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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-15867) Allow registering MBeans without additional jmx properties
Date Sun, 21 Oct 2018 21:45:00 GMT
Arpit Agarwal created HADOOP-15867:

             Summary: Allow registering MBeans without additional jmx properties
                 Key: HADOOP-15867
                 URL: https://issues.apache.org/jira/browse/HADOOP-15867
             Project: Hadoop Common
          Issue Type: Improvement
          Components: metrics
            Reporter: Arpit Agarwal
            Assignee: Arpit Agarwal

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 Hadoop 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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