HTTP/1.1 500 Server Error

博主使用Java的CloseableHttpAsyncClient做post请求时,服务器返回500错误。经分析,该错误是由于contentType设置不对导致。当参数格式为a=b&c=d&e=f时,将contentType设置为application/x-www-form-urlencoded即可解决问题。

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我用CloseableHttpAsyncClient这个做post请求,但是服务器返回500错误, 这个错误是因为contentType设置不对导致的, 我参数的格式为a=b&c=d&e=f是这用格式的, 所以,contentType需要设置为: application/x-www-form-urlencoded 就好了;

部分代码:

String sign = "MERCHANTID="+merchant_id+"&ORDERNO="+order_no+"&ORD
String content = "merchantId="+merchant_id+"&barcode="+barcode+"&o
StringEntity postEntity = new StringEntity(content);
postEntity.setContentType("application/x-www-form-urlencoded");
httpPost.setEntity(postEntity);
//httpPost.setHeader("content-type","application/json");
Future<HttpResponse> future = httpclient.execute(httpPost, null);
HttpResponse response = future.get();
System.out.println("Response: " + response.getStatusLine());
System.out.println("Shutting down");
[system] WeChatLib: 3.7.10 (2025.3.6 16:19:18) [system] Subpackages: N/A [system] LazyCodeLoading: true Lazy code loading is enabled. Only injecting required components. [渲染层网络层错误] Failed to load local image resource /images/xingong.jpg the server responded with a status of 500 (HTTP/1.1 500 Internal Server Error) (env: Windows,mp,1.06.2412050; lib: 3.7.10) [渲染层网络层错误] Failed to load local image resource /images/%E5%9B%BE%E7%89%8727.jpg the server responded with a status of 500 (HTTP/1.1 500 Internal Server Error) (env: Windows,mp,1.06.2412050; lib: 3.7.10) [渲染层网络层错误] Failed to load local image resource /images/%E5%9B%BE%E7%89%8728.jpg the server responded with a status of 500 (HTTP/1.1 500 Internal Server Error) (env: Windows,mp,1.06.2412050; lib: 3.7.10) [Perf][pages/index/index] Page.onReady took 65ms [system] Launch Time: 1510 ms [渲染层网络层错误] Failed to load local image resource /images/%E5%9B%BE%E7%89%8729.jpg the server responded with a status of 500 (HTTP/1.1 500 Internal Server Error) (env: Windows,mp,1.06.2412050; lib: 3.7.10) [渲染层网络层错误] Failed to load local image resource /images/%E5%9B%BE%E7%89%8731.jpg the server responded with a status of 500 (HTTP/1.1 500 Internal Server Error) (env: Windows,mp,1.06.2412050; lib: 3.7.10) [渲染层网络层错误] Failed to load local image resource /images/%E5%9B%BE%E7%89%8733.jpg the server responded with a status of 500 (HTTP/1.1 500 Internal Server Error) (env: Windows,mp,1.06.2412050; lib: 3.7.10) [渲染层网络层错误] Failed to load local image resource /images/%E5%9B%BE%E7%89%8736.jpg the server responded with a status of 500 (HTTP/1.1 500 Internal Server Error) (env: Windows,mp,1.06.2412050; lib: 3.7.10) [渲染层网络层错误] Failed to load local image resource /images/%E5%9B%BE%E7%89%8747.jpg the server responded with a status of 500 (HTTP/1.1 500 Internal Server Error) (env: Windows,mp,1.06.2412050; lib: 3.7.10) index.js? [sm]:111 GET http://localhost:3000/1.mp3 net::ERR_CONNECTION_REFUSED(env: Windows,mp,1.06.2412050; lib: 3.
03-31
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