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HDFS-5935. Merge change r1570663 from trunk. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1570664 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Jing Zhao 2014-02-21 18:57:41 +00:00
parent 555d4b513f
commit fc5238cd1f
2 changed files with 20 additions and 4 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -95,6 +95,9 @@ Release 2.4.0 - UNRELEASED
HDFS-5868. Make hsync implementation pluggable on the DataNode. HDFS-5868. Make hsync implementation pluggable on the DataNode.
(Buddy Taylor via Arpit Agarwal) (Buddy Taylor via Arpit Agarwal)
HDFS-5935. New Namenode UI FS browser should throw smarter error messages.
(Travis Thompson via jing9)
OPTIMIZATIONS OPTIMIZATIONS
HDFS-5790. LeaseManager.findPath is very slow when many leases need recovery HDFS-5790. LeaseManager.findPath is very slow when many leases need recovery

19
hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/explorer.js
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@ -66,9 +66,22 @@
function network_error_handler(url) { function network_error_handler(url) {
return function (jqxhr, text, err) { return function (jqxhr, text, err) {
var msg = '<p>Failed to retreive data from ' + url + ', cause: ' + err + '</p>'; switch(jqxhr.status) {
if (url.indexOf('/webhdfs/v1') === 0) { case 401:
msg += '<p>WebHDFS might be disabled. WebHDFS is required to browse the filesystem.</p>'; var msg = '<p>Authentication failed when trying to open ' + url + ': Unauthrozied.</p>';
break;
case 403:
if(jqxhr.responseJSON !== undefined && jqxhr.responseJSON.RemoteException !== undefined) {
var msg = '<p>' + jqxhr.responseJSON.RemoteException.message + "</p>";
break;
}
var msg = '<p>Permission denied when trying to open ' + url + ': ' + err + '</p>';
break;
case 404:
var msg = '<p>Path does not exist on HDFS or WebHDFS is disabled. Please check your path or enable WebHDFS</p>';
break;
default:
var msg = '<p>Failed to retreive data from ' + url + ': ' + err + '</p>';
} }
show_err_msg(msg); show_err_msg(msg);
}; };