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Diffstat (limited to 'core/src/main')
| -rw-r--r-- | core/src/main/scala/spark/scheduler/DAGScheduler.scala | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/core/src/main/scala/spark/scheduler/DAGScheduler.scala b/core/src/main/scala/spark/scheduler/DAGScheduler.scala index 3d3b9ea011..8173ef709d 100644 --- a/core/src/main/scala/spark/scheduler/DAGScheduler.scala +++ b/core/src/main/scala/spark/scheduler/DAGScheduler.scala @@ -251,6 +251,15 @@ class DAGScheduler( if (partitions.size == 0) { return } + + // Check to make sure we are not launching a task on a partition that does not exist. + val maxPartitions = finalRdd.partitions.length + partitions.find(p => p >= maxPartitions).foreach { p => + throw new IllegalArgumentException( + "Attempting to access a non-existent partition: " + p + ". " + + "Total number of partitions: " + maxPartitions) + } + val (toSubmit, waiter) = prepareJob( finalRdd, func, partitions, callSite, allowLocal, resultHandler, properties) eventQueue.put(toSubmit) |