on PR #4262:
URL: https://github.com/apache/hadoop/pull/4262#issuecomment-2237657426
I ran into this earlier today and was initially confused b/c [the docs
mention that these
fields](https://hadoop.apache.org/docs/stable/hadoop-azure/abfs.html#Azure_Managed_Identity)
should be optional but my stack trace showed otherwise. I'd also be happy if
we can get this reviewed and merged 🙏
> Azure Token provider requires tenant and client IDs despite being optional
> --------------------------------------------------------------------------
>
> Key: HADOOP-18542
> URL: https://issues.apache.org/jira/browse/HADOOP-18542
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs/azure, hadoop-thirdparty
> Affects Versions: 3.3.2, 3.3.3, 3.3.4
> Reporter: Carl
> Priority: Major
> Labels: pull-request-available
>
> The `AbfsConfiguration` class requires that we provide a tenant and client ID
> when using the `MsiTokenProvider` class to fetch an authentication token. The
> bug is that those fields are not required by the Azure API, which can infer
> those fields when the call is made from an Azure instance.
> The fix is to make tenant and client ID optional when getting an Azure token
> from the Azure Metadata Service.
> A fix has been submitted here: [https://github.com/apache/hadoop/pull/4262]
> The bug was introduced with HADOOP-17725
> ([https://github.com/apache/hadoop/pull/3041/files])
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