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https://issues.apache.org/jira/browse/HADOOP-19681?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18022465#comment-18022465
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ASF GitHub Bot commented on HADOOP-19681:
-----------------------------------------
steveloughran commented on PR #7942:
URL: https://github.com/apache/hadoop/pull/7942#issuecomment-3329432114
@raphaelazzolini
> AWS has confirmed they will continue supporting buckets with dots in their
names through virtual hosted-style URLs due to customer feedback and
compatibility requirements.
OK. main issue is that there may be existing code which cares about hostname
and may not look at FQDN for differencing names. I can't think of any right now
-bucket names which don't map to valid hostnames are more a pain point
> Fix S3A failing to initialize S3 buckets having namespace with dot followed
> by number
> -------------------------------------------------------------------------------------
>
> Key: HADOOP-19681
> URL: https://issues.apache.org/jira/browse/HADOOP-19681
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs/s3
> Reporter: Syed Shameerur Rahman
> Assignee: Syed Shameerur Rahman
> Priority: Major
> Labels: pull-request-available
>
> S3A fails to initialize when S3 bucket namespace is having dot followed by a
> number.
> {*}Specific Problem{*}: URI parsing fails when S3 bucket names contain a dot
> followed by a number (like {{{}bucket-v1.1-us-east-1{}}}). Java's
> URI.getHost() method incorrectly interprets the dot-number pattern as a port
> specification, causing it to return null.
>
> {{}}
> {code:java}
> hadoop dfs -ls s3a://bucket-v1.1-us-east-1/
> WARNING: Use of this script to execute dfs is deprecated.
> WARNING: Attempting to execute replacement "hdfs dfs" instead.
> 2025-09-08 06:13:06,670 WARN fs.FileSystem: Failed to initialize filesystem
> s3://bucket-v1.1-us-east-1/: java.lang.IllegalArgumentException: bucket is
> null/empty
> -ls: bucket is null/empty{code}
>
> {*}Please Note{*}: Although there has been discussion on not allowing S3
> buckets with such a namespace
> ([https://aws.amazon.com/blogs/aws/amazon-s3-path-deprecation-plan-the-rest-of-the-story/])
> , Amazon S3 still allows you to create a bucket with such a namespace.
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