Could you try the same with the
org.omnifaces.filter.GzipResponseFilter turned off?
Check your application's web.xml and remove/comment the
<filter-mapping> for that filter.
I vaguely remember having problems with an alternate compression filter.
2012/11/5 <forums_at_java.net>:
> Please read and follow Atmosphere issue 722.
> https://github.com/Atmosphere/atmosphere/issues/722
>
> --
>
> [Message sent by forum member 'smithh032772']
>
> View Post: http://forums.java.net/node/891975
>
>