SparkStreaming_哪有天生的学霸,一切都是厚积薄发的博客-CSDN博客

网站介绍:sparkstreaming消费kafka数据,如果发生消息积压,如何处理?,No output operations registered, so nothing to execute,Only one SparkContext may be running in this JVM (see SPARK-2243). To ignore this error, set spark.d,SparkStreaming