Exception in thread main java.io.NotSerializableException_scala

Exception in thread "main" java.io.NotSerializableException: guang.spark.core.test.Task
  at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1184)
  at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
  at guang.spark.core.test.Driver$.main(Driver.scala:21)
  at guang.spark.core.test.Driver.main(Driver.scala)

发生上述原因可能是在进行网络传输过程中传输了无法序列化的对象，只需要将要发送的对象进行序列化即可，实现Serializble接口。