Scala WorkCount (null) entry in command string: null ls -F
java.io.IOException: (null) entry in command string: null ls -F+一个文件路径:解决方法
运行环境为idea,本地运行scala编写的WordCount实例时,出现了java.io.IOException: (null) entry in command string: null ls -F+文件路径的错误。
原因是想要一次性加载所有文件,但是在加载所有文件的时候,路径指向的写法不对。
我想要读取的是datas下面的所有文件:
原本的代码:val value = sc.textFile("datas")
修改为:val value = sc.textFile("{datas/*}")
运行成功
Scala WorkCount (null) entry in command string: null ls -FScala WorkCount (null) entry in command string: null ls -FScala WorkCount (null) entry in command string: null ls -FScala WorkCount (null) entry in command string: null ls -FScala WorkCount (null) entry in command string: null ls -FScala WorkCount (null) entry in command string: null ls -FScala WorkCount (null) entry in command string: null ls -FScala WorkCount (null) entry in command string: null ls -FScala WorkCount (null) entry in command string: null ls -F