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https://issues.apache.org/jira/browse/YARN-8918?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16657004#comment-16657004
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Wangda Tan commented on YARN-8918:
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[~tangzhankun],
I think the correct logic should be:
{code:java}
if (resourcesStr.endsWith("]")) {
resourcesStr = resourcesStr.substring(0, resourcesStr.length() - 1);
}{code}
> [Submarine] Remove redundant method of str.subString(0, str.length())
> ---------------------------------------------------------------------
>
> Key: YARN-8918
> URL: https://issues.apache.org/jira/browse/YARN-8918
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Zhankun Tang
> Assignee: Zhankun Tang
> Priority: Minor
> Attachments: YARN-8918-trunk.001.patch
>
>
> In CliUtils.java (line 74), there's redundant code block that can be removed:
> {code:java}
> if (resourcesStr.endsWith("]")) {
> resourcesStr = resourcesStr.substring(0, resourcesStr.length());
> }{code}
> Above if block will execute "resourceStr = resourceStr".
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