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Posted to yarn-issues@hadoop.apache.org by "Chandni Singh (JIRA)" <ji...@apache.org> on 2018/06/21 00:35:00 UTC
[jira] [Updated] (YARN-8445) YARN native service doesn't allow
service name equals to component name
[ https://issues.apache.org/jira/browse/YARN-8445?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chandni Singh updated YARN-8445:
--------------------------------
Attachment: YARN-8445.001.patch
> YARN native service doesn't allow service name equals to component name
> -----------------------------------------------------------------------
>
> Key: YARN-8445
> URL: https://issues.apache.org/jira/browse/YARN-8445
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Chandni Singh
> Assignee: Chandni Singh
> Priority: Major
> Fix For: 3.1.1
>
> Attachments: YARN-8445.001.patch
>
>
> Now YARN service doesn't allow specifying service name equals to component name.
> And it causes AM launch fails with msg like:
> {code}
> org.apache.hadoop.metrics2.MetricsException: Metrics source tf-zeppelin already exists!
> at org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.newSourceName(DefaultMetricsSystem.java:152)
> at org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.sourceName(DefaultMetricsSystem.java:125)
> at org.apache.hadoop.metrics2.impl.MetricsSystemImpl.register(MetricsSystemImpl.java:229)
> at org.apache.hadoop.yarn.service.ServiceMetrics.register(ServiceMetrics.java:75)
> at org.apache.hadoop.yarn.service.component.Component.<init>(Component.java:193)
> at org.apache.hadoop.yarn.service.ServiceScheduler.createAllComponents(ServiceScheduler.java:552)
> at org.apache.hadoop.yarn.service.ServiceScheduler.buildInstance(ServiceScheduler.java:251)
> at org.apache.hadoop.yarn.service.ServiceScheduler.serviceInit(ServiceScheduler.java:283)
> at org.apache.hadoop.service.AbstractService.init(AbstractService.java:164)
> at org.apache.hadoop.service.CompositeService.serviceInit(CompositeService.java:108)
> at org.apache.hadoop.yarn.service.ServiceMaster.serviceInit(ServiceMaster.java:142)
> at org.apache.hadoop.service.AbstractService.init(AbstractService.java:164)
> at org.apache.hadoop.yarn.service.ServiceMaster.main(ServiceMaster.java:338)
> 2018-06-18 06:50:39,473 [main] INFO service.ServiceScheduler - Stopping service scheduler
> {code}
> It's better to add this check in validation phase instead of failing AM.
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