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From Stephen Sprague <sprag...@gmail.com>
Subject YARN ResourceManger running with yarn.root.logger=DEBUG,console
Date Wed, 11 Jan 2017 21:14:09 GMT
hey guys,
i'm running the RM with the above options (version 2.6.1) and get an NPE
upon startup.

{code}
17/01/11 12:44:45 FATAL resourcemanager.ResourceManager: Error starting
ResourceManager
java.lang.NullPointerException
        at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.a.getName(SourceFile:204)
        at
org.apache.hadoop.service.CompositeService.addService(CompositeService.java:73)
        at
org.apache.hadoop.service.CompositeService.addIfService(CompositeService.java:88)
        at
org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceInit(ResourceManager.java:490)
        at
org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
        at
org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.createAndInitActiveServices(ResourceManager.java:993)
        at
org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceInit(ResourceManager.java:255)
        at
org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
        at
org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.main(ResourceManager.java:1214)
17/01/11 12:44:45 INFO resourcemanager.ResourceManager: SHUTDOWN_MSG:
{code}

the fair-scheduler.xml file is fine and works in INFO level logging so i'm
pretty sure there's nothing "wrong" with it. So with DEBUG level its making
this java call and barfing.

Any ideas how to fix this?

thanks,
Stephen.

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