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https://issues.apache.org/jira/browse/HADOOP-15809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16638705#comment-16638705
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Da Zhou commented on HADOOP-15809:
----------------------------------
Submitting 002 patch:
- Added missing java doc.
> ABFS: better exception handling when making getAccessToken call
> ---------------------------------------------------------------
>
> Key: HADOOP-15809
> URL: https://issues.apache.org/jira/browse/HADOOP-15809
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/azure
> Affects Versions: 3.2.0
> Reporter: Da Zhou
> Assignee: Da Zhou
> Priority: Major
> Attachments: HADOOP-15809-001.patch, HADOOP-15809-002.patch
>
>
> Currently in *getTokenSingleCall()*: if it get a HTTP failure response, it
> tries to consume inputStream in httpUrlConnection, which will *always* lead
> to an *IOException* and this exception never get checked in
> *AzureADAuthenticator*.
> As a result the httpStatus code is never checked in the retry policy of
> AzureADAuthenticator. Tthat IOException will be caught by AbfsRestOperation,
> which will keep on retrying.
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