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Posted to dev@kafka.apache.org by "Jun Rao (JIRA)" <ji...@apache.org> on 2016/07/08 19:48:12 UTC

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

Jun Rao created KAFKA-3940:
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             Summary: 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


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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