所有大师都没有反应！ ？ Spark master没有响应数据存储体系结构

Question

尝试使用Spark shell和Spark提交，获得此异常？

Initializing SparkContext with MASTER: spark://1.2.3.4:7077
    ERROR 2015-06-11 14:08:29 org.apache.spark.scheduler.cluster.SparkDeploySchedulerBackend: Application has been killed. Reason: All masters are unresponsive! Giving up.
    WARN  2015-06-11 14:08:29 org.apache.spark.scheduler.cluster.SparkDeploySchedulerBackend: Application ID is not initialized yet.
    ERROR 2015-06-11 14:08:30 org.apache.spark.scheduler.TaskSchedulerImpl: Exiting due to error from cluster scheduler: All masters are unresponsive! Giving up.

Answer 1

确保主服务器的URL正确，并且主服务器仍处于活动状态。

您可以通过浏览器中的spark web UI查看正确的URL。如果您在本地运行主服务器，请尝试在任何浏览器窗口中键入localhost：8080。

以下是有关网络用户界面https://spark.apache.org/docs/1.2.0/monitoring.html

的更多信息