weixin_45682234的博客

Caused by: java.lang.RuntimeException: Error while running command to get file permissions : java.io.IOException: (null) entry in command string: null ls -F D:\tmp\hiveCaused by: java.lang.RuntimeException: Error while running command to get file permissi

Spark自定义聚合函数package com.offcn.sparkimport org.apache.spark.sql.Rowimport org.apache.spark.sql.expressions.{MutableAggregationBuffer, UserDefinedAggregateFunction}import org.apache.spark.sql.types.{DataType, StringType, StructField, StructType}class

SparkStreaming 消费Kafka中数据import java.text.{DateFormat, SimpleDateFormat}import java.util.Dateimport org.apache.kafka.common.serialization.StringDeserializerimport org.apache.spark.{SparkConf, SparkContext}import org.apache.spark.sql.SparkSessionimp