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From "jay vyas (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-11072) better Logging in DNS.java
Date Sat, 06 Sep 2014 01:21:28 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-11072?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

jay vyas updated HADOOP-11072:
------------------------------
    Component/s: net

> better Logging in  DNS.java
> ---------------------------
>
>                 Key: HADOOP-11072
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11072
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: net
>    Affects Versions: 2.3.0, 2.4.0
>            Reporter: jay vyas
>            Priority: Minor
>              Labels: logging
>
> The DNS.java class should be more informative, and possibly fail early when reverse 
DNS is broken.  Right now it is vulnerable to a cryptic ArrayIndex exception.
> {noformat}
> parts = hostIp.getHostAddress(....)
> String reverseIp = parts[3] + parts[2] ... 
> {noformat}
> During this patch I think we can also improve a couple other minor logging statements
in the net package.



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