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My Citrus测试向某个REST API发送（旅行）请求。响应处理如下：有效负载中的意外字符
http()
.client("http://localhost:18082/cases")
.send()
.post()
.accept("application/json; charset=UTF-8")
.contentType("application/json")
//.payload(new ClassPathResource("templates/travelrequest.json"));
.payload(
"{ "+
"\"definition\": \"travelrequest.xml\", "+
"\"name\": \"travelrequest\" "+
"} "
);
虽然接收到响应代码500，但这是我所期望的。在Wireshark的我抓住以下包：
Host: localhost:18082
Connection: Keep-Alive
User-Agent: Apache-HttpClient/4.5.3 (Java/1.8.0_121)
Accept-Encoding: gzip,deflate
{ "definition": "travelrequest.xml", "name": "travelrequest" } HTTP/1.1 500 Internal Server Error
Server: spray-can/1.3.3
Date: Thu, 13 Apr 2017 15:33:37 GMT
当我移动的有效载荷为模板，在收到我的测试的一部分，现在看起来是这样的：
http()
.client("http://localhost:18082/cases")
.send()
.post()
.accept("application/json; charset=UTF-8")
.contentType("application/json")
.payload(new ClassPathResource("templates/travelrequest.json"));
//.payload(
// "{ "+
// "\"definition\": \"travelrequest.xml\", "+
// "\"name\": \"travelrequest\" "+
// "} "
//);
模板资源包含这样的文字：
{
"definition": "travelrequest.xml",
"name": "travelrequest"
}
当运行该测试中，我接收不同的响应代码：400。在我的Wireshark捕获以下包：
Host: localhost:18082
Connection: Keep-Alive
User-Agent: Apache-HttpClient/4.5.3 (Java/1.8.0_121)
Accept-Encoding: gzip,deflate
?{
"definition": "travelrequest.xml",
"name": "travelrequest"
}HTTP/1.1 400 Bad Request
Server: spray-can/1.3.3
Date: Thu, 13 Apr 2017 15:36:15 GMT
请注意，请求是以一个意外的问号开始的。此问号在Citrus输出中不可见：
17:36:13,629 DEBUG client.HttpClient| Sending HTTP message to: 'http://localhost:18082/cases'
17:36:13,629 DEBUG client.HttpClient| Message to send:
{
"definition": "travelrequest.xml",
"name": "travelrequest"
}
17:36:13,630 DEBUG ingClientInterceptor| Sending Http request message
请注意前面的空格直接放在左括号之前。
这是一些特殊字符吗？它为什么被添加到有效载荷中？有没有合理的解释？
干杯， 埃德