问题1:apache
在运行spark的测试程序SparkPi时,点击运行,出现了以下错误:测试
Exception in thread "main" org.apache.spark.SparkException: A master URL must be set in your configurationspa
点击edit configuration,在左侧点击该项目。在右侧VM options中输入“-Dspark.master=local”,指示本程序本地单线程运行,再次运行便可。线程
配置如图orm