Fixed Issues in Apache Solr

Review the list of Solr issues that are resolved in Cloudera Runtime 7.2.15.

Number of warning messages in Solr logs reduced (backport of SOLR-11623)

Every request handler now implement PermissionNameProvider interface and provide "ALL" permission type if no authorization checks are necessary.

Support for HSTS Security Protocol added (Backport of SOLR-15578)
Manually editing the jetty.xml file as a workaround to enable HSTS is no longer necessary.