{"id":1405,"date":"2023-03-19T11:30:23","date_gmt":"2023-03-19T03:30:23","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=1405"},"modified":"2023-04-28T21:08:45","modified_gmt":"2023-04-28T13:08:45","slug":"spring-boot-resttemplate-custom-return-code-exception-handling","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/03\/19\/spring-boot-resttemplate-custom-return-code-exception-handling\/","title":{"rendered":"Spring Boot RestTemplate \u81ea\u5b9a\u4e49\u8fd4\u56de\u7801\u5f02\u5e38\u5904\u7406"},"content":{"rendered":"<h2>HTTP\u8fd4\u56de\u573a\u666f<\/h2>\n<p>\u8fd4\u56de\u72b6\u6001\uff1a417 Expectation Failed<br \/>\n\u8fd4\u56de\u5185\u5bb9\uff1a<\/p>\n<p><!-- more --><\/p>\n<pre><code class=\"language-json\">{\n    &quot;object&quot;: &quot;error&quot;,\n    &quot;code&quot;: &quot;charge_id_not_exist&quot;,\n    &quot;message&quot;: &quot;Charge ID does not exist or invalid&quot;\n}<\/code><\/pre>\n<p>\u9ed8\u8ba4\u7684<code>DefaultResponseErrorHandler<\/code>\u4f1a\u62a5<code>HttpClientErrorException<\/code>\u9519\u8bef\uff0c\u800c\u4e14\u53d6\u4e0d\u5230\u8fd4\u56debody\u5185\u5bb9<\/p>\n<pre><code>org.springframework.web.client.HttpClientErrorException: 417 null\n    at org.springframework.web.client.HttpClientErrorException.create(HttpClientErrorException.java:101)\n    at org.springframework.web.client.DefaultResponseErrorHandler.handleError(DefaultResponseErrorHandler.java:122)\n    at org.springframework.web.client.DefaultResponseErrorHandler.handleError(DefaultResponseErrorHandler.java:102)\n    at org.springframework.web.client.ResponseErrorHandler.handleError(ResponseErrorHandler.java:63)\n    at org.springframework.web.client.RestTemplate.handleResponse(RestTemplate.java:778)\n    at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:736)\n    at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:670)\n    at org.springframework.web.client.RestTemplate.exchange(RestTemplate.java:579)<\/code><\/pre>\n<h2>\u81ea\u5b9a\u4e49\u8fd4\u56de\u7801\u5f02\u5e38\u5904\u7406<\/h2>\n<pre><code class=\"language-java\">@Configuration\npublic class CommonConfig {\n\n    @Bean\n    \/\/@LoadBalanced   \/\/\u589e\u52a0 load balance \u7279\u6027\n    public RestTemplate restTemplate() {\n        ClientHttpRequestFactory factory = simpleClientHttpRequestFactory();\n        RestTemplate restTemplate = new RestTemplate(factory);\n        restTemplate.setErrorHandler(new AppBlogResponseErrorHandler());\n        return restTemplate;\n    }\n\n    public ClientHttpRequestFactory simpleClientHttpRequestFactory() {\n        SimpleClientHttpRequestFactory factory = new SimpleClientHttpRequestFactory();\n        factory.setReadTimeout(15000);  \/\/\u5355\u4f4d\u4e3ams\n        factory.setConnectTimeout(15000);  \/\/\u5355\u4f4d\u4e3ams\n        return factory;\n    }\n}<\/code><\/pre>\n<pre><code class=\"language-java\">public class AppBlogResponseErrorHandler extends DefaultResponseErrorHandler {\n\n    @Override\n    public boolean hasError(ClientHttpResponse response) throws IOException {\n        \/\/ check if response code is an error in here or just use default implementation\n        int rawStatusCode = response.getRawStatusCode();\n        HttpStatus statusCode = HttpStatus.resolve(rawStatusCode);\n        return statusCode != null ? this.hasError(statusCode) : this.hasError(rawStatusCode);\n    }\n\n    @Override\n    public void handleError(ClientHttpResponse response) throws IOException {\n        \/\/ handle different response codes\n        \/\/ (default spring behaviour is throwing an exception)\n        HttpStatus statusCode = HttpStatus.resolve(response.getRawStatusCode());\n        if (statusCode == null) {\n            throw new UnknownHttpStatusCodeException(response.getRawStatusCode(), response.getStatusText(), response.getHeaders(), this.getResponseBody(response), this.getCharset(response));\n        } else {\n            this.handleError(response, statusCode);\n        }\n    }\n\n    protected boolean hasError(HttpStatus statusCode) {\n        return statusCode.is5xxServerError();\n    }\n}<\/code><\/pre>\n<p>\u53c2\u8003\uff1a<a target=\"_blank\" rel=\"noopener\" href=\"https:\/\/stackoverflow.com\/questions\/50424852\/spring-resttemplate-exchange-post-httpclientexception-with-any-non-200-ok-respon\">https:\/\/stackoverflow.com\/questions\/50424852\/spring-resttemplate-exchange-post-httpclientexception-with-any-non-200-ok-respon<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>HTTP\u8fd4\u56de\u573a\u666f \u8fd4\u56de\u72b6\u6001\uff1a417 Expectation Failed \u8fd4\u56de\u5185\u5bb9\uff1a { &quot;obje [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41],"tags":[253],"class_list":["post-1405","post","type-post","status-publish","format-standard","hentry","category-spring-boot","tag-resttemplate"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/1405","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1405"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/1405\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1405"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1405"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1405"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}