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Posted to hdfs-issues@hadoop.apache.org by "Arpit Agarwal (JIRA)" <ji...@apache.org> on 2018/10/22 00:21:00 UTC
[jira] [Comment Edited] (HDDS-707) Allow registering MBeans without
additional jmx properties
[ https://issues.apache.org/jira/browse/HDDS-707?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16658450#comment-16658450 ]
Arpit Agarwal edited comment on HDDS-707 at 10/22/18 12:20 AM:
---------------------------------------------------------------
v03 patch:
- Improve comments a bit.
- Fix a bug in earlier patches.
was (Author: arpitagarwal):
v03 patch:
- Improve comments a bit.
> Allow registering MBeans without additional jmx properties
> ----------------------------------------------------------
>
> Key: HDDS-707
> URL: https://issues.apache.org/jira/browse/HDDS-707
> Project: Hadoop Distributed Data Store
> Issue Type: Improvement
> Components: OM, Ozone Datanode, SCM
> Reporter: Arpit Agarwal
> Assignee: Arpit Agarwal
> Priority: Blocker
> Attachments: HDDS-707.01.patch, HDDS-707.02.patch, HDDS-707.03.patch
>
>
> HDDS and Ozone use the MBeans.register overload added by HADOOP-15339. This is missing in Apache Hadoop 3.1.0 and earlier. This prevents us from building Ozone with earlier versions of Hadoop. More commonly, we see runtime exceptions if an earlier version of the Hadoop-common jar happens to be in the classpath.
> Let's add a reflection-based switch to invoke the right version of the API so we can build and use Ozone with Apache Hadoop 3.1.0.
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