diff --git a/plugins/jobtype/build.xml b/plugins/jobtype/build.xml
index 1d474432..12957a3f 100644
--- a/plugins/jobtype/build.xml
+++ b/plugins/jobtype/build.xml
@@ -95,7 +95,7 @@
 	</target>
 
     <target name="junit" depends="build" description="running test cases">
-        <junit printsummary="yes">
+        <junit haltonfailure="no" failureproperty="test.failed" printsummary="yes">
             <classpath>
                 <path refid="main.classpath" />
                 <pathelement path="${dist.classes.dir}" />
@@ -106,6 +106,7 @@
                 <fileset dir="${dist.classes.test.dir}" includes="**/*Test*.class" />
             </batchtest>
         </junit>
+        <fail message="Test failure detected, check test results." if="test.failed" />
     </target>
 	
 	<target name="jars" depends="junit" description="Compile main source tree java files">
diff --git a/plugins/jobtype/src/azkaban/jobtype/HadoopConfigurationInjector.java b/plugins/jobtype/src/azkaban/jobtype/HadoopConfigurationInjector.java
index 37460f08..154d781d 100644
--- a/plugins/jobtype/src/azkaban/jobtype/HadoopConfigurationInjector.java
+++ b/plugins/jobtype/src/azkaban/jobtype/HadoopConfigurationInjector.java
@@ -128,7 +128,8 @@ private static void addHadoopProperties(Props props) {
         CommonJobProperties.OUT_NODES,
         CommonJobProperties.IN_NODES,
         CommonJobProperties.PROJECT_LAST_CHANGED_DATE,
-        CommonJobProperties.PROJECT_LAST_CHANGED_BY
+        CommonJobProperties.PROJECT_LAST_CHANGED_BY,
+        CommonJobProperties.SUBMIT_USER
     };
 
     for(String propertyName : propsToInject) {
diff --git a/plugins/jobtype/src/azkaban/jobtype/HadoopSparkJob.java b/plugins/jobtype/src/azkaban/jobtype/HadoopSparkJob.java
index 4a052a7f..8d3e1e89 100644
--- a/plugins/jobtype/src/azkaban/jobtype/HadoopSparkJob.java
+++ b/plugins/jobtype/src/azkaban/jobtype/HadoopSparkJob.java
@@ -281,10 +281,11 @@ private static void sparkFlagPrefixHelper(Props jobProps, List<String> argList)
 
   private static void sparkJarsHelper(Props jobProps, String workingDir,
       Logger log, List<String> argList) {
+    String propSparkJars =
+        jobProps.getString(SparkJobArg.SPARK_JARS.azPropName, "");
     String jarList =
-        HadoopJobUtils.resolveWildCardForJarSpec(workingDir, jobProps
-            .getString(SparkJobArg.SPARK_JARS.azPropName,
-                SparkJobArg.SPARK_JARS.defaultValue), log);
+        HadoopJobUtils
+            .resolveWildCardForJarSpec(workingDir, propSparkJars, log);
     if (jarList.length() > 0) {
       argList.add(SparkJobArg.SPARK_JARS.sparkParamName);
       argList.add(jarList);
@@ -306,14 +307,6 @@ private static void handleStandardArgument(Props jobProps,
     if (jobProps.containsKey(sparkJobArg.azPropName)) {
       argList.add(sparkJobArg.sparkParamName);
       argList.add(jobProps.getString(sparkJobArg.azPropName));
-    } else {
-      String defaultValue = sparkJobArg.defaultValue;
-      if (defaultValue.length() == 0) {
-        // do nothing
-      } else {
-        argList.add(sparkJobArg.sparkParamName);
-        argList.add(sparkJobArg.defaultValue);
-      }
     }
   }
 
@@ -388,7 +381,7 @@ public void cancel() throws InterruptedException {
 
     info("Cancel called.  Killing the Spark job on the cluster");
 
-    String azExecId = jobProps.getString("azkaban.flow.execid");
+    String azExecId = jobProps.getString(CommonJobProperties.EXEC_ID);
     final String logFilePath =
         String.format("%s/_job.%s.%s.log", getWorkingDirectory(), azExecId,
             getId());
diff --git a/plugins/jobtype/src/azkaban/jobtype/SparkJobArg.java b/plugins/jobtype/src/azkaban/jobtype/SparkJobArg.java
index b9d29947..db629115 100644
--- a/plugins/jobtype/src/azkaban/jobtype/SparkJobArg.java
+++ b/plugins/jobtype/src/azkaban/jobtype/SparkJobArg.java
@@ -3,61 +3,54 @@
 public enum SparkJobArg {
 
