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From "Sangjin Lee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5878) some standard JDK APIs are not part of system classes defaults
Date Sat, 10 May 2014 22:00:50 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5878?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13994090#comment-13994090

Sangjin Lee commented on MAPREDUCE-5878:

This could in theory cause issues in areas such as jaxb.

> some standard JDK APIs are not part of system classes defaults
> --------------------------------------------------------------
>                 Key: MAPREDUCE-5878
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5878
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 2.4.0
>            Reporter: Sangjin Lee
>            Assignee: Sangjin Lee
> There are some standard JDK APIs that are not part of the mapreduce.job.classloader.system.classes
property value.
> Currently the default value covers only "java.,javax." from the JDK. However, there are
other APIs that are as well-established as these, such as org.w3c.dom and org.xml.sax. In
other similar systems (e.g. OSGi), it is a standard practice to include both of these packages
in the system classes. We should add these to the default values.

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