【SpringBoot】Error: Could not find or load main class org.apache.hadoop.mapreduce.v2.app.MRAppMaster报错明细问题解决后记 报错明细 IDEA SpringBoot集成hadoop运行环境，，本地启动项目，GET请求接口触发远程提交MapReduce任务至生产集群报错： Failing this attempt.Diagnostics: [2020-02-17 00:44:42.444]Excepti