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Posted to mapreduce-issues@hadoop.apache.org by "Sangjin Lee (JIRA)" <ji...@apache.org> on 2014/06/20 19:29:25 UTC

[jira] [Commented] (MAPREDUCE-5878) some standard JDK APIs are not part of system classes defaults

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5878?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14039065#comment-14039065 ] 

Sangjin Lee commented on MAPREDUCE-5878:
----------------------------------------

Ping?

> 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
>         Attachments: MAPREDUCE-5878.patch
>
>
> 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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