Follow below steps to update JRE used for WPG.

Update WPG Integrated FTP/SFTP JRE

A. Stop Integrated FTP/SFTP server, if running.

B. Download 6.2.1.3-WS-WPG-IFJR51896.pak from FixCentral.

C. Install pak 6.2.1.3-WS-WPG-IFJR51896.pak on WPG hub location where Integrated FTP/SFTP server is installed.

This will upgrade WPG Integrated FTP/SFTP JRE to 1.6 SR16-FP2