Error :Request header field Content-Type is not allowed by Access-Control-Allow-Headers post请求失败原因

package com.soccer.filter;

import com.alibaba.druid.filter.FilterChain;

import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
* Created by xx on 2017/3/17.
*/
public class AjaxFilter implements javax.servlet.Filter {
@Override
public void init(FilterConfig filterConfig) throws ServletException {

}

@Override
public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, javax.servlet.FilterChain filterChain) throws IOException, ServletException {
HttpServletResponse httpServletResponse=(HttpServletResponse)servletResponse;
httpServletResponse.setHeader("Access-Control-Allow-Origin", "*");
httpServletResponse.setHeader("Access-Control-Allow-Headers", "Authentication,Origin, X-Requested-With, Content-Type, Accept");
filterChain.doFilter(servletRequest,httpServletResponse);
}

@Override
public void destroy() {

}

}

<filter>
<filter-name>AjaxFilter</filter-name>
<filter-class>com.soccer.filter.AjaxFilter</filter-class>
</filter>

<filter-mapping>
<filter-name>AjaxFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>