[Cppcms-users] Help on multiple concurrent request failure

Dear all,
When I try to test multiple request multiple connections on cppcms I am recieving a lot of read errors. I tried to program the url mapping hello world into asynchronous but I was still getting the same read errors when I tested it with `wrk` program.
What am I doing wrong? Pls help.
If it matters, Here is the command I used for wrk
`./wrk -t 1 -c 1 -d5s http://localhost:8080/hello `
While this is the async url mapping hello world.
`#include <cppcms/application.h>
#include <cppcms/service.h>
#include <cppcms/http_response.h>
#include <cppcms/url_dispatcher.h>
#include <cppcms/url_mapper.h>
#include <cppcms/applications_pool.h>
#include <iostream>
#include <stdlib.h>
#include <booster/intrusive_ptr.h>
#include <cppcms/applications_pool.h>
#include <cppcms/http_request.h>
#include <cppcms/http_context.h>
#include <set>
#ifdef USE_STD_TR1_BIND
  #include <tr1/functional>
  using std::tr1::bind;
#elif defined USE_STD_BIND
  #include <functional>
  using std::bind;
#endif
class hello: public cppcms::application {
public:
    hello(cppcms::service &srv) :
        cppcms::application(srv)     {
        dispatcher().assign("/number/(\\d+)",&hello::number,this,1);
        mapper().assign("number","/number/{1}");
        dispatcher().assign("/smile",&hello::smile,this);
        mapper().assign("smile","/smile");
        dispatcher().assign("",&hello::welcome,this);
        mapper().assign("");
        mapper().root("/hello");
    }
    void number(std::string num)
    {
        int no = atoi(num.c_str());
        response().out() << "The number is " << no << "<br/>\n";
        response().out() << "<a href='" << url("/") << "'>Go back</a>";
    }
    void smile()
    {
        response().out() << ":-) <br/>\n";
        response().out() << "<a href='" << url("/") << "'>Go back</a>";
    }
    void welcome()
    {
        response().out() <<             "<h1> Wellcome To Page with links </h1>\n"
            "<a href='" << url("/number",1) << "'>1</a><br>\n"
            "<a href='" << url("/number",15) << "'>15</a><br>\n"
            "<a href='" << url("/smile") << "' >:-)</a><br>\n";
    }
};
int main(int argc,char ** argv)
{
    try {
        cppcms::service service(argc,argv);
        booster::intrusive_ptr<hello> c=new hello(service);
        service.applications_pool().mount(c);
        service.run();
    }
    catch(std::exception const &e) {
        std::cerr<<"Catched exception: "<<e.what()<<std::endl;
        return 1;
    }
    return 0;
}
// vim: tabstop=4 expandtab shiftwidth=4 softtabstop=4`

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