调用setRequestProperty抛出java.lang.IllegalStateException：不能设置请求属性连接后 [英] setRequestProperty throwing java.lang.IllegalStateException: Cannot set request property after connection is made

问题描述

我收到 java.lang.IllegalStateException ：

java.lang.IllegalStateException ：不能设置请求属性建立连接错误之后，当调用setRequestProperty 方法被称为后
url.openConnection（）;

java.lang.IllegalStateException: Cannot set request property after connection is made error when setRequestProperty method is called after url.openConnection();

下面就是我想：

URL url = new URL("https://49.205.102.182:7070/obsplatform/api/v1/mediadevices/545b801ce37e69cc");
         urlConnection = (HttpsURLConnection) url
        .openConnection();
urlConnection.setRequestProperty("Content-Type","application/json");

有什么建议吗？先谢谢了。

any suggestions please? Thanks in advance.

推荐答案

我只是有这个问题，
没有调试（可以打印日志）应当一切正常运行。

I only have this issue while in debugging mode, Run without debugging (You can print logs) everything should work fine

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