Jquery调用Java RESTful服务不工作CORS [英] Jquery call of Java RESTful service not working CORS
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问题描述
我有一个休息服务部署在Tomcat 7并运行。我可以通过浏览器获取响应数据，但是当我通过jQuery尝试它显示一个错误。请检查快照。
@Override
public void doFilter（ServletRequest req，ServletResponse res，
FilterChain链接）throws IOException，ServletException {
HttpServletRequest httpReq =（HttpServletRequest）req;
HttpServletResponse httpRes =（HttpServletResponse）res;
//System.out.println(\"Client Ip is：+ SecurityFilter.getClientIpAddr（httpReq））;
String domain = new URL（httpReq.getRequestURL（）。toString（））。getHost（）;
//System.out.println(\"Domain is+ domain）;
// referrer
String referrer = httpReq.getHeader（referer）;
//System.out.println(\"Referral URL is - + referrer）;
//安全密钥
String securityKey = httpReq.getParameter（secKey）;
//System.out.println(\"Security Key Parameter+ securityKey）;
//原始
//没有起始标头存在意味着这不是一个跨域请求
String clientOrigin = httpReq.getHeader（Origin）;
//System.out.println(\"Origin of the request+ clientOrigin）;
// CORS实现
httpRes.addHeader（Access-Control-Allow-Origin，*）;
httpRes.addHeader（Access-Control-Allow-Methods，GET，POST，OPTIONS）;
// httpRes.addHeader（Access-Control-Allow-Origin，clientOrigin）;
if（OPTIONS.equalsIgnoreCase（httpReq.getMethod（）））{
httpRes.addHeader（Access-Control-Allow-Credentials，true）;
}
ValidateClient vl = new ValidateClient（）;
String secKey =fmg_seckey; //SEC_1;;
String clientUrl =fmggroup.com; //www.xyzclient1.com;
//如果请求来自第三方。如果所有
//请求来自同一服务器，则引用将为null。
if（referrer！= null）{
clientUrl = referrer.split（/）[2];
secKey = securityKey;
}
//System.out.println(\"Security Key+ secKey）;
//System.out.println（客户端的域名+ clientUrl）;
if（vl.isValidClient（secKey，clientUrl））{
// httpReq.getRequestDispatcher（/ intellixservices / activetime）。forward（httpReq，httpRes）;
chain.doFilter（httpReq，httpRes）;
} else {
httpRes.sendError（HttpServletResponse.SC_UNAUTHORIZED，未授权）;
// httpReq.getRequestDispatcher（/ intellixservices / exception）。forward（httpReq，
// httpRes）;
}
}
class：
// CORS实现
private String corsHeaders;
私人响应makeCORS（ResponseBuilder responseBuilder，弦乐returnMethod）{
ResponseBuilder RB = responseBuilder.header（访问控制允许来源，*）
.header （Access-Control-Allow-Methods，GET，POST，OPTIONS）;
if（！。equals（returnMethod））{
rb.header（Access-Control-Allow-Headers，returnMethod）;
}
return rb.build（）;
}
私人回复makeCORS（ResponseBuilder responseBuilder）{
return makeCORS（responseBuilder，corsHeaders）;
}
@OPTIONS
公开回应getEmployee的（@HeaderParam（访问控制请求报头）字符串请求）{
corsHeaders =请求;
return makeCORS（Response.ok（），request）;
}
，然后返回
响应response = Response.status（404）.build（）;
if（mf！= null）{
response = makeCORS（Response.status（200）.entity（mf））;
} else {
response = makeCORS（Response.status（500））;
}
返回响应;
我无法解决。请建议。
p>
这是我的jQuery调用：
< html>
< head>
< meta http-equiv =Content-Typecontent =text / html; charset = ISO-8859-1>
< script type =text / javascript
src =http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js>< ; / script>
< script type =application / javascript>
（函数（$）{
VAR URL =的http：//本地主机：8888 / IntellixWebApi / intellixservices / dnareport / MTk3MC0wOS0wNFQwNjowNTowMA == / NDEuNTU4MTUyNSA = / LTczLjA1MTQ5NjYg / QW1lcmljYS9OZXdfWW9yaw == / MTpBOjB8QToxOjF8MToxOjE = / JSON ;
$ .ajax（{
type：'GET'，
url：url，
async：true，
contentType：'application / json '，
success：function（response）{
alert（success）;
}，
error：function（xhr）{
alert Status ='+ xhr.status +Message =+ xhr.statusText）;
}
}）;
}）（jQuery）;
< / script>
< / head>
< body>
<！ - 我们将在这里添加我们的HTML内容 - >
< / body>
< / html>
解决方案
。我在web.xml中添加了CORS过滤器和java实用程序jar过滤器以及一些配置更改。这些链接是非常有帮助的。
的链接1
感谢大家的帮助。
I have one rest service deployed on Tomcat 7 and running. I can get the response data through browser, but when I tried it through jQuery it is showing an error. Please Check the snapshot.
