requirement failed: Block broadcast_487 is already present in the MemoryStore
场景:以往正常执行的sparksql,今天在公司执行报如下错误:第一次执行报错如下:Causedby:java.sql.SQLException:org.apache.spark.SparkException:Jobabortedduetostagefailure:Task1382instage320.0failed4times,mostrecentfailure:Losttask1382.3in