These release notes cover new developer and user-facing incompatibilities, important issues, features, and major improvements.
This fixes a bug where Hive could trigger a deadlock condition in the Hadoop configuration management code.
Users can use the conf servlet to get the server-side configuration. Users can
1) connect to http_server_url/conf or http_server_url/conf?format=xml and get XML-based configuration description; 2) connect to http_server_url/conf?format=json and get JSON-based configuration description.
someone has discovered this bug and it has been resolved
Fixed a bug in TaskTracker’s heartbeat to keep it under control.