我正在运行 Spring 3.1.2 应用程序。我有一个带有多种方法的 RESTful servlet。 GET 方法运行得非常好(@PathVariables
匹配,响应根据 Accept 标头正确编组为 JSON 或 XML,等等)100% 成功。
但是 POST 方法根本不起作用。经过几个小时与皈依者和我能找到的所有其他 Spring 方面的相处(所有修补都恢复了),我将其范围缩小到required
领域在@RequestParam
。这是我一直用来研究的简化测试方法:
@RequestMapping (value = "/bogus",
method = POST)
public @ResponseBody PassResponse bogus (
@RequestParam (value = "test", required = false) String test) {
// Just some handy garbage objects that marshal to JSON/XML
UserResponse user = new UserResponse ();
user.setName (test);
AccountDetail detail = new AccountDetail (user,null);
return new PassResponse (detail);
}
必需=假:一切正常(参数已接收并解释)。正如我所期望的那样
必需=真:(或未指定,因为这是默认设置)我始终收到消息“MissingServletRequestParameterException:所需的字符串参数“test”不存在"
客户端视图:
必需=真
Request URL:http://localhost:8080/internal-project/rest/bogus
Request Method:POST
Status Code:400 Bad Request
Request Headersview source
Accept:application/json
Connection:keep-alive
Content-Length:12
Host:localhost:8080
Request Payload
test=LALALAA
Response Headersview source
Connection:close
Content-Length:971
Content-Type:text/html;charset=utf-8
Date:Wed, 24 Oct 2012 18:41:05 GMT
Server:Apache-Coyote/1.1
必需=假
Request URL:http://localhost:8080/internal-project/rest/bogus
Request Method:POST
Status Code:200 OK
Request Headersview source
Accept:application/json
Connection:keep-alive
Content-Length:12
Host:localhost:8080
Request Payload
test=LALALAA
Response Headersview source
Content-Type:application/json;charset=UTF-8
Date:Wed, 24 Oct 2012 18:44:03 GMT
Server:Apache-Coyote/1.1
Transfer-Encoding:chunked
它与切换时运行的测试套件完全相同required
我可以看到参数正在传递。当参数是可选的时,Spring 会正确处理它。
如果有人以前遇到过这个问题或者有任何想法,我很想听听他们的意见。将所需参数标记为可选,即使它有效,也是糟糕的自我文档,即使我对其进行了评论。而且这种行为让我有点紧张。希望我只是在某个地方搞砸了一些事情......