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求救,看不到spark streaming的输出接口

我在master服务器 执行nc -lk 9999,在master服务器另一个会话中启动NetworkWordCount,如下:
./bin/run-example org.apache.spark.examples.streaming.NetworkWordCount localhost 9999
脚本可以正常启动,如下:
clipboard.png

clipboard.png
CTRL+C 终止掉命令也看不到输出。
到底该怎么看 spark streaming的输出呢??


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可参考,https://blog.csdn.net/re_virt...,我的完全分布式,解决方法,也是将虚拟机核数修改为多核。我的文章http://www.cnblogs.com/biehon...。谢谢


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