Java 假装-处理下划线异常-传播错误状态
这是一个类似的问题 我有带feign和hystrix的微服务架构。 我的问题是,当下属服务返回错误响应时(比如statusJava 假装-处理下划线异常-传播错误状态,java,hystrix,feign,Java,Hystrix,Feign,这是一个类似的问题 我有带feign和hystrix的微服务架构。 我的问题是,当下属服务返回错误响应时(比如status404),我的FallbackFactory应该传播它,但它总是返回200 这是我的密码: 错误响应编码器: @Component public class ErrorResponseDecoder implements ErrorDecoder { private ErrorDecoder delegate = new ErrorDecoder.Default(); @
404
),我的FallbackFactory应该传播它,但它总是返回200
这是我的密码:
错误响应编码器:
@Component
public class ErrorResponseDecoder implements ErrorDecoder {
private ErrorDecoder delegate = new ErrorDecoder.Default();
@Override
public Exception decode(String methodKey, Response response) {
HttpHeaders responseHeaders = new HttpHeaders();
for(Map.Entry<String,Collection<String>> entry : response.headers().entrySet()) {
responseHeaders.put(entry.getKey(), new ArrayList<>(entry.getValue()));
}
HttpStatus statusCode = HttpStatus.valueOf(response.status());
String statusText = response.reason();
byte[] responseBody;
try {
responseBody = IOUtils.toByteArray(response.body().asInputStream());
} catch (IOException e) {
throw new RuntimeException("Failed to process response body.", e);
}
if (response.status() >= 400 && response.status() <= 499) {
return new HttpClientErrorException(statusCode, statusText, responseHeaders, responseBody, null);
}
if (response.status() >= 500 && response.status() <= 599) {
return new HttpServerErrorException(statusCode, statusText, responseHeaders, responseBody, null);
}
return delegate.decode(methodKey, response);
}
}
Http状态:200:(
我如何使它也成为404?首先,我不需要回退机制 很可能
ResponseEntity
会起作用,但我没有用这个解决方案尝试
有关详细设计,请参见:首先,我不需要回退机制 很可能
ResponseEntity
会起作用,但我没有用这个解决方案尝试
详细设计见:
@Component
public class ServiceFallbackFactory implements FallbackFactory<ServiceFeign> {
@Override
public ServiceFeign create(final Throwable cause) {
return new ServiceFeign() {
@Override
public Response getList(String date) {
if(cause instanceof HttpStatusCodeException) {
HttpStatusCodeException exc = (HttpStatusCodeException)cause;
return Response.status(exc.getStatusCode().value()).entity(exc.getMessage()).build();
} else {
throw new RuntimeException(cause);
}
}
}
}
{
"statusType": "NOT_FOUND",
"entity": "404 Not Found",
"entityType": "java.lang.String",
"metadata": {},
"status": 404
}