// :: INFO ipc.Client: Retrying connect to server: master/10.0.0.124:. Already tried  time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=, sleepTime= SECONDS)
// :: INFO ipc.Client: Retrying connect to server: master/10.0.0.124:. Already tried time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=, sleepTime= SECONDS)
// :: INFO ipc.Client: Retrying connect to server: master/10.0.0.124:. Already tried time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=, sleepTime= SECONDS)
 你是否启动了hadoop (start-all.sh) 我犯的错误是这个
如果开启了,参考这里 http://blog.sina.com.cn/s/blog_4e4ee8ed01010de6.html

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