Apache Hadoop 2.8.3 Release Notes

These release notes cover new developer and user-facing incompatibilities, important issues, features, and major improvements.

Conf HTTP service should set response’s content type according to the Accept header in the request.

Configuration.dumpConfiguration no longer prints out the clear text values for the sensitive keys listed in hadoop.security.sensitive-config-keys. Callers can override the default list of sensitive keys either to redact more keys or print the clear text values for a few extra keys for debugging purpose.