我已经使用 Kerberos (CDH4.3) 配置了启用安全性的 Hadoop HDFS。它工作正常,我可以使用命令行工具完成所有操作。还有一些其他非 hadoop 集群节点需要通过 REST API 访问 HDFS 文件系统,所以我启用了 webhdfs 并配置了 Kerberos。
我的安全 webhdfs 适用于不涉及临时重定向的操作:即 LISTSTATUS、创建目录、删除目录、删除文件,一切正常。但是对于创建文件、打开文件等两步操作,它失败并显示以下信息:
[DEV][root@namenode ~]# curl -i --negotiate -u : -X
PUT "http: //namenode:50070/webhdfs/v1/tmp/hosts.txt?op=CREATE"
HTTP/1.1 401
Date: Fri, 25 Apr 2014 02:45:48 GMT
Pragma: no-cache
Date: Fri, 25 Apr 2014 02:45:48 GMT
Pragma: no-cache
WWW-Authenticate: Negotiate
Set-Cookie: hadoop.auth=;Path=/;Expires=Thu, 01-Jan-1970 00:00:00 GMT
Content-Length: 0
Server: Jetty(6.1.26.cloudera.2)
HTTP/1.1 307 TEMPORARY_REDIRECT
Cache-Control: no-cache
Expires: Thu, 01-Jan-1970 00:00:00 GMT
Date: Fri, 25 Apr 2014 02:45:48 GMT
Pragma: no-cache
Date: Fri, 25 Apr 2014 02:45:48 GMT
Pragma: no-cache
Set-Cookie:
hadoop.auth="u=hdfs&p=hdfs@UNIXKRB&t=kerberos&e=1398429948267&s=XhEp/tfs5Pfp04Dp
9yy1moFPnEo=";Path=/
Location: http: //datanode.net:1006/webhdfs/v1/tmp/hosts.txt?
op=CREATE&delegation=HgAEaGRmcwRoZGZzAIoBRZbGSGyKAUW60sxsWo4BAhTfG8IRyDJjJ2BSR7K
hveMEo3V4dxJXRUJIREZTIGRlbGVnYXRpb24NMC4wLjAuMDo1MDA3MA&namenoderpcaddress=
namenode.net:8020&overwrite=false
Content-Type: application/octet-stream
Content-Length: 0
Server: Jetty(6.1.26.cloudera.2)
[DEV][root@namenode~]# curl -i -X PUT -T hosts.txt
http: //datanode.net:1006/webhdfs/v1/tmp/hosts.txt?
op=CREATE&delegation=HgAEaGRmcwRoZGZzAIoBRZbGSGyKAUW60sxsWo4BAhTfG8IRyDJjJ2
BSR7KhveMEo3V4dxJXRUJIREZTIGRlbGVnYXRpb24NMC4wLjAuMDo1MDA3MA&namenoderpcaddress=
namenode.net:8020&overwrite=false
[2] 19047
[3] 19048
[4] 19049
[DEV][root@namenode~]# HTTP/1.1 100 Continue
HTTP/1.1 401 Unauthorized
Cache-Control: no-cache
Expires: Fri, 25 Apr 2014 02:46:26 GMT
Date: Fri, 25 Apr 2014 02:46:26 GMT
Pragma: no-cache
Expires: Fri, 25 Apr 2014 02:46:26 GMT
Date: Fri, 25 Apr 2014 02:46:26 GMT
Pragma: no-cache
Content-Type: application/json
Transfer-Encoding: chunked
Server: Jetty(6.1.26.cloudera.2)
{"RemoteException":
{"exception":"SecurityException","javaClassName":"java.lang.SecurityException",
"message":"Failed to obtain user group information: java.io.IOException:
Security enabled but user not authenticated by filter"}}
[2] Done curl -i -X PUT -T hosts.txt
http://datanode.net:1006/webhdfs/v1/tmp/hosts.txt?op=CREATE
[3] Done
delegation=HgAEaGRmcwRoZGZzAIoBRZbGSGyKAUW60sxsWo4BAhTfG8IRyDJjJ2BSR7KhveM
Eo3V4dxJXRUJIREZTIGRlbGVnYXRpb24NMC4wLjAuMDo1MDA3MA
[4]- Done namenoderpcaddress=namenode.net:8020
[DEV][root@namenode ~]#
有没有人可以点亮一些灯?
非常感谢,