Scheduler: Initial job has not accepted any resources； check your cluster UI to ensure that workers

今天试着用Spark on YARN集群提交一个任务，读取的文件路径是本地的，结果报了这个错误。

Scheduler: Initial job has not accepted any resources; check your cluster UI to ensure that workers

在网上查阅资料发现是有一些Executor启动失败，询问老师之后才知道

Spark读文件是Task读取的，文件没有发送到集群的每个节点上，有些Executor读文件读不到，所以这些些Executor无法启动成功。

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check your cluster UI to ensure that workers are registered and have sufficient resources
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Scheduler: Initial job has not accepted any resources； check your cluster UI to ensure that workers

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