HTTP 400错误请求 - 仅在JBoss服务器上

Question

我有一个Rest服务类，它打算通过REST Web服务使用PUT方法更新库存。 当我通过Junit或主类（Public static void main）调用服务类时，库存得到更新，我没有遇到任何问题。

但同样的服务类在部署到JBOSS-eap服务器并通过远程方法调用时抛出异常，我在日志中看到以下错误，

HTTP 400 - Bad Error
sun.net.www.protocol.https.DelegateHttpsURLConnection:https://www.webstore.com

请参阅下面的代码，

       URL apiUrl = new URL("https://...");

        String authToBytes = username + ":" + password;
        byte authBytes[] = Base64.encodeBase64(authToBytes.getBytes());
        String authBytesString = new String(authBytes);
        conn = (HttpURLConnection) apiUrl.openConnection();
        conn.setRequestMethod("PUT");

        conn.setRequestProperty("Accept", "application/XML");
        conn.setDoOutput(true);

        conn.setRequestProperty("Authorization", "Basic " + authBytesString);


            OutputStream output = new BufferedOutputStream(conn.getOutputStream());
            output.write(body.getBytes()); //String body ="XML Data.."
            output.flush();

        if (conn.getResponseCode() != 200) { // Got exception on JBoss only
            throw new CustomException(conn.getResponseCode() + "", conn.getResponseMessage());
        }
        InputStream is = conn.getInputStream();