spark-shell读取文件遇到错误

进入spark-shell正常，但是在执行
spark.read.json("/people.json")
报错如下
[mw_shl_code=bash,true]WARN scheduler.TaskSchedulerImpl: Initial job has

not accepted any resources; check your cluster UI

to ensure that workers are registered and have

sufficient resources[/mw_shl_code]
解决：
worker挂掉了，需要重启集群，并且spark-shell需要重新进入
另外一种情况是内存或则jvm已经不够用。