Nobigo

把在做毕设的过程中将遇见的问题整理发出来，供大家一起学习！ 1 问题详情： Caused by: java.net.URISyntaxException: Relative path in absolute URI: file:C:/Users/dx/Desktop/HrtDisDetection/spark-warehouse at java.net.URI.check...

错误信息 Error:(29, 15) value $ is not a member of StringContext df.select($"name", $"age" + 1).show() 解决方案 ··· //在创建SparkSession之后 import sparkSession.implicits._ ···...