我正在尝试做类似以下的事情。我希望能够在 myController 中设置 infoVar 并在 MyResponseEntityExceptionHandler 中获取它。我尝试设置正确的范围(我认为是请求),但我不断收到类似以下内容的错误:
Caused by: java.lang.IllegalStateException: No thread-bound request found: Are you referring to request attributes outside of an actual web request, or processing a request outside of the originally receiving thread? If you are actually operating within a web request and still receive this message, your code is probably running outside of DispatcherServlet: In this case, use RequestContextListener or RequestContextFilter to expose the current request.
Controller
@RestController()
public class myController() {
@Autowired private InfoVar infoVar;
@PostMapping(path = "/stuff")
public @ResponseBody sutff getStuff(@RequestBody String string) throws Exception {
infoVar.setVar("Test123");
return stuff;
}
}
错误处理
@ControllerAdvice
@RestController
public class MyResponseEntityExceptionHandler extends ResponseEntityExceptionHandler {
@Autowired private InfoVar infoVar
@ExceptionHandler(Exception.class)
public final ResponseEntity<Object> handleStuff(Exception ex, WebRequest request) {
infoVar.getVar();
return stuff;
}
}
信息变量
@Component
@Scope("request")
public class InfoVar{
private String infoVar;
getter and setter for infovar
}
最佳答案
我确实想出了一个解决方案,但我不喜欢它。我觉得应该有一种方法可以用 beans 来做到这一点,而不是添加到 WebRequest 中。
Controller
@RestController()
public class MyController() {
@PostMapping(path = "/stuff")
public @ResponseBody sutff getStuff(@RequestBody String string) throws Exception {
InfoVar infoVar = new InfoVar();
infoVar.setVar("Test123");
webRequest.setAttribute("infoVar", infoVar, WebRequest.SCOPE_REQUEST);
return stuff;
}
}
错误处理
@ControllerAdvice
public class MyResponseEntityExceptionHandler extends ResponseEntityExceptionHandler {
@ExceptionHandler(Exception.class)
public ResponseEntity<Object> handleStuff(Exception ex, WebRequest request) {
InfoVar infoVar = (InfoVar) request.getAttribute("infoVar", WebRequest.SCOPE_REQUEST);
infoVar.getVar();
return stuff;
}
}
信息变量
public class InfoVar{
private String var;
getter and setter for var
}
关于java - Spring Boot 范围,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/59740937/