Github user JoshRosen commented on a diff in the pull request: https://github.com/apache/spark/pull/3638#discussion_r22202188 --- Diff: core/src/main/scala/org/apache/spark/scheduler/TaskSchedulerImpl.scala --- @@ -256,15 +256,21 @@ private[spark] class TaskSchedulerImpl( val execId = shuffledOffers(i).executorId val host = shuffledOffers(i).host if (availableCpus(i) >= CPUS_PER_TASK) { - for (task <- taskSet.resourceOffer(execId, host, maxLocality)) { - tasks(i) += task - val tid = task.taskId - taskIdToTaskSetId(tid) = taskSet.taskSet.id - taskIdToExecutorId(tid) = execId - executorsByHost(host) += execId - availableCpus(i) -= CPUS_PER_TASK - assert(availableCpus(i) >= 0) - launchedTask = true + try { + for (task <- taskSet.resourceOffer(execId, host, maxLocality)) { + tasks(i) += task + val tid = task.taskId + taskIdToTaskSetId(tid) = taskSet.taskSet.id + taskIdToExecutorId(tid) = execId + executorsByHost(host) += execId + availableCpus(i) -= CPUS_PER_TASK + assert(availableCpus(i) >= 0) + launchedTask = true + } + } catch { + case e: TaskNotSerializableException => { --- End diff -- Hmm, it looks like we already log the exception inside of `resourceOffer`.
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