less launch_command.log
2016-02-16 20:59:26,347 INFO Running /opt/spark/bin/spark-submit --driver-class-path /usr/lib/hadoop/lib/jackson-core-asl-1.8.8.jar:/usr/lib/hadoop/hadoop-swift.jar: --files spark.xml --class org.openstack.sahara.edp.SparkWrapper --jars builtin-f8244e4b-5761-41d9-baf2-ce20fb8e7503.jar --master spark://sparktest-master-0:7077 --deploy-mode client WordCount spark.xml
2016-02-16 20:59:26,364 INFO Waiting for subprocess 2742
2016-02-16 20:59:27,240 INFO Subprocess exit status 1
ubuntu@sparktest-master-0:/tmp/spark-edp/wordcount/34000baf-e633-459d-91b3-b13fe9c74622$ less stderr
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 1
        at org.openstack.sahara.edp.SparkWrapper.main(SparkWrapper.java:17)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:731)
        at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:181)
        at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:206)
        at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:121)
        at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)