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https://issues.apache.org/jira/browse/SENTRY-1993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16209708#comment-16209708
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Misha Dmitriev commented on SENTRY-1993:
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[~spena] [[email protected]] I am not sure whether you mean the same thing as
me, but anyway: turns out that if I disable my patch (comment out the
{{!tChildPathElement.isEmpty()}} check), the new test (a path that contains the
forbidden "//" substring) still works. So I am not sure now how to reproduce
the condition which caused the old code to fail. Please advise.
> StringIndexOutOfBoundsException in HMSPathsDumper.java
> ------------------------------------------------------
>
> Key: SENTRY-1993
> URL: https://issues.apache.org/jira/browse/SENTRY-1993
> Project: Sentry
> Issue Type: Bug
> Reporter: Misha Dmitriev
> Assignee: Misha Dmitriev
> Attachments: SENTRY-1993.01.patch
>
>
> The following line in HMSPathsDumper.java is causing
> StringIndexOutOfBoundsException:
> {code}
> if (tChildPathElement.charAt(0) == DupDetector.REPLACEMENT_STRING_PREFIX) {
> {code}
> It only happens when a path element is "", when someone mistakenly specifies
> hdfs path with two "/" in the path section, like
> hdfs://server//element1//element2, instead of
> hdfs://server/element1/element2. In principle, such paths are invalid, but
> this code should be made resistant to them anyway.
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