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https://issues.apache.org/jira/browse/HADOOP-12954?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15207529#comment-15207529
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Chris Nauroth commented on HADOOP-12954:
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Thanks, Robert. I think this makes sense. I guess the new
{{SecurityUtil#setConfiguration}} call would have to be wired into the MR AM.
If you weren't planning on doing that within the scope of this issue, then
maybe it makes more sense to keep both open instead of resolving one as
duplicate of another.
bq. Though for MAPREDUCE-6565, why can't you have a core-site.xml added via
mapreduce.application.classpath?
You can, but when I filed MAPREDUCE-6565, I was asserting that you shouldn't
have to do this. The behavior is different from a lot of other things in that
the correct value of use_ip doesn't propagate down via the submitted job.xml.
> Add a way to change hadoop.security.token.service.use_ip
> --------------------------------------------------------
>
> Key: HADOOP-12954
> URL: https://issues.apache.org/jira/browse/HADOOP-12954
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 2.6.0
> Reporter: Robert Kanter
> Assignee: Robert Kanter
> Attachments: HADOOP-12954.001.patch
>
>
> Currently, {{hadoop.security.token.service.use_ip}} is set on JVM startup via:
> {code:java}
> static {
> Configuration conf = new Configuration();
> boolean useIp = conf.getBoolean(
> CommonConfigurationKeys.HADOOP_SECURITY_TOKEN_SERVICE_USE_IP,
> CommonConfigurationKeys.HADOOP_SECURITY_TOKEN_SERVICE_USE_IP_DEFAULT);
> setTokenServiceUseIp(useIp);
> }
> {code}
> This is a problem for clients, such as Oozie, who don't add *-site.xml files
> to their classpath. Oozie normally creates a {{JobClient}} and passes a
> {{Configuration}} to it with the proper configs we need. However, because
> {{hadoop.security.token.service.use_ip}} is specified in a static block like
> this, and there's no API to change it, Oozie has no way to set it to the
> non-default value.
> I propose we add a {{setConfiguration}} method which takes a
> {{Configuration}} and rereads {{hadoop.security.token.service.use_ip}}.
> There's a few other properties that are also loaded statically on startup
> that can be reloaded here as well.
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