Github user devaraj-kavali commented on a diff in the pull request:

    https://github.com/apache/spark/pull/13077#discussion_r94205390
  
    --- Diff: 
resource-managers/mesos/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosClusterScheduler.scala
 ---
    @@ -559,15 +560,29 @@ private[spark] class MesosClusterScheduler(
           } else {
             val offer = offerOption.get
             val queuedTasks = tasks.getOrElseUpdate(offer.offerId, new 
ArrayBuffer[TaskInfo])
    -        val task = createTaskInfo(submission, offer)
    -        queuedTasks += task
    -        logTrace(s"Using offer ${offer.offerId.getValue} to launch driver 
" +
    -          submission.submissionId)
    -        val newState = new MesosClusterSubmissionState(submission, 
task.getTaskId, offer.slaveId,
    -          None, new Date(), None, getDriverFrameworkID(submission))
    -        launchedDrivers(submission.submissionId) = newState
    -        launchedDriversState.persist(submission.submissionId, newState)
    -        afterLaunchCallback(submission.submissionId)
    +        breakable {
    --- End diff --
    
    Here it needs to continue in the for loop from the catch block with next 
set of drivers. It cannot return from the exception since it needs to launch 
the other candidates, I can consider the other suggestion i.e. moving the 
following code into try clause. I will update the PR by moving the code into 
try block. Please let me know if it doesn’t make sense.


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