hadoop dfsadmin -safemode leave 23/06/11 10:31:06 INFO ipc.Client: Retrying connect to server: /192.168.0.169:9000. Already tried 0 time(s). 23/06/11 10:31:07 INFO ipc.Client: Retrying connect to server: /192.168.0.169:9000. Already tried 1 time(s). 23/06/11 10:31:08 INFO ipc.Client: Retrying connect to server: /192.168.0.169:9000. Already tried 2 time(s). 23/06/11 10:31:09 INFO ipc.Client: Retrying connect to server: /192.168.0.169:9000. Already tried 3 time(s). 23/06/11 10:31:10 INFO ipc.Client: Retrying connect to server: /192.168.0.169:9000. Already tried 4 time(s). 23/06/11 10:31:11 INFO ipc.Client: Retrying connect to server: /192.168.0.169:9000. Already tried 5 time(s). 23/06/11 10:31:12 INFO ipc.Client: Retrying connect to server: /192.168.0.169:9000. Already tried 6 time(s). 23/06/11 10:31:13 INFO ipc.Client: Retrying connect to server: /192.168.0.169:9000. Already tried 7 time(s). 23/06/11 10:31:14 INFO ipc.Client: Retrying connect to server: /192.168.0.169:9000. Already tried 8 time(s). 23/06/11 10:31:15 INFO ipc.Client: Retrying connect to server: /192.168.0.169:9000. Already tried 9 time(s). Bad connection to DFS... command aborted.

这个问题看起来像是无法连接到Hadoop的NameNode。您可以尝试以下步骤来解决这个问题：

1. 检查NameNode是否正在运行。您可以使用jps命令检查是否有NameNode进程运行。

2. 检查防火墙设置。如果Hadoop集群使用防火墙，请确保防火墙允许与NameNode通信的端口。

3. 检查Hadoop配置文件中的NameNode地址是否正确。

4. 检查集群中其他节点的网络连接是否正常。如果其他节点无法连接到NameNode，则可能是网络问题。

如果您尝试了这些步骤后仍然无法解决问题，请提供更多的错误信息以及您的Hadoop配置文件，以便我们进一步帮助您解决问题。

相关问题

hadoop dfsadmin -safemode leave 23/06/11 10:14:32 INFO ipc.Client: Retrying connect to server: /192.168.0.169:9000. Already tried 0 time(s). 23/06/11 10:14:33 INFO ipc.Client: Retrying connect to server: /192.168.0.169:9000. Already tried 1 time(s). 23/06/11 10:14:34 INFO ipc.Client: Retrying connect to server: /192.168.0.169:9000. Already tried 2 time(s). 23/06/11 10:14:35 INFO ipc.Client: Retrying connect to server: /192.168.0.169:9000. Already tried 3 time(s). 23/06/11 10:14:36 INFO ipc.Client: Retrying connect to server: /192.168.0.169:9000. Already tried 4 time(s). 23/06/11 10:14:37 INFO ipc.Client: Retrying connect to server: /192.168.0.169:9000. Already tried 5 time(s). 23/06/11 10:14:38 INFO ipc.Client: Retrying connect to server: /192.168.0.169:9000. Already tried 6 time(s). 23/06/11 10:14:39 INFO ipc.Client: Retrying connect to server: /192.168.0.169:9000. Already tried 7 time(s). 23/06/11 10:14:40 INFO ipc.Client: Retrying connect to server: /192.168.0.169:9000. Already tried 8 time(s). 23/06/11 10:14:41 INFO ipc.Client: Retrying connect to server: /192.168.0.169:9000. Already tried 9 time(s). Bad connection to DFS... command aborted.

这段信息是关于 Hadoop 的 dfsadmin 命令在执行 "safemode leave" 操作时连接到服务器失败的日志信息。根据日志信息，客户端尝试连接到服务器 /192.168.0.169:9000，但连接失败了。由于连接失败多次，最终命令被中止了。这可能是由于网络连接问题或服务器故障引起的。

hadoop fs -ls 23/06/11 11:09:09 INFO ipc.Client: Retrying connect to server: /192.168.0.169:9000. Already tried 0 time(s). 23/06/11 11:09:10 INFO ipc.Client: Retrying connect to server: /192.168.0.169:9000. Already tried 1 time(s). 23/06/11 11:09:11 INFO ipc.Client: Retrying connect to server: /192.168.0.169:9000. Already tried 2 time(s). 23/06/11 11:09:12 INFO ipc.Client: Retrying connect to server: /192.168.0.169:9000. Already tried 3 time(s). 23/06/11 11:09:13 INFO ipc.Client: Retrying connect to server: /192.168.0.169:9000. Already tried 4 time(s). 23/06/11 11:09:14 INFO ipc.Client: Retrying connect to server: /192.168.0.169:9000. Already tried 5 time(s). 23/06/11 11:09:15 INFO ipc.Client: Retrying connect to server: /192.168.0.169:9000. Already tried 6 time(s). 23/06/11 11:09:16 INFO ipc.Client: Retrying connect to server: /192.168.0.169:9000. Already tried 7 time(s). 23/06/11 11:09:17 INFO ipc.Client: Retrying connect to server: /192.168.0.169:9000. Already tried 8 time(s). 23/06/11 11:09:18 INFO ipc.Client: Retrying connect to server: /192.168.0.169:9000. Already tried 9 time(s). Bad connection to FS. command aborted.

这个错误信息表明 Hadoop 客户端无法连接到 Hadoop 文件系统。可能是由于文件系统宕机、网络故障、配置错误或其他原因导致。建议检查 Hadoop 集群的状态和配置，以及网络连接是否正常。您可以尝试使用 ping 命令检查网络连接是否正常。如果网络连接正常，您可以查看 Hadoop 集群的日志文件，查找更详细的错误信息以解决问题。