wonook commented on a change in pull request #73: [NEMO-62] Support Multiple 
Jobs Submission in a Single User Program
URL: https://github.com/apache/incubator-nemo/pull/73#discussion_r203607677
 
 

 ##########
 File path: client/src/main/java/edu/snu/nemo/client/JobLauncher.java
 ##########
 @@ -109,36 +113,91 @@ public static void main(final String[] args) throws 
Exception {
     // Get DeployMode Conf
     deployModeConf = Configurations.merge(getDeployModeConf(builtJobConf), 
clientConf);
 
-    // Launch client main
-    runUserProgramMain(builtJobConf);
+    // Start Driver and launch user program.
+    try {
+      if (jobAndDriverConf == null || deployModeConf == null || builtJobConf 
== null) {
 
 Review comment:
   It looks like that it could be that the methods assigning these variables 
could be returning null. This code actually existed before the PR.

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