Firefox displays an error "To view Symantec Scan Engine administrator interface, please install Java Runtime Environment(JRE) 5.0 Update 6 or later" when browsing to the web interface for Scan Engine 5.2 on Redhat server

Products

• Scan Engine

Issue/Introduction

Scan Engine 5.2 is installed on Redhat server and when browsing to the web interface for Scan Engine 5.2 (https://localhost:8004), the error page is displayed.

To view Symantec Scan Engine administrator interface, please install Java Runtime Environment(JRE) 5.0 Update 6 or later.

When browsing from Internet Explorer, Scan engine page can be loaded without problem.
It's confirmed that supported Java Runtime Environment (JRE) 5.0 Update 6 or later is installed on the Redhat server.

Cause

Java plugin for firefox is missing in the /usr/lib/mozilla/plugins folder.

Resolution

To verify if Java plugin is properly installed for Firefox, type "about:plugins" in the address bar of the firefox.
If it's installed properly in the firefox, firefox will display some similar to this.

Installed plugins
Find more information about browser plugins at mozilla.org.
Help for installing plugins is available from plugindoc.mozdev.org.
Java(TM) Plug-in 1.6.0_16-b01

File name: libjavaplugin_oji.so
Java(TM) Plug-in 1.6.0_16

If it's not installed, create a symbolic link in the /usr/lib/mozilla/plugins folder pointing proper java plugin installed on the Linux server.

ln –s /usr/java/jre1.6.0_16/plugin/i386/ns7/libjavapluginoji.so /usr/lib/mozilla/plugins/libjavaplugin.so

The location of libjavapluginoji.so can be different depending on the version of java installed.

Restart Firefox and browse to https://localhost8004 and Scan Engine page should be loaded successfully.