Spark 1.4.1 startup script debugged.

/home/hduser/spark-1.4.1-bin-hadoop2.6/bin/run-example
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    /home/hduser/spark-1.4.1-bin-hadoop2.6/bin/spark-submit
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        /home/hduser/spark-1.4.1-bin-hadoop2.6/bin/spark-class
        
hduser@shaklubix1:~/spark-1.4.1-bin-hadoop2.6/bin$ ./run-example JavaWordCount /home/hduser/spark-1.4.1-bin-hadoop2.6/README.md
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    Running /home/hduser/spark-1.4.1-bin-hadoop2.6/bin/spark-submit
    shak debug: /home/hduser/spark-1.4.1-bin-hadoop2.6/bin/spark-class: SPARK_HOME=/home/hduser/spark-1.4.1-bin-hadoop2.6
    shak debug: /home/hduser/spark-1.4.1-bin-hadoop2.6/bin/spark-class: ASSEMBLY_DIR=/home/hduser/spark-1.4.1-bin-hadoop2.6/lib
    shak debug: /home/hduser/spark-1.4.1-bin-hadoop2.6/bin/spark-class: $@
    org.apache.spark.deploy.SparkSubmit
        --master
        local[*]
        --class
        org.apache.spark.examples.JavaWordCount
        /home/hduser/spark-1.4.1-bin-hadoop2.6/lib/spark-examples-1.4.1-hadoop2.6.0.jar
        /home/hduser/spark-1.4.1-bin-hadoop2.6/README.md
    shak debug: -----

    shak debug: /home/hduser/spark-1.4.1-bin-hadoop2.6/bin/spark-class: LAUNCH_CLASSPATH
        /home/hduser/spark-1.4.1-bin-hadoop2.6/lib/spark-assembly-1.4.1-hadoop2.6.0.jar

    shak debug: /home/hduser/spark-1.4.1-bin-hadoop2.6/bin/spark-class: ${CMD[@]}
        /usr/lib/jvm/java-7-oracle/bin/java
        -cp
        /home/hduser/spark-1.4.1-bin-hadoop2.6/conf/
        /home/hduser/spark-1.4.1-bin-hadoop2.6/lib/spark-assembly-1.4.1-hadoop2.6.0.jar
        /home/hduser/spark-1.4.1-bin-hadoop2.6/lib/datanucleus-rdbms-3.2.9.jar
        /home/hduser/spark-1.4.1-bin-hadoop2.6/lib/datanucleus-core-3.2.10.jar
        /home/hduser/spark-1.4.1-bin-hadoop2.6/lib/datanucleus-api-jdo-3.2.6.jar
        -Xms512m
        -Xmx512m
        -XX:MaxPermSize=256m
        org.apache.spark.deploy.SparkSubmit
        --master
        local[*]
        --class
        org.apache.spark.examples.JavaWordCount
        /home/hduser/spark-1.4.1-bin-hadoop2.6/lib/spark-examples-1.4.1-hadoop2.6.0.jar
        /home/hduser/spark-1.4.1-bin-hadoop2.6/README.md
        shak debug: -----

    Running /home/hduser/spark-1.4.1-bin-hadoop2.6/bin/spark-class
    exec /usr/lib/jvm/java-7-oracle/bin/java -cp /home/hduser/spark-1.4.1-bin-hadoop2.6/conf/:/home/hduser/spark-1.4.1-bin-hadoop2.6/lib/spark-assembly-1.4.1-hadoop2.6.0.jar:/home/hduser/spark-1.4.1-bin-hadoop2.6/lib/datanucleus-rdbms-3.2.9.jar:/home/hduser/spark-1.4.1-bin-hadoop2.6/lib/datanucleus-core-3.2.10.jar:/home/hduser/spark-1.4.1-bin-hadoop2.6/lib/datanucleus-api-jdo-3.2.6.jar -Xms512m -Xmx512m -XX:MaxPermSize=256m org.apache.spark.deploy.SparkSubmit --master local[*] --class org.apache.spark.examples.JavaWordCount /home/hduser/spark-1.4.1-bin-hadoop2.6/lib/spark-examples-1.4.1-hadoop2.6.0.jar /home/hduser/spark-1.4.1-bin-hadoop2.6/README.md