Hadoop运行MR程序报错

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Client.RMProxy注意端口号
如果是8032,很可能是你的yarn没有启动。

17/11/27 14:08:50 INFO client.RMProxy: Connecting to ResourceManager at /0.0.0.0:803217/11/27 14:08:51 INFO ipc.Client: Retrying connect to server: 0.0.0.0/0.0.0.0:8032. Already tried 0 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)17/11/27 14:08:52 INFO ipc.Client: Retrying connect to server: 0.0.0.0/0.0.0.0:8032. Already tried 1 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)

解决方案:

start-yarn.sh

如果是10020可能是hadoop的historyserver服务没有启动。

解决方案:启动historyserver:

mr-jobhistory-daemon.sh start historyserver
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