I was having exactly the problem you describes but it has been solved making what Sébastien Chaumat suggest:
The issue is solved for me (so far) by simply replacing the ProxyPass directive by a RewriteRule :
RewriteEngine on RewriteRule ^/(.*) http://real-server:8080/$1 [P] ProxyPassReverse / http://real-server:8080/
that solves the error (I'm using apache to redirect from different domains to different servers)
I was having exactly the problem you describes but it has been solved making what Sébastien Chaumat suggest:
The issue is solved for me (so far) by simply replacing the ProxyPass directive by a RewriteRule :
RewriteEngine on real-server: 8080/$1 [P]
ProxyPassRever se / http:// real-server: 8080/
RewriteRule ^/(.*) http://
that solves the error (I'm using apache to redirect from different domains to different servers)