【报错】 Exception in thread "main" org.apache.flink.api.common.functions.InvalidTypesException: The return type of function 'Custom Source' could not be determined automatically, due to type erasure.
【背景说明】 刚在hive中配置了Spark引擎,在进行Hive on Spark测试时报错, 报错截图如下: [atguigu@hadoop102 conf]$ hivewhich: no hbase in (/usr/local/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/opt/module/jdk1.8.0_212/bin:/opt/modu