httpd.conf - apache rewrite rules are not working after adding proxy pass -

i trying rewrite url in apache internally redirect requests apache tomacat

here httpd.conf code

<ifmodule mod_rewrite.c>      proxyrequests off     proxyvia off     proxypreservehost on     proxypass / http://localhost:8080/myapp/my.html     proxypassreverse / http://localhost:8080/myapp/my.html      rewriteengine on      rewriterule ^/(.*)/$ http://localhost:8080/myapp/my.html?product=$1 [qsa]  </ifmodule> 

so trying if enter localhost/myapp should redirect me localhost:8080/myapp/my.html

next if enter url localhost/myapp/8 should redirect internally localhost:8080/myapp/my.html?product=8.

now problem proxypass working absolutely fine. rewrite rule showing 404 error. if remove proxypass code same rewrite rule works shows modified url in browser. want know should place rewriterule make work proxypass , y rewrite rule showing modified urls?

you need add [p] flag rewriterule. causes rewriterule 'proxy' same way proxypass directive does. @ moment rule doesn't make sense. alternatively like:

rewriterule ^/(.*)/$ /myapp/my.html?product=$1 [qsa,pt] 

which should cause url rewritten , passed through (this happens because of pt flag) remaining modules need process uri path, in case proxy module.

fyi terminology wrong, when if enter localhost/myapp should redirect me localhost:8080/myapp/my.html mean if enter localhost/myapp should proxy localhost:8080/myapp/my.html. redirect external response cases browser request new url , text in browsers address bar change.

mind you, current configuration, requesting localhost/ proxy localhost:8080/myapp/my.html. if can specify correct help.