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From "Sangjin Lee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11049) javax package system class default is too broad
Date Fri, 05 Sep 2014 19:49:28 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11049?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14123465#comment-14123465
] 

Sangjin Lee commented on HADOOP-11049:
--------------------------------------

The test failure appears unrelated with the patch.

> javax package system class default is too broad
> -----------------------------------------------
>
>                 Key: HADOOP-11049
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11049
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: util
>    Affects Versions: 2.6.0
>            Reporter: Sangjin Lee
>            Assignee: Sangjin Lee
>            Priority: Minor
>         Attachments: HADOOP-11049.patch, HADOOP-11049.patch
>
>
> The system class default defined in ApplicationClassLoader has "javax.". This is too
broad. The intent of the system classes is to exempt classes that are provided by the JDK
along with hadoop and minimally necessary dependencies that are guaranteed to be on the system
classpath. "javax." is too broad for that.
> For example, JSR-330 which is part of JavaEE (not JavaSE) has "javax.inject". Packages
like them should not be declared as system classes, as they will result in ClassNotFoundException
if they are needed and present on the user classpath.



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