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https://issues.apache.org/jira/browse/HADOOP-19103?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18023938#comment-18023938
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ASF GitHub Bot commented on HADOOP-19103:
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github-actions[bot] closed pull request #6615: HADOOP-19103 : Add logic for
verifying that the STS URL is in the correct format
URL: https://github.com/apache/hadoop/pull/6615
> Add logic for verifying that the STS URL is in the correct format
> -----------------------------------------------------------------
>
> Key: HADOOP-19103
> URL: https://issues.apache.org/jira/browse/HADOOP-19103
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs/s3
> Reporter: Narayanan Venkateswaran
> Priority: Minor
> Labels: pull-request-available
>
> * At present an invalid URL can be supplied as an STS endpoint. It will
> attempt to create an STSClient with it and then fail with,
> {quote}java.net.UnknownHostException: request session credentials:
> software.amazon.awssdk.core.exception.SdkClientException: Received an
> UnknownHostException when attempting to interact with a service. See cause
> for the exact endpoint that is failing to resolve. If this is happening on an
> endpoint that previously worked, there may be a network connectivity issue or
> your DNS cache could be storing endpoints for too long.:
> software.amazon.awssdk.core.exception.SdkClientException: Received an
> UnknownHostException when attempting to interact with a service. See cause
> for the exact endpoint that is failing to resolve. If this is happening on an
> endpoint that previously worked, there may be a network connectivity issue or
> your DNS cache could be storing endpoints for too long.: https
> {quote} * This is inefficient. An invalid URL can be parsed much earlier and
> can be failed based on the URL format itself.
> * The error message is not very clear and does not indicate a problem in the
> URL format.
> * In this Jira issue, we attempt to parse the STS URL and fail fast with a
> more relevant error message.
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