Exception in thread "main" java.io.IOException: Unable to clear output directory hdfs://xxx/warehouse/hive/xx.db/xxx prior to writing to it
at org.apache.spark.sql.execution.datasources.InsertIntoHadoopFsRelationCommand.deleteMatchingPartitions(InsertIntoHadoopFsRelationCommand.scala:234)
at org.apache.spark.sql.execution.datasources.InsertIntoHadoopFsRelationCommand.run(InsertIntoHadoopFsRelationCommand.scala:123)
at org.apache.spark.sql.execution.command.DataWritingCommandExec.sideEffectResult$lzycompute(commands.scala:104)
at org.apache.spark.sql.execution.command.DataWritingCommandExec.sideEffectResult(commands.scala:102)
at org.apache.spark.sql.execution.command.DataWritingCommandExec.doExecute(commands.scala:122)
at org.apache.spark.sql.execution.SparkPlan$$anonfun$execute$1.apply(SparkPlan.scala:141)
at
题目： 题解：
func maxCoins(nums []int) int {n : len(nums)rec : make([][]int, n 2)for i : 0; i < n 2; i {rec[i] make([]int, n 2)}val : make([]int, n 2)val[0], val[n1] 1, 1for i : 1; i < n; i {val[i] nums[i-1]}for i : n - 1…