@Override
public void doFilter(ServletRequest req, ServletResponse res,
FilterChain chain) throws IOException, ServletException {
HttpServletRequest httpReq = (HttpServletRequest) req;
HttpServletResponse httpRes = (HttpServletResponse) res;
//System.out.println("Client Ip is : "+ SecurityFilter.getClientIpAddr(httpReq));
String domain = new URL(httpReq.getRequestURL().toString()).getHost();
//System.out.println("Domain is " + domain);
// referrer
String referrer = httpReq.getHeader("referer");
//System.out.println("Referral URL is -" + referrer);
// Security Key
String securityKey = httpReq.getParameter("secKey");
//System.out.println("Security Key Parameter " + securityKey);
// Origin
// No Origin header present means this is not a cross-domain request
String clientOrigin = httpReq.getHeader("Origin");
//System.out.println("Origin of the Request " + clientOrigin);
// CORS implementation
httpRes.addHeader("Access-Control-Allow-Origin", "*");
httpRes.addHeader("Access-Control-Allow-Methods", "GET, POST, OPTIONS");
// httpRes.addHeader("Access-Control-Allow-Origin", clientOrigin);
if ("OPTIONS".equalsIgnoreCase(httpReq.getMethod())) {
httpRes.addHeader("Access-Control-Allow-Credentials", "true");
}
ValidateClient vl = new ValidateClient();
String secKey = "fmg_seckey"; //"SEC_1";;
String clientUrl = "fmggroup.com";//"www.xyzclient1.com";
// if request is coming from third party. Referral will be null if all
// request is from same server.
if (referrer != null) {
clientUrl = referrer.split("/")[2];
secKey = securityKey;
}
//System.out.println("Security Key " + secKey);
//System.out.println("Domain Name for the client " + clientUrl);
if (vl.isValidClient(secKey, clientUrl)) {
// httpReq.getRequestDispatcher("/intellixservices/activetime").forward(httpReq,httpRes);
chain.doFilter(httpReq, httpRes);
} else {
httpRes.sendError(HttpServletResponse.SC_UNAUTHORIZED,"Not Authorised");
// httpReq.getRequestDispatcher("/intellixservices/exception").forward(httpReq,
// httpRes);
}
}
in the resource class:
// CORS implementation
private String corsHeaders;
private Response makeCORS(ResponseBuilder responseBuilder, String returnMethod) {
ResponseBuilder rb = responseBuilder.header("Access-Control-Allow-Origin", "*")
.header("Access-Control-Allow-Methods", "GET, POST, OPTIONS");
if (!"".equals(returnMethod)) {
rb.header("Access-Control-Allow-Headers", returnMethod);
}
return rb.build();
}
private Response makeCORS(ResponseBuilder responseBuilder) {
return makeCORS(responseBuilder, corsHeaders);
}
@OPTIONS
public Response getEmployee(@HeaderParam("Access-Control-Request-Headers") String request) {
corsHeaders = request;
return makeCORS(Response.ok(), request);
}
and then returning
Response response = Response.status(404).build();
if (mf != null) {
response = makeCORS(Response.status(200).entity(mf));
} else {
response = makeCORS(Response.status(500));
}
return response;
I am unable to resolve it. Please suggest.
This is my jQuery Call :-
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<script type="text/javascript"
src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<script type="application/javascript">
(function($) {
var url = 'http://localhost:8888/IntellixWebApi/intellixservices/dnareport/MTk3MC0wOS0wNFQwNjowNTowMA==/NDEuNTU4MTUyNSA=/LTczLjA1MTQ5NjYg/QW1lcmljYS9OZXdfWW9yaw==/MTpBOjB8QToxOjF8MToxOjE=/json';
$.ajax({
type: 'GET',
url: url,
async: true,
contentType: 'application/json',
success: function(response) {
alert("success");
},
error: function(xhr) {
alert('Error! Status = ' + xhr.status + " Message = " + xhr.statusText);
}
});
})(jQuery);
</script>
</head>
<body>
<!-- we will add our HTML content here -->
</body>
</html>
解决方案
Any way I resolved the issue after a lot of googling. I added CORS filter and java utility jar filter and some configuration changes in the web.xml. These links are very helpful
Thanks you all for this great help.
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