hadoop fsck가 작동하지 않습니다.

hadoop fsck 유틸리티를 사용해 보았지만 작동하지 않습니다. 이 컴퓨터에는 CDH3 (cloudera 관리자를 통해)이 설치되어 있습니다. 하지만 ssh를 사용하면 mynamenode에 연결할 수 있습니다. 울부 짖는 소리 로그 :hadoop fsck가 작동하지 않습니다.

[18:54][email protected]:~$ hadoop fsck -fs "hdfs://namenode:8020/"/
12/09/17 18:55:01 ERROR security.UserGroupInformation: PriviledgedActionException as:hdfs (auth:SIMPLE) cause:java.net.ConnectException: Connection refused 
Exception in thread "main" java.net.ConnectException: Connection refused 
     at java.net.PlainSocketImpl.socketConnect(Native Method) 
     at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339) 
     at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:198) 
     at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182) 
     at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:391) 
     at java.net.Socket.connect(Socket.java:579) 
     at java.net.Socket.connect(Socket.java:528) 
     at sun.net.NetworkClient.doConnect(NetworkClient.java:180) 
     at sun.net.www.http.HttpClient.openServer(HttpClient.java:388) 
     at sun.net.www.http.HttpClient.openServer(HttpClient.java:483) 
     at sun.net.www.http.HttpClient.<init>(HttpClient.java:213) 
     at sun.net.www.http.HttpClient.New(HttpClient.java:300) 
     at sun.net.www.http.HttpClient.New(HttpClient.java:316) 
     at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:992) 
     at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:928) 
     at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:846) 
     at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1296) 
     at org.apache.hadoop.hdfs.tools.DFSck$1.run(DFSck.java:141) 
     at org.apache.hadoop.hdfs.tools.DFSck$1.run(DFSck.java:110) 
     at java.security.AccessController.doPrivileged(Native Method) 
     at javax.security.auth.Subject.doAs(Subject.java:415) 
     at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1177) 
     at org.apache.hadoop.hdfs.tools.DFSck.run(DFSck.java:110) 
     at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) 
     at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79) 
     at org.apache.hadoop.hdfs.tools.DFSck.main(DFSck.java:182) 
[18:55][email protected]:~$ ssh namenode 
Last login: Thu Jul 19 18:57:29 2012 from 10.162.72.241 

Appliance:  cloudera-demo-vm appliance 3.0 
Hostname:  namenode 
IP Address:  10.162.72.240 

[18:55][email protected]:~$

내가 이해하지 어떻게 디버깅이 문제 ... 나는 누군가가 나를 도울 수 있기를 바랍니다.

출처

2012-09-17 Kukuruka