Fixed Issues in Cloudera Runtime 7.2.17.800

You can review the list of reported issues and their fixes in Cloudera Runtime 7.2.17.800.

CDPD-73217: Backport 'add security-related HTTP headers'
Security-related HTTP headers are added to the Kudu embedded webserver to comply with security scanner requirements.

Known issue: CDPD-77399

HBase fails to register the servlet metrics and throws ClassNotFoundException: org.apache.hadoop.metrics.MetricsServlet
The MetricsServlet class is a Hadoop 2-based metric servlet unavailable in Hadoop 3 deployments.
Workaround: Ignore this WARN log message during HBase Master and RegionServer startup.
Apache Issue: HBASE-28315