Follow below steps to update JRE used for WPG.

Update WPG Integrated FTP/SFTP JRE

A. Download UPDI prerequisite 6.2.1.0-WS-WPG-IFJR44908.pak from link WPG Update Installer

B. Install pak 6.2.1.0-WS-WPG-IFJR44908.pak on WPG hub location where Integrated FTP/SFTP server is installed.

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

D. Download 6.2.1.2-WS-WPG-IFJR47328.pak from FixCentral.

E. Install pak 6.2.1.2-WS-WPG-IFJR47328.pak on WPG hub location where Integrated FTP/SFTP server is installed.

This will upgrade WPG Integrated FTP/SFTP JRE to 1.5 SR16 FP2