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我已经提交了一个python作业来将bluemix作为一项服务并且失败。不幸的是，伐木是不够的，并没有给我一个线索，为什么它失败了。如何增加bluemix上spark-submit作业的日志输出？
如何增加日志级别输出？从火花
输出作为一项服务：
==== Failed Status output =====================================================
Getting status
HTTP/1.1 200 OK
Server: nginx/1.8.0
Date: Thu, 12 May 2016 19:09:30 GMT
Content-Type: application/json;charset=utf-8
Content-Length: 850
Connection: keep-alive
{
"action" : "SubmissionStatusResponse",
"driverState" : "ERROR",
"message" : "Exception from the cluster:
org.apache.spark.SparkUserAppException: User application exited with 255
org.apache.spark.deploy.PythonRunner$.main(PythonRunner.scala:88)
org.apache.spark.deploy.PythonRunner.main(PythonRunner.scala)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:95)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:55)
java.lang.reflect.Method.invoke(Method.java:507)
org.apache.spark.deploy.ego.EGOClusterDriverWrapper$$anon$3.run(EGOClusterDriverWrapper.scala:430)",
"serverSparkVersion" : "1.6.0",
"submissionId" : "xxxxxx",
"success" : true
}
===============================================================================
我得罪一个BigInsights集群成功运行同样的工作。在biginsights集群上运行时，我也获得了更多的详细输出。