解决包含错误SSL的联合元数据问题的方法取决于你使用的编程语言和框架。下面是一些常见的方法：

1. Python（使用requests库）：

import requests

# 禁用SSL验证
requests.packages.urllib3.disable_warnings()

# 发送请求
response = requests.get('https://example.com', verify=False)

2. Java（使用HttpURLConnection）：

import javax.net.ssl.HttpsURLConnection;
import java.net.URL;
import java.security.cert.X509Certificate;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;

// 创建一个信任所有证书的TrustManager
TrustManager[] trustAllCerts = new TrustManager[] {
    new X509TrustManager() {
        public java.security.cert.X509Certificate[] getAcceptedIssuers() {
            return null;
        }
        public void checkClientTrusted(X509Certificate[] certs, String authType) {}
        public void checkServerTrusted(X509Certificate[] certs, String authType) {}
    }
};

// 设置信任所有证书的TrustManager
HttpsURLConnection.setDefaultHostnameVerifier((hostname, session) -> true);
HttpsURLConnection.setDefaultSSLSocketFactory(SSLContext.getInstance("TLS").getSocketFactory());
HttpsURLConnection.setDefaultSSLSocketFactory(SSLContext.getInstance("TLS").getSocketFactory());

// 发送请求
URL url = new URL("https://example.com");
HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();
connection.setConnectTimeout(5000);
connection.setReadTimeout(5000);
connection.setRequestMethod("GET");
connection.setDoOutput(true);
connection.connect();

// 读取响应
int responseCode = connection.getResponseCode();

3. Node.js（使用axios库）：

const axios = require('axios');

// 禁用SSL验证
process.env["NODE_TLS_REJECT_UNAUTHORIZED"] = 0;

// 发送请求
axios.get('https://example.com', { httpsAgent: new https.Agent({ rejectUnauthorized: false }) })
    .then(response => {
        console.log(response.data);
    })
    .catch(error => {
        console.error(error);
    });

这些示例代码演示了如何禁用SSL验证，以便通过具有错误SSL的联合元数据的请求。请注意，禁用SSL验证带来的风险是不安全的，因为它允许未经验证的证书连接。在生产环境中，建议修复SSL证书错误，而不是禁用SSL验证。