YARN-9765. SLS runner crashes when run with metrics turned off. Contributed by Abhishek Modi.
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@ -85,6 +85,7 @@ import org.apache.hadoop.yarn.sls.conf.SLSConfiguration;
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import org.apache.hadoop.yarn.sls.nodemanager.NMSimulator;
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import org.apache.hadoop.yarn.sls.resourcemanager.MockAMLauncher;
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import org.apache.hadoop.yarn.sls.scheduler.SLSCapacityScheduler;
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import org.apache.hadoop.yarn.sls.scheduler.SchedulerMetrics;
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import org.apache.hadoop.yarn.sls.scheduler.TaskRunner;
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import org.apache.hadoop.yarn.sls.scheduler.SLSFairScheduler;
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import org.apache.hadoop.yarn.sls.scheduler.ContainerSimulator;
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@ -779,7 +780,10 @@ public class SLSRunner extends Configured implements Tool {
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}
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queueAppNumMap.put(queueName, appNum);
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wrapper.getSchedulerMetrics().trackQueue(queueName);
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SchedulerMetrics metrics = wrapper.getSchedulerMetrics();
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if (metrics != null) {
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metrics.trackQueue(queueName);
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}
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}
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private void runNewAM(String jobType, String user,
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