利用akka包来做scala的定时任务，便是打包时报以下错误：
Exception in thread "main" java.lang.NoSuchMethodError: scala.Product.$init$(Lscala/Product;)V
at akka.util.Timeout.<init>(Timeout.scala:13)
at akka.actor.ActorSystem$Settings.<init>(ActorSystem.scala:327)
at akka.actor.ActorSystemImpl.<init>(ActorSystem.scala:651)
at akka.actor.ActorSystem$.apply(ActorSystem.scala:244)
at akka.actor.ActorSystem$.apply(ActorSystem.scala:287)
at akka.actor.ActorSystem$.apply(ActorSystem.scala:232)
at netjoy.spark_sql.track_pc.run$.main(run.scala:30)
at netjoy.spark_sql.track_pc.run.main(run.scala)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.spark.deploy.JavaMainApplication.start(SparkApplication.scala:52)
at org.apache.spark.deploy.SparkSubmit.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:849)
at org.apache.spark.deploy.SparkSubmit.doRunMain$1(SparkSubmit.scala:167)
at org.apache.spark.deploy.SparkSubmit.submit(SparkSubmit.scala:195)
at org.apache.spark.deploy.SparkSubmit.doSubmit(SparkSubmit.scala:86)
at org.apache.spark.deploy.SparkSubmit$$anon$2.doSubmit(SparkSubmit.scala:924)
at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:933)
at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)