Github user jongyoul commented on the pull request:

    https://github.com/apache/spark/pull/2126#issuecomment-53845393
  
    I've found a strange thing below,
    
    14/08/29 16:21:04 DEBUG SparkHadoopUtil: running as user: 1001079
    14/08/29 16:21:04 DEBUG UserGroupInformation: hadoop login
    14/08/29 16:21:04 DEBUG UserGroupInformation: hadoop login commit
    14/08/29 16:21:04 DEBUG UserGroupInformation: using local 
user:UnixPrincipal: hdfs
    14/08/29 16:21:04 DEBUG UserGroupInformation: UGI loginUser:hdfs 
(auth:SIMPLE)
    14/08/29 16:21:04 DEBUG UserGroupInformation: PrivilegedAction as:1001079 
(auth:SIMPLE) 
from:org.apache.spark.deploy.SparkHadoopUtil.runAsSparkUser(SparkHadoopUtil.scala:56)
    14/08/29 16:21:04 INFO SparkHadoopUtil: User: 1001079 (auth:SIMPLE)
    14/08/29 16:21:04 INFO MesosExecutorBackend: MesosExecutorBackend 1 => 
User: 1001079 (auth:SIMPLE)
    14/08/29 16:21:04 INFO MesosExecutorBackend: MesosExecutorBackend 2 => 
User: 1001079 (auth:SIMPLE)
    14/08/29 16:21:04 INFO MesosExecutorBackend: MesosExecutorBackend 3 => 
User: 1001079 (auth:SIMPLE)
    WARNING: Logging before InitGoogleLogging() is written to STDERR
    I0829 16:21:04.362865 18515 exec.cpp:131] Version: 0.19.1
    I0829 16:21:04.366479 18546 exec.cpp:205] Executor registered on slave 
20140829-160303-3374320138-60030-3252-41
    14/08/29 16:21:04 INFO MesosExecutorBackend: Registered with Mesos as 
executor ID 20140829-160303-3374320138-60030-3252-41
    14/08/29 16:21:04 INFO Executor: Executor => User: hdfs (auth:SIMPLE)
    
    Mesos' id is "hdfs", and my id is "1001079', as you told that, I think a 
credential problem.


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