Github user levkhomich commented on a diff in the pull request:
https://github.com/apache/spark/pull/4947#discussion_r26044200
--- Diff:
core/src/main/scala/org/apache/spark/serializer/KryoSerializer.scala ---
@@ -158,7 +158,13 @@ private[spark] class KryoSerializerInstance(ks:
KryoSerializer) extends Serializ
override def serialize[T: ClassTag](t: T): ByteBuffer = {
output.clear()
- kryo.writeClassAndObject(output, t)
+ try {
+ kryo.writeClassAndObject(output, t)
+ } catch {
+ case e: KryoException if e.getMessage.startsWith("Buffer overflow")
=>
+ throw new SparkException("Serialization failed: Kryo buffer
overflow. To avoid this, " +
--- End diff --
@srowen @viirya I've squashed corresponding change.
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