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Posted to dev@kafka.apache.org by "Jun Rao (JIRA)" <ji...@apache.org> on 2016/07/08 19:51:11 UTC

[jira] [Updated] (KAFKA-3940) Log should check the return value of dir.mkdirs()

     [ https://issues.apache.org/jira/browse/KAFKA-3940?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jun Rao updated KAFKA-3940:
---------------------------
    Labels: newbie  (was: )

> 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
>              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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