[[Email protected] bin] # hadoop FS-ls/warning: $ hadoop_home is deprecated.14/07/29 13:25:35 info IPC. client: retrying connect to server: centhost. centdomain/10.110.30.30: 9000. already tried 0 time (s); retry policy is retryuptomaximumcountwithfixedsleep (maxretries = 10, sleeptime = 1 seconds) 14/07/29 13:25:36 info IPC. client: retrying connect to server: centhost. centdomain/10.110.30.30: 9000. already tried 1 time (s); retry policy is retryuptomaximumcountwithfixedsleep (maxretries = 10, sleeptime = 1 seconds) 14/07/29 13:25:37 info IPC. client: retrying connect to server: centhost. centdomain/10.110.30.30: 9000. already tried 2 time (s); retry policy is retryuptomaximumcountwithfixedsleep (maxretries = 10, sleeptime = 1 seconds) ^ Z [5] + stopped hadoop FS-ls/
As a result of not starting the hadoop node, go to hadoop bin to execute the start-all.sh. Solve the problem.