摘要: Only one SparkContext may be running in this JVM (see SPARK-2243). To ignore this error, set spark.driver.allowMultipleContexts = true. The currently 阅读全文
posted @ 2018-05-03 17:40 凯心宝牙 阅读(673) 评论(0) 推荐(0) 编辑
摘要: 新建maven工程,添加pom依賴: 一个简单例子: 阅读全文
posted @ 2018-05-03 14:44 凯心宝牙 阅读(1327) 评论(0) 推荐(0) 编辑