在虚拟机的Redhat6.5系统安装Portal，启动 ./setup.sh 安装程序时，总会报找不到可支持的浏览器，但系统明明装有火狐的，请问这是怎么回事呢？烦请高人帮忙解答。
报错信息如下：
+ firefox -P Profile_2800 -profile /tmp/IBM_LaunchPad_2800/Profile_2800 file:///opt/wp8/Setup/launchpad/Mozilla.html
(firefox:2986): GnomeUI-WARNING **: While connecting to session manager:
None of the authentication protocols specified are supported.
An error occurred while starting the launchpad. This error typically occurs when the launchpad is unable to find a supported browser. Check your product's documentation for a list of supported browsers.
NOTE: This file is a place holder for product specific instructions about how to recover from this error.
You should describe the location of installation programs on the product CD so the user can run them directly without starting launchpad if necessary.
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