Spark踩坑：NoClassDefFoundError: org/apache/spark/streaming/dstream/DStream
在IDEA下，使用Maven构建Spark项目时，总是容易报如下错误： java.lang.NoClassDefFoundError: org/apache/spark/streaming/dstream/DStream at java.lang.Class.getDeclaredMethods0(Native Method) at java.lang.Clas...
