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-rw-r--r--bagel/src/main/scala/org/apache/spark/bagel/Bagel.scala2
1 files changed, 1 insertions, 1 deletions
diff --git a/bagel/src/main/scala/org/apache/spark/bagel/Bagel.scala b/bagel/src/main/scala/org/apache/spark/bagel/Bagel.scala
index ef0bb2ac13..4e6b7686f7 100644
--- a/bagel/src/main/scala/org/apache/spark/bagel/Bagel.scala
+++ b/bagel/src/main/scala/org/apache/spark/bagel/Bagel.scala
@@ -78,7 +78,7 @@ object Bagel extends Logging {
val startTime = System.currentTimeMillis
val aggregated = agg(verts, aggregator)
- val combinedMsgs = msgs.combineByKey(
+ val combinedMsgs = msgs.combineByKeyWithClassTag(
combiner.createCombiner _, combiner.mergeMsg _, combiner.mergeCombiners _, partitioner)
val grouped = combinedMsgs.groupWith(verts)
val superstep_ = superstep // Create a read-only copy of superstep for capture in closure