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https://issues.apache.org/jira/browse/HADOOP-19577?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18093455#comment-18093455
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arun kumar edited comment on HADOOP-19577 at 7/3/26 2:21 PM:
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Hi Hadoop team,
I would like to work on this issue as my first contribution to Apache Hadoop.
Could a committer please grant me the Contributor role for the HADOOP project
and assign this ticket to me?
My ASF Jira username is: *arunkkumar*
I've reproduced the bug on the latest trunk and prepared a safe, targeted fix
in {{FileSystem.checkPath(...)}} that adds a diagnostic hint when a stray
{{//}} causes {{java.net.URI}} to drop the path's authority (see HADOOP-8087).
The primary "Wrong FS" message is preserved for backward compatibility; the
hint is appended only when the fingerprint (path URI has a scheme, null
authority; FileSystem has a non-null authority) matches, avoiding false
positives on ordinary scheme/host mismatches. Unit tests have been
added/updated accordingly.
Once assigned, I'll open the PR and link it here.
Thanks!
was (Author: JIRAUSER313634):
Hello [~ganeshas] I would like to work on this issue. Could you please grant me
the Contributor role for the HADOOP project and assign this ticket to me? My
ASF Jira username is: arunkkumar I have reproduced the bug on the latest trunk
and prepared a safe, targeted fix in FileSystem.checkPath(...) that adds a
helpful diagnostic hint when a stray '//' drops the path's authority. I have
also updated the unit tests and am ready to submit a Pull Request. Thanks!
> Improve error message when the path contains double slash without a preceding
> authority or bucket name
> ------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-19577
> URL: https://issues.apache.org/jira/browse/HADOOP-19577
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Ganesha S
> Priority: Minor
>
> Currently, we display the following error message when a path contains a
> double slash without a preceding authority or bucket name.
> {code:java}
> java.lang.IllegalArgumentException: Wrong FS: s3://test_file.json.gz,
> expected: s3://test_bucket/ at
> org.apache.hadoop.fs.FileSystem.checkPath(FileSystem.java:824) at
> org.apache.hadoop.fs.FileSystem.makeQualified(FileSystem.java:683){code}
> The path used in the above case is s3://test_bucket{*}//{*}test_file.json.gz.
> It is expected that Hadoop will treat the path name preceding the double
> slash (//) as a bucket or authority because, according to HADOOP-8087, a
> relative reference that begins with two slash characters is termed a
> network-path reference.
> Created this Jira to evaluate printing the full path in the error message or
> to revise the error message when the path contains a double slash without a
> preceding authority or bucket name for easier debugging.
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