Yufei Gu created YARN-7211:
------------------------------

             Summary: Task in SLS does't work
                 Key: YARN-7211
                 URL: https://issues.apache.org/jira/browse/YARN-7211
             Project: Hadoop YARN
          Issue Type: Bug
          Components: scheduler-load-simulator
    Affects Versions: 3.0.0-beta1, 3.1.0
            Reporter: Yufei Gu
            Assignee: Yufei Gu


{code}
java.lang.reflect.UndeclaredThrowableException
        at 
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1980)
        at 
org.apache.hadoop.yarn.sls.appmaster.MRAMSimulator.sendContainerRequest(MRAMSimulator.java:339)
        at 
org.apache.hadoop.yarn.sls.appmaster.AMSimulator.middleStep(AMSimulator.java:201)
        at 
org.apache.hadoop.yarn.sls.scheduler.TaskRunner$Task.run(TaskRunner.java:94)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
Caused by: 
org.apache.hadoop.yarn.exceptions.InvalidApplicationMasterRequestException: 
Invalid responseId in AllocateRequest from application attempt: 
appattempt_1505762809623_0001_000001, expect responseId to be 0, but get 1
        at 
org.apache.hadoop.yarn.server.resourcemanager.ApplicationMasterService.allocate(ApplicationMasterService.java:377)
        at 
org.apache.hadoop.yarn.sls.appmaster.MRAMSimulator$1.run(MRAMSimulator.java:343)
        at 
org.apache.hadoop.yarn.sls.appmaster.MRAMSimulator$1.run(MRAMSimulator.java:340)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:422)
        at 
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1962)
        ... 6 more
Exception in thread "pool-4-thread-8" java.lang.NullPointerException
        at 
org.apache.hadoop.yarn.sls.scheduler.TaskRunner$Task.run(TaskRunner.java:103)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
{code}
Seems like it is broken by YARN-6640.



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