Sangjin Lee created YARN-2742:
---------------------------------

             Summary: FairSchedulerConfiguration fails to parse if there is 
extra space between value and unit
                 Key: YARN-2742
                 URL: https://issues.apache.org/jira/browse/YARN-2742
             Project: Hadoop YARN
          Issue Type: Bug
          Components: fairscheduler
    Affects Versions: 2.4.0
            Reporter: Sangjin Lee
            Priority: Minor


FairSchedulerConfiguration is very strict about the number of space characters 
between the value and the unit: 0 or 1 space.

For example, for values like the following:

{noformat}
<maxResources>4096  mb, 2 vcores<maxResources>
{noformat}
(note 2 spaces)

This above line fails to parse:

{noformat}
2014-10-24 22:56:40,802 ERROR 
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.AllocationFileLoaderService:
 Failed to reload fair scheduler config file - will use existing allocations.
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.AllocationConfigurationException:
 Missing resource: mb
        at 
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairSchedulerConfiguration.findResource(FairSchedulerConfiguration.java:247)
        at 
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairSchedulerConfiguration.parseResourceConfigValue(FairSchedulerConfiguration.java:231)
        at 
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.AllocationFileLoaderService.loadQueue(AllocationFileLoaderService.java:347)
        at 
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.AllocationFileLoaderService.loadQueue(AllocationFileLoaderService.java:381)
        at 
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.AllocationFileLoaderService.reloadAllocations(AllocationFileLoaderService.java:293)
        at 
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.AllocationFileLoaderService$1.run(AllocationFileLoaderService.java:117)
{noformat}



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