读取Java中的错误响应正文

这是错误报告（关闭，无法修复，不是错误）。

他们的建议是这样编码：

HttpURLConnection httpConn = (HttpURLConnection)_urlConnection;InputStream _is;if (httpConn.getResponseCode() < HttpURLConnection.HTTP_BAD_REQUEST) {    _is = httpConn.getInputStream();} else {         _is = httpConn.getErrorStream();}