"IPC。RpcClient：在 hbase shell 中执行扫描表时重试连接到服务器"错误

Question

我是HBase的新手。通过快速入门 1.2.2 安装后，有时在 HBase shell 中扫描我的表 mytable 会引发以下错误：

1.8.7-p357 :005 > scan 'Customer'
ROW                                                          COLUMN+CELL                                                                                                                                                                     
2014-12-01 15:51:25,158 INFO  [main] ipc.RpcClient: Retrying connect to server: localhost/127.0.0.1:40228 after sleeping 100ms. Already tried 0 time(s).
2014-12-01 15:51:25,259 INFO  [main] ipc.RpcClient: Retrying connect to server: localhost/127.0.0.1:40228 after sleeping 100ms. Already tried 1 time(s).
2014-12-01 15:51:25,361 INFO  [main] ipc.RpcClient: Retrying connect to server: localhost/127.0.0.1:40228 after sleeping 100ms. Already tried 2 time(s).
2014-12-01 15:51:27,922 INFO  [main] ipc.RpcClient: Retrying connect to server: localhost/127.0.0.1:40228 after sleeping 100ms. Already tried 0 time(s).
2014-12-01 15:51:28,023 INFO  [main] ipc.RpcClient: Retrying connect to server: localhost/127.0.0.1:40228 after sleeping 100ms. Already tried 1 time(s).
2014-12-01 15:51:28,125 INFO  [main] ipc.RpcClient: Retrying connect to server: localhost/127.0.0.1:40228 after sleeping 100ms. Already tried 2 time(s).
2014-12-01 15:51:30,249 INFO  [main] ipc.RpcClient: Retrying connect to server: localhost/127.0.0.1:40228 after sleeping 100ms. Already tried 0 time(s).
2014-12-01 15:51:30,350 INFO  [main] ipc.RpcClient: Retrying connect to server: localhost/127.0.0.1:40228 after sleeping 100ms. Already tried 1 time(s).
2014-12-01 15:51:30,452 INFO  [main] ipc.RpcClient: Retrying connect to server: localhost/127.0.0.1:40228 after sleeping 100ms. Already tried 2 time(s).
2014-12-01 15:51:33,202 INFO  [main] ipc.RpcClient: Retrying connect to server: localhost/127.0.0.1:40228 after sleeping 100ms. Already tried 0 time(s).
2014-12-01 15:51:33,303 INFO  [main] ipc.RpcClient: Retrying connect to server: localhost/127.0.0.1:40228 after sleeping 100ms. Already tried 1 time(s).
2014-12-01 15:51:33,404 INFO  [main] ipc.RpcClient: Retrying connect to server: localhost/127.0.0.1:40228 after sleeping 100ms. Already tried 2 time(s).
2014-12-01 15:51:35,521 INFO  [main] ipc.RpcClient: Retrying connect to server: localhost/127.0.0.1:40228 after sleeping 100ms. Already tried 0 time(s).
2014-12-01 15:51:35,623 INFO  [main] ipc.RpcClient: Retrying connect to server: localhost/127.0.0.1:40228 after sleeping 100ms. Already tried 1 time(s).
2014-12-01 15:51:35,724 INFO  [main] ipc.RpcClient: Retrying connect to server: localhost/127.0.0.1:40228 after sleeping 100ms. Already tried 2 time(s).

HBase 客户端 API 也会引发运行异常，对此问题有什么建议吗？

Answer 1

重新启动Hadoop集群解决了我的问题。