摘要：
[root@alamps TestDir]# hadoop fs -chown hadoop:hadoop hdfs://alamps:9000/library/SparkStreaming/data/[root@alamps TestDir]# hadoop fs -chown hadoop:ha 阅读全文
摘要：
1: Exception in thread "main" org.apache.spark.SparkException: org.apache.spark.streaming.dstream.MappedDStream@5a69b104 has not been initialized 原因： StreamingContext.checkpoint(...)指定的checkpoint目录下... 阅读全文