Retrying connect to server: :9000. Already tried 0 time(s)
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在测试时,执行hadoop fs -put hello.txt /操作,得到以下错误信息:
14/03/24 10:39:33 INFO ipc.Client: Retrying connect to server: hadoop/192.168.80.100:9000. Already tried 0 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
产生的原因可能有三种:
1.根本就没有启动hadoop服务,导致连接不上,可以通过命令jps查看hadoop服务是否启动。
2.在start hadoop进程前,没有格式化hadoop文件系统,先执行: hadoop namenode -format即可。
3. 主机列表没有配置好,编辑/etc/hosts,将主机IP配置好。
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