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https://issues.apache.org/jira/browse/KAFKA-3940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15368797#comment-15368797
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Ismael Juma commented on KAFKA-3940:
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I think we should just change all usages of File.mkdirs() to 
Files.createDirectory(). And similarly for `File.delete` versus `Files.delete`.

> Log should check the return value of dir.mkdirs()
> -------------------------------------------------
>
>                 Key: KAFKA-3940
>                 URL: https://issues.apache.org/jira/browse/KAFKA-3940
>             Project: Kafka
>          Issue Type: Bug
>          Components: log
>    Affects Versions: 0.10.0.0
>            Reporter: Jun Rao
>            Assignee: Ishita Mandhan
>              Labels: newbie
>
> In Log.loadSegments(), we call dir.mkdirs() w/o checking the return value and 
> just assume the directory will exist after the call. However, if the 
> directory can't be created (e.g. due to no space), we will hit 
> NullPointerException in the next statement, which will be confusing.
>    for(file <- dir.listFiles if file.isFile) {



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