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https://issues.apache.org/jira/browse/YARN-5472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15412163#comment-15412163
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Daniel Templeton commented on YARN-5472:
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It would appear you are correct. Have you tested it to confirm?
> WIN_MAX_PATH logic is off by one
> --------------------------------
>
> Key: YARN-5472
> URL: https://issues.apache.org/jira/browse/YARN-5472
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Affects Versions: 2.6.0
> Environment: Windows
> Reporter: Brook Zhou
> Assignee: Brook Zhou
> Priority: Minor
> Attachments: YARN-5472-v0.patch
>
>
> The following check is incorrect in DefaultContainerExecutor:
> if (Shell.WINDOWS && sb.getWrapperScriptPath().toString().length() >
> WIN_MAX_PATH)
> should be >=, as the max path is defined as "D:\some 256-character path
> string<NUL>" on Windows platforms.
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