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
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@ -95,6 +95,9 @@ Release 2.4.0 - UNRELEASED
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HDFS-5868. Make hsync implementation pluggable on the DataNode.
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(Buddy Taylor via Arpit Agarwal)
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HDFS-5935. New Namenode UI FS browser should throw smarter error messages.
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(Travis Thompson via jing9)
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OPTIMIZATIONS
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HDFS-5790. LeaseManager.findPath is very slow when many leases need recovery
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@ -66,10 +66,23 @@
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function network_error_handler(url) {
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return function (jqxhr, text, err) {
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var msg = '<p>Failed to retreive data from ' + url + ', cause: ' + err + '</p>';
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if (url.indexOf('/webhdfs/v1') === 0) {
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msg += '<p>WebHDFS might be disabled. WebHDFS is required to browse the filesystem.</p>';
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}
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switch(jqxhr.status) {
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case 401:
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var msg = '<p>Authentication failed when trying to open ' + url + ': Unauthrozied.</p>';
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break;
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case 403:
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if(jqxhr.responseJSON !== undefined && jqxhr.responseJSON.RemoteException !== undefined) {
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var msg = '<p>' + jqxhr.responseJSON.RemoteException.message + "</p>";
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break;
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}
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var msg = '<p>Permission denied when trying to open ' + url + ': ' + err + '</p>';
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break;
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case 404:
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var msg = '<p>Path does not exist on HDFS or WebHDFS is disabled. Please check your path or enable WebHDFS</p>';
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break;
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default:
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var msg = '<p>Failed to retreive data from ' + url + ': ' + err + '</p>';
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}
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show_err_msg(msg);
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};
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}
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