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From "Sumit Mohanty (JIRA)" <>
Subject [jira] [Commented] (AMBARI-1260) Remove hard coded JMX port mappings
Date Tue, 29 Jan 2013 01:26:11 GMT


Sumit Mohanty commented on AMBARI-1260:

LGTM. Few nits.
Line 320 - Should we move the port numbers to their own constants - e.g. DEFAULT_NAME_NODE_PORT
- if you take this change there are 4 other values in this section.
Line 381 - Should the log contain the clusterName, serviceName, etc. for easy diagnosis?
Line 385 - Should we define a constant string for "version1" and use that here.
Line 387 - The loop will continue to overwrite versionTag for every non-null configs. Did
you intend to break after the first non-null value?
Line 396 - We can move the var declaration to just before the if (configResources != null)
check at 412
Line 409 - Should the log contain the clusterName, configType, configTag, etc. for easy diagnosis?
LIne 413 - It also seems that the loop will overwrite values for keys if there are multiple
config resources. If we expect only one config resource should we assert that?
Are there unused imports?
Do we need additional unit tests that actually read from mock config files to test the service
and configResource readers used by AbstractProviderModule? Any need for negative test cases?
(unless they already exist)

> Remove hard coded JMX port mappings
> -----------------------------------
>                 Key: AMBARI-1260
>                 URL:
>             Project: Ambari
>          Issue Type: Improvement
>          Components: controller
>    Affects Versions: 1.2.1
>            Reporter: Siddharth Wagle
>            Assignee: Siddharth Wagle
>         Attachments: AMBARI-1260.patch
> The JMXPropertyProvider contains a map of component names to ports ...
> {code}
>     JMX_PORTS.put("NAMENODE",     "50070");
>     JMX_PORTS.put("DATANODE",     "50075");
>     JMX_PORTS.put("JOBTRACKER",   "50030");
>     JMX_PORTS.put("TASKTRACKER",  "50060");
>     JMX_PORTS.put("HBASE_MASTER", "60010");
> {code}
> These ports can change in configuration.  Need to create the mapping dynamically.
> This is required for secure HDP cluster to work.

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