   // standard spark submit arguments, ordered in the spark-submit --help order
-  MASTER("master", "yarn-cluster", false), // just to trick the eclipse formatter
+  MASTER("master", false), // just to trick the eclipse formatter
   DEPLOY_MODE("deploy-mode", false), //
   CLASS("class", false), //
   NAME("name", false), //
-  SPARK_JARS("jars", "./lib/*",true), //
+  SPARK_JARS("jars", true), //
   PACKAGES("packages", false), //
   REPOSITORIES("repositories", false), //
   PY_FILES("py-files", false), //
   FILES("files", false), //
-  SPARK_CONF_PREFIX("conf.", "--conf", "",true), //
+  SPARK_CONF_PREFIX("conf.", "--conf", true), //
   PROPERTIES_FILE("properties-file", false), //
-  DRIVER_MEMORY("driver-memory", "512M", false), //
+  DRIVER_MEMORY("driver-memory", false), //
   DRIVER_JAVA_OPTIONS("driver-java-options", true), //
   DRIVER_LIBRARY_PATH("driver-library-path", false), //
   DRIVER_CLASS_PATH("driver-class-path", false), //
-  EXECUTOR_MEMORY("executor-memory", "1g", false), //
+  EXECUTOR_MEMORY("executor-memory", false), //
   PROXY_USER("proxy-user", false), //
-  SPARK_FLAG_PREFIX("flag.", "--", "",true), // --help, --verbose, --supervise, --version
+  SPARK_FLAG_PREFIX("flag.", "--", true), // --help, --verbose, --supervise, --version
 
   // Yarn only Arguments
-  EXECUTOR_CORES("executor-cores", "1", false), //
-  DRIVER_CORES("driver-cores", "1", false), //
-  QUEUE("queue", "marathon", false), //
-  NUM_EXECUTORS("num-executors", "2", false), //
+  EXECUTOR_CORES("executor-cores", false), //
+  DRIVER_CORES("driver-cores", false), //
+  QUEUE("queue", false), //
+  NUM_EXECUTORS("num-executors", false), //
   ARCHIVES("archives", false), //
   PRINCIPAL("principal", false), //
   KEYTAB("keytab", false), //
 
   // Not SparkSubmit arguments: only exists in azkaban
-  EXECUTION_JAR("execution-jar", null, null,true), //
-  PARAMS("params", null, null,true), //
+  EXECUTION_JAR("execution-jar", null, true), //
+  PARAMS("params", null, true), //
   ;
 
   public static final String delimiter = "\u001A";
 
   SparkJobArg(String propName, boolean specialTreatment) {
-    this(propName, "--" + propName, "",specialTreatment);
+    this(propName, "--" + propName, specialTreatment);
   }
 
-  SparkJobArg(String propName, String defaultValue, boolean specialTreatment) {
-    this(propName, "--" + propName, defaultValue,specialTreatment);
-  }
-
-  SparkJobArg(String azPropName, String sparkParamName, String defaultValue, boolean specialTreatment) {
+  SparkJobArg(String azPropName, String sparkParamName, boolean specialTreatment) {
     this.azPropName = azPropName;
-    this.sparkParamName = sparkParamName;
-    this.defaultValue = defaultValue;
+    this.sparkParamName = sparkParamName;    
     this.needSpecialTreatment = specialTreatment;
   }
 
   final String azPropName;
 
-  final String sparkParamName;
-
-  final String defaultValue;
+  final String sparkParamName;  
   
   final boolean needSpecialTreatment;
 
diff --git a/plugins/jobtype/test/azkaban/jobtype/TestHadoopJobUtilsExecutionJar.java b/plugins/jobtype/test/azkaban/jobtype/TestHadoopJobUtilsExecutionJar.java
index 451df99b..365da145 100644
--- a/plugins/jobtype/test/azkaban/jobtype/TestHadoopJobUtilsExecutionJar.java
+++ b/plugins/jobtype/test/azkaban/jobtype/TestHadoopJobUtilsExecutionJar.java
@@ -63,7 +63,6 @@ public void testLibFolderHasNothingInIt() throws IOException {
 
   @Test
   public void testOneLibFolderExpansion() throws IOException {
-
     String retval = HadoopJobUtils.resolveWildCardForJarSpec(workingDirString, "./lib/*", logger);
 
     Assert.assertEquals(
@@ -72,7 +71,7 @@ public void testOneLibFolderExpansion() throws IOException {
   }
 
   @Test
-  public void testTwoLibFolderExpansion() throws IOException {
+  public void testTwoLibFolderExpansionAllFilesResolved() throws IOException {
     File lib2FolderFile = new File(workingDirFile, "lib2");
     lib2FolderFile.mkdirs();
     File lib2test1Jar = new File(lib2FolderFile, "test1.jar");
@@ -82,8 +81,27 @@ public void testTwoLibFolderExpansion() throws IOException {
     String retval = HadoopJobUtils.resolveWildCardForJarSpec(workingDirString, "./lib/*,./lib2/*",
             logger);
 
