How to retrieve the client IP address when Apache acts as a proxy for Tomcat?

[Mohamed Chaouchi]

Hello,

I am trying to retrieve the client IP address accessing the web 
services. Because Apache is our proxy for all requests, when I try to 
retrieve the client IP I always get the localhost IP: 127.0.0.1

The following code returns the localhost IP:

MessageContext msgContext = MessageContext.getCurrentContext();     
if(msgContext != null) {
     return msgContext.getProperty(Constants.MC_REMOTE_ADDR).toString();
}
return "Unknown";

From a servlet, obtaining the client IP address can be achieved using 
this code.

  String ipAddress = request.getHeader("x-forwarded-for");            
    if (ipAddress  == null) {
          ipAddress  = request.getHeader("X_FORWARDED_FOR");
          if (ipAddress == null){
              ipAddress  = request.getRemoteAddr();
          }
      }           
 return IPaddress ; 

Any help is greatly appreciated.

Thank you very much

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