master的日志org.apache.hadoop.ipc.Client: Retrying connect to server:

master的日志全是下面内容：

2014-03-24 23:39:27,053 INFO org.apache.hadoop.util.NativeCodeLoader: Loaded the native-hadoop library
2014-03-24 23:39:28,294 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: Master/192.168.222.136:49000. Already tried 0 time(s); retry policy is RetryUpToM
aximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
2014-03-24 23:39:29,295 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: Master/192.168.222.136:49000. Already tried 1 time(s); retry policy is RetryUpToM
aximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
2014-03-24 23:39:30,297 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: Master/192.168.222.136:49000. Already tried 2 time(s); retry policy is RetryUpToM
aximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
2014-03-24 23:39:31,298 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: Master/192.168.222.136:49000. Already tried 3 time(s); retry policy is RetryUpToM
aximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
2014-03-24 23:39:32,299 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: Master/192.168.222.136:49000. Already tried 4 time(s); retry policy is RetryUpToM
aximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
2014-03-24 23:39:33,299 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: Master/192.168.222.136:49000. Already tried 5 time(s); retry policy is RetryUpToM
aximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
2014-03-24 23:39:34,301 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: Master/192.168.222.136:49000. Already tried 6 time(s); retry policy is RetryUpToM
aximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
2014-03-24 23:39:35,302 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: Master/192.168.222.136:49000. Already tried 7 time(s); retry policy is RetryUpToM
aximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
2014-03-24 23:39:36,303 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: Master/192.168.222.136:49000. Already tried 8 time(s); retry policy is RetryUpToM
aximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
2014-03-24 23:39:37,304 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: Master/192.168.222.136:49000. Already tried 9 time(s); retry policy is RetryUpToM
aximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
2014-03-24 23:39:37,306 INFO org.apache.hadoop.ipc.RPC: Server at Master/192.168.222.136:49000 not available yet, Zzzzz...
2014-03-24 23:39:39,307 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: Master/192.168.222.136:49000. Already tried 0 time(s); retry policy is RetryUpToM
aximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)

1.确保你的master已经启动
2.关闭防火墙 ，slave的也要关