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https://issues.apache.org/jira/browse/SPARK-39296?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-39296.
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Fix Version/s: 3.4.0
Resolution: Fixed
Issue resolved by pull request 36677
[https://github.com/apache/spark/pull/36677]
> Replcace `Array.toString` with `Array.mkString`
> -----------------------------------------------
>
> Key: SPARK-39296
> URL: https://issues.apache.org/jira/browse/SPARK-39296
> Project: Spark
> Issue Type: Bug
> Components: Spark Core, SQL
> Affects Versions: 3.4.0
> Reporter: Yang Jie
> Assignee: Yang Jie
> Priority: Minor
> Fix For: 3.4.0
>
>
> Some code in Spark as follows:
> {code:java}
> val appDirs = workDir.listFiles()
> if (appDirs == null) {
> throw new IOException("ERROR: Failed to list files in " + appDirs)
> } {code}
> appDirs is an `Array` and `Array.toString` will print as
> `className#hashCode`, this result seems meaningless and Array.mkString
> should be used.
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