Getting below error for the VIP

I made the following test on server. If I do a curl on http://uat2-jboss7.digital-solutions.kamlesh.com:8080/rest2ldap/users/admin_f2400731 I got an answer from my application.

Your iRule will ALWAYS change that to be http://uat-jboss7.digital-solutions.kamlesh.com:8080/rest2ldap

That is why it works direct to the server but not when processed by the BigIP. Try this:

when HTTP_REQUEST {
  set orig_uri [HTTP::uri]
  if { [string tolower [HTTP::host]] ends_with ".directory.kamlesh.com" } { 
    pool pool_uat_jboss7 
    HTTP::uri /rest2ldap$orig_uri
  } 
}