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Posted to common-issues@hadoop.apache.org by "Ray Chiang (JIRA)" <ji...@apache.org> on 2014/09/19 07:09:35 UTC
[jira] [Assigned] (HADOOP-8757) Metrics should disallow names with
invalid characters
[ https://issues.apache.org/jira/browse/HADOOP-8757?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ray Chiang reassigned HADOOP-8757:
----------------------------------
Assignee: Ray Chiang
> Metrics should disallow names with invalid characters
> -----------------------------------------------------
>
> Key: HADOOP-8757
> URL: https://issues.apache.org/jira/browse/HADOOP-8757
> Project: Hadoop Common
> Issue Type: Improvement
> Components: metrics
> Affects Versions: 2.0.0-alpha, 3.0.0
> Reporter: Todd Lipcon
> Assignee: Ray Chiang
> Priority: Minor
> Labels: newbie
> Attachments: HADOOP-8757-01.patch
>
>
> Just spent a couple hours trying to figure out why a metric I added didn't show up in JMX, only to eventually realize it was because I had a whitespace in the property name. This didn't cause any errors to be logged -- the metric just didn't show up in JMX. We should check that the name is valid and log an error, or replace invalid characters with something like an underscore.
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