1. HTML Server on Oracle WebLogic Server Reference Guide for Unix
  2. Installing and Verifying the JDK Version

Installing and Verifying the JDK Version

Oracle WebLogic Server 12.1.3 supports Oracle JDK 1.7.0+ and JDK 1.8.0+ versions. Oracle JDK can be downloaded from the Oracle Software Delivery Cloud at this link:

http://edelivery.oracle.com

Note: A plus sign '+' after the fourth digit in the version number indicates that this and its subsequent versions are supported.
Caution: For Oracle WebLogic Server 12.1.3, no version of JDK 1.6.x from any vendor is supported.