1. Java Developer's Guide
  2. Introduction to Java in Oracle Database
  3. Changes in This Release for Oracle Database Java Developer's Guide

1.1 Changes in This Release for Oracle Database Java Developer's Guide

This section contains the changes in this book for Oracle Database Release 21c.

New Features

  • RAC Rolling Oracle JVM Patching

    This release furnishes the zero brownout and rolling patching features of Oracle JVM in clustered database (Oracle RAC) environments.

  • Security enhancements
    In this release, the following lockdown profiles are implemented:
    • Confining Operating System file accesses in paths within the PATH_PREFIX parameter
    • The ability to specify Operating System (OS) user identity when forking OS processes

    See Also:

    Database Security in Multitenant Environment