创建SparkStreamingContext
1)val conf=new SparkConf().setMaster("local[2]").setAppName("wordcount")
val streamContext=new StreamingContext(conf,Seconds(5))
2)val sps=new StreamingContext(new SparkContext(conf),Seconds(5))
//如果关闭的时候只想关闭StreamingContext不想关闭SparkContext则
sps.stop(false)
原文地址:http://11194009.blog.51cto.com/11184009/1905055