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From "Wei-Chiu Chuang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-12615) Fix NPE in MiniKMS.start()
Date Wed, 16 Dec 2015 19:33:46 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-12615?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Wei-Chiu Chuang updated HADOOP-12615:
    Attachment: HADOOP-12615.006.patch

Fixed the bug discovered by Zhe. Also, did a refactoring in MiniKMS which uses a private helper
method to error-handle copying resource input stream in a consistent manner. 

Similarly, created a convenient method getResourceAsStream() in MiniKdc to get resource as
stream (basically, replicate ThreadUtil.getResourceAsStream(), because MiniKdc does not depend
on Hadoop)

> Fix NPE in MiniKMS.start()
> --------------------------
>                 Key: HADOOP-12615
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12615
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: kms, test
>    Affects Versions: 3.0.0
>            Reporter: Wei-Chiu Chuang
>            Assignee: Wei-Chiu Chuang
>            Priority: Minor
>              Labels: jenkins, supportability, test
>         Attachments: HADOOP-12615.001.patch, HADOOP-12615.002.patch, HADOOP-12615.003.patch,
HADOOP-12615.004.patch, HADOOP-12615.005.patch, HADOOP-12615.006.patch
> Sometimes, KMS resource file can not be loaded. When this happens, an InputStream variable
will be a null pointer which will subsequently throw NPE.
> This is a supportability JIRA that makes the error message more explicit, and explain
why NPE is thrown. Ultimately, leads us to understand why the resource files can not be loaded.

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