Failed to get main class in JAR with error

提交yarn集群任务时出错

Exception in thread "main" org.apache.spark.SparkException: Failed to get main class in JAR with error 'File file:/software/spark/bin/ --master does not exist'.  Please specify one with --class.
,求排除问题思路

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spark的进程是不是没有启动呀,你通过jps进行检查一下,如果没有启动就启动一下