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author | Matei Zaharia <matei.zaharia@gmail.com> | 2013-07-15 23:09:21 -0700 |
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committer | Matei Zaharia <matei.zaharia@gmail.com> | 2013-07-15 23:09:21 -0700 |
commit | 8a8a8f2de225310410ebe4e5d9c1e9b1ee8ffcf2 (patch) | |
tree | e5934f7c1e485870b01ab764a26be2ed2a30bbd8 /core/src/main | |
parent | ed8415b2fa08c24dab9b435dd388d29416f45527 (diff) | |
parent | 69316603d6bf11ecf1ea3dab63df178bad835e2d (diff) | |
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Merge pull request #705 from rxin/errormessages
Throw a more meaningful message when runJob is called to launch tasks on non-existent partitions.
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) |