我想通过错误响应处理200
final ResponseEntity<ResponseType> responseEntity = restTemplate.postForEntity(url, requestEntity, ResponseType.class);
在这里我直接在rest模板中使用响应模型对象,下面是我的catch块
catch (final RestClientException | HttpMessageConversionException ex) {
throw new CustomException(message, ex);
}
在这里我添加了HttpMessageConversionException
,因为我得到200的错误响应,并且在将其转换为rest模板中的成功响应类型类时抛出该错误,因为在我的成功响应类构造函数中具有字段验证。
下面是我在rest模板中使用的响应类
@JsonDeserialize(builder = ResponseType.Builder.class)
@JacksonXmlRootElement(localName = "Test")
public class ResponseType {
private final String details;
private ResponseType(final Builder builder) {
this.details = OptionalCheck.checkPresent(builder.details, "details");
}
public static Builder builder() {
return new Builder();
}
//getter
public static final class Builder {
private Optional<String> details = Optional.empty();
@JacksonXmlProperty(localName = "details")
public Builder withDetails(final String theDetails) {
this.details = Optional.ofNullable(theDetails);
return this;
}
public ResponseType build() {
return new ResponseType(this);
}
}
}
下面是堆栈跟踪
org.springframework.http.converter.HttpMessageConversionException: Type definition error: [simple type, class com.test.ResponseType$Builder]; nested exception is com.fasterxml.jackson.databind.exc.InvalidDefinitionException: Cannot construct instance of `com.test.ResponseType$Builder`, problem: details must be present.
at [Source: (ByteArrayInputStream); line: 5, column: 1]
at org.springframework.http.converter.json.AbstractJackson2HttpMessageConverter.readJavaType(AbstractJackson2HttpMessageConverter.java:242)
at org.springframework.http.converter.json.AbstractJackson2HttpMessageConverter.read(AbstractJackson2HttpMessageConverter.java:227)
at org.springframework.web.client.HttpMessageConverterExtractor.extractData(HttpMessageConverterExtractor.java:102)
at org.springframework.web.client.RestTemplate$ResponseEntityResponseExtractor.extractData(RestTemplate.java:994)
at org.springframework.web.client.RestTemplate$ResponseEntityResponseExtractor.extractData(RestTemplate.java:977)
at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:737)
at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:670)
at org.springframework.web.client.RestTemplate.postForEntity(RestTemplate.java:445)
Caused by: java.lang.IllegalArgumentException: details must be present.
at com.test.OptionalCheck.lambda$checkPresent$0(OptionalCheck.java:46)
at java.base/java.util.Optional.orElseThrow(Optional.java:408)
还有其他处理方法吗?