-    Assert.assertEquals(
-            retval,
-            "/tmp/TestHadoopSpark/./lib/library.jar,/tmp/TestHadoopSpark/./lib/hadoop-spark-job-test-execution-x.y.z-a.b.c.jar,/tmp/TestHadoopSpark/./lib2/test1.jar,/tmp/TestHadoopSpark/./lib2/test2.jar");
+    Assert.assertTrue(retval.contains("/tmp/TestHadoopSpark/./lib/library.jar"));
+    Assert.assertTrue(retval.contains("/tmp/TestHadoopSpark/./lib/hadoop-spark-job-test-execution-x.y.z-a.b.c.jar"));
+    Assert.assertTrue(retval.contains("/tmp/TestHadoopSpark/./lib2/test1.jar"));
+    Assert.assertTrue(retval.contains("/tmp/TestHadoopSpark/./lib2/test2.jar"));
+  }
+    
+    @Test
+    public void testTwoLibFolderExpansionExpandsInOrder() throws IOException {
+      
+      executionJarFile.delete();
+      
+      File lib2FolderFile = new File(workingDirFile, "lib2");
+      lib2FolderFile.mkdirs();
+      File lib2test1Jar = new File(lib2FolderFile, "test1.jar");
+      lib2test1Jar.createNewFile();   
+      
+      String retval = HadoopJobUtils.resolveWildCardForJarSpec(workingDirString, "./lib/*,./lib2/*",
+              logger);
+
+      Assert.assertEquals(
+              retval,
+              "/tmp/TestHadoopSpark/./lib/library.jar,/tmp/TestHadoopSpark/./lib2/test1.jar");
   }
 }
\ No newline at end of file
diff --git a/plugins/jobtype/test/azkaban/jobtype/TestHadoopSparkJobGetMainArguments.java b/plugins/jobtype/test/azkaban/jobtype/TestHadoopSparkJobGetMainArguments.java
index 554e7a58..171b0cd4 100644
--- a/plugins/jobtype/test/azkaban/jobtype/TestHadoopSparkJobGetMainArguments.java
+++ b/plugins/jobtype/test/azkaban/jobtype/TestHadoopSparkJobGetMainArguments.java
@@ -55,32 +55,12 @@ public void testDefault() {
     String retval = HadoopSparkJob.testableGetMainArguments(jobProps, workingDirString, logger);
 
     // the first one, so no delimiter at front
-    Assert.assertTrue(retval.contains(SparkJobArg.DRIVER_JAVA_OPTIONS.sparkParamName + delim));
-    Assert.assertTrue(retval
-            .contains(delim
-                    + "-Dazkaban.link.workflow.url=http://azkaban.link.workflow.url -Dazkaban.link.job.url=http://azkaban.link.job.url -Dazkaban.link.execution.url=http://azkaban.link.execution.url -Dazkaban.link.attempt.url=http://azkaban.link.attempt.url"
-                    + delim));
-    Assert.assertTrue(retval.contains(delim + SparkJobArg.MASTER.sparkParamName + delim
-            + "yarn-cluster" + delim));
-    Assert.assertTrue(retval
-            .contains(delim
-                    + SparkJobArg.SPARK_JARS.sparkParamName
-                    + delim
-                    + "/tmp/TestHadoopSpark/./lib/library.jar,/tmp/TestHadoopSpark/./lib/hadoop-spark-job-test-execution-x.y.z-a.b.c.jar"
-                    + delim));
+    // due to new communication mechanism between HAdoopSparkJob and HadoopSparkSecureWrapper,
+    // these Azkaban variables are sent through the configuration file and not through the command line
+    Assert.assertTrue(retval.contains(SparkJobArg.DRIVER_JAVA_OPTIONS.sparkParamName + delim + "" +  delim));    
     Assert.assertTrue(retval.contains(delim + SparkJobArg.CLASS.sparkParamName + delim
             + "hadoop.spark.job.test.ExecutionClass" + delim));
-    Assert.assertTrue(retval.contains(delim + SparkJobArg.NUM_EXECUTORS.sparkParamName + delim
-            + "2" + delim));
-    Assert.assertTrue(retval.contains(delim + SparkJobArg.EXECUTOR_CORES.sparkParamName + delim
-            + "1" + delim));
-    Assert.assertTrue(retval.contains(delim + SparkJobArg.QUEUE.sparkParamName + delim + "marathon"
-            + delim));
-    Assert.assertTrue(retval.contains(delim + SparkJobArg.DRIVER_MEMORY.sparkParamName + delim
-            + "512M" + delim));
-    Assert.assertTrue(retval.contains(delim + SparkJobArg.EXECUTOR_MEMORY.sparkParamName + delim
-            + "1g" + delim));
-    // last one, no delimiter at back
+      // last one, no delimiter at back
     Assert.assertTrue(retval.contains(delim
             + "/tmp/TestHadoopSpark/./lib/hadoop-spark-job-test-execution-x.y.z-a.b.c.jar"));
     
@@ -272,9 +252,7 @@ public void testDriverJavaOptions() {
     String retval = HadoopSparkJob.testableGetMainArguments(jobProps, workingDirString, logger);
 
     // only on the ending side has the delimiter
-    Assert.assertTrue(retval
-            .contains(" -Dazkaban.link.attempt.url=http://azkaban.link.attempt.url -Dabc=def -Dfgh=ijk"
-                    + delim));
+    Assert.assertTrue(retval.contains(" -Dabc=def -Dfgh=ijk" + delim));
   }
 
   @Test