使用Java的HttpUrlConnection PATCH请求 [英] HttpUrlConnection PATCH request using Java

问题描述

我正在尝试执行http PATCH请求，但我总是收到404错误，因此我的连接设置可能不正确：

I am trying to do a http PATCH request but I always get the 404 error, so maybe the settings of my connection are not correct:

        URL url = new URL("MyPath");
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setDoOutput(true);
        conn.setRequestProperty("X-HTTP-Method-Override", "PATCH");
        conn.setRequestProperty("Content-Type", "application/json");
        conn.setRequestProperty("Accept", "application/json");
        conn.setRequestMethod("POST");

        JsonObject jo = createMyJson();
        OutputStreamWriter out = new OutputStreamWriter(conn.getOutputStream());
        out.write(jo.toString());
        out.close();

        System.out.println(conn.getResponseCode());
        System.out.println(conn.getResponseMessage());

我收到404错误，未找到。当使用Postman执行相同的请求时，这是有效的..
感谢您的帮助。

I get the 404 error, Not found. When doing the same request using Postman, this is working.. Thank you for your help.

推荐答案

并非所有服务器支持 X-HTTP-Method-Override 。在这种情况下，你的最后一招（如果你没有使用一个像样的HTTP客户端）来破解 URLConnection 对象。

Not all servers support X-HTTP-Method-Override. In that case your last resort is (if you are not using a decent HTTP client) to hack the URLConnection object.

我发布了一个完整的解决方案在此处，请查看。

I posted a complete solution here on SO, check it out.

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