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Posted to common-issues@hadoop.apache.org by "Sangjin Lee (JIRA)" <ji...@apache.org> on 2014/09/02 22:33:21 UTC

[jira] [Created] (HADOOP-11049) javax package system class default is too broad

Sangjin Lee created HADOOP-11049:
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             Summary: 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


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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