Upgrade Oracle WebLogic Server

Before you upgrade to 3.5, you need to upgrade Oracle WebLogic Server by completing the following tasks:

• Create a Backup of the Existing Environment
  
• Install Oracle Java Development Kit (JDK)
  
• Install Oracle WebLogic Server 14.1.2
  
• Update the Datasource Username
  Avoid the invalid WLS component schema owner error during the readiness check.
• Run the Upgrade Assistant for Readiness Check
  
• Run the Upgrade Assistant to Upgrade Database Schemas
  
• Run the Reconfiguration Wizard
  
• Run the Upgrade Assistant to Upgrade Domain Configurations
  
• Perform the Post-Upgrade Tasks
  
• Restart the Administration and Managed Servers
  
• Modify the AppsDataSource in WebLogic Remote Console