local[*]模式下的spark程序，在idea上运行没问题，用maven打出来的jar包在windows的cmd下运行java -jar XX.jar 也可以运行成功。将jar包放到集群中运用spark-submit运行可以打印输出控制台打印结果,但是最后报空指针异常，并且结果不能保存到mysql。可是在集群中也运用java -jar xxx.jar一样可以运行不会报错。这是什么原因？我怎么才能用spark-submit命令运行成功？我想要通过这个命令去具体制定某一个类，利用Java -jar命令就不能具体制定哪一个类 。求帮忙
Exception in thread "main" java.lang.NullPointerException
at java.util.Properties$LineReader.readLine(Properties.java:434)
at java.util.Properties.load0(Properties.java:353)
at java.util.Properties.load(Properties.java:341)
at com.bigdata.bcht.spes.SparkEsLawUndel$.main(SparkEsLawUndel.scala:90)
at com.bigdata.bcht.spes.SparkEsLawUndel.main(SparkEsLawUndel.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.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:745)
at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:187)
at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:212)
at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:126)
at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
