从临时目录移动hadoop中的文件 在命令下使用: -
[Divya@localhost hadoop]$ bin/hadoop dfs -copyFromLocal /tmp/gutenberg /home/Divya/gutenberg
如何解决此错误: -
13/07/03 14:42:28 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:54310. Already tried 0 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
13/07/03 14:42:29 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:54310. Already tried 1 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
13/07/03 14:42:30 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:54310. Already tried 2 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
13/07/03 14:42:31 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:54310. Already tried 3 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
13/07/03 14:42:32 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:54310. Already tried 4 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
13/07/03 14:42:33 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:54310. Already tried 5 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
13/07/03 14:42:34 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:54310. Already tried 6 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
13/07/03 14:42:35 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:54310. Already tried 7 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
13/07/03 14:42:36 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:54310. Already tried 8 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
13/07/03 14:42:37 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:54310. Already tried 9 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
copyFromLocal: Call to localhost/127.0.0.1:54310 failed on connection exception: java.net.ConnectException: Connection refused
答案 0 :(得分:2)
检查您的localhost和此端口54310
上是否正在运行namenode进程答案 1 :(得分:1)
检查hadoop守护程序服务是否正常运行。以root身份使用JPS命令检查它们是否正常运行。确保已正确设置群集。
答案 2 :(得分:1)
解决此问题的最佳方法是
使用jps命令检查Hadoop Deamons是否正常运行。如果不是,则必须使用
格式化名称节点bin / hadoop namenode -format
此处有更多信息..
http://www.77-thoughts.com/hadoop-info-ipc-client-retrying-connect-to-server-localhost127-0-0-19000/