okhttp - HTTP FAILED: javax.net.ssl.SSLPeerUnverifiedException: 未能找到签署证书的可信证书：答案

【问题标题】：okhttp - HTTP FAILED: javax.net.ssl.SSLPeerUnverifiedException: Failed to find a trusted cert that signed Certificate:okhttp - HTTP FAILED: javax.net.ssl.SSLPeerUnverifiedException: 未能找到签署证书的可信证书：
【发布时间】：2021-01-27 22:42:06
【问题描述】：

您好，我在调用特定的Rest 端点时遇到此异常，但我被困在javax.net.ssl.SSLPeerUnverifiedException，我仅在 api 级别 21 (Android 5.0) 中遇到此异常。

我们还在我们的应用中为 http 客户端添加了一个自定义信任管理器

fun OkHttpClient.Builder.ignoreAllSSLErrors(): OkHttpClient.Builder {
    val naiveTrustManager = object : X509TrustManager {
        override fun getAcceptedIssuers(): Array<X509Certificate> = arrayOf()
        override fun checkClientTrusted(certs: Array<X509Certificate>, authType: String) = Unit
        override fun checkServerTrusted(certs: Array<X509Certificate>, authType: String) = Unit
    }

    val insecureSocketFactory = SSLContext.getInstance("TLSv1.2").apply {
        val trustAllCerts = arrayOf<TrustManager>(naiveTrustManager)
        init(null, trustAllCerts, SecureRandom())
    }.socketFactory

    sslSocketFactory(insecureSocketFactory, naiveTrustManager)
    hostnameVerifier(HostnameVerifier { _, _ -> true })
    return this
}

这是异常的stackTrace：

D/OkHttp: <-- HTTP FAILED: javax.net.ssl.SSLPeerUnverifiedException: Failed to find a trusted cert that signed Certificate:
        Data:
            Version: 3 (0x2)
            Serial Number:
                13:ea:28:70:5b:f4:ec:ed:0c:36:63:09:80:61:43:36
        Signature Algorithm: sha384WithRSAEncryption
            Issuer: C=SE, O=AddTrust AB, OU=AddTrust External TTP Network, CN=AddTrust External CA Root
            Validity
                Not Before: May 30 10:48:38 2000 GMT
                Not After : May 30 10:48:38 2020 GMT
            Subject: C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority

如果需要，我可以添加更多详细信息，谢谢

【问题讨论】：

标签： android rest ssl okhttp

【解决方案1】：

这是因为旧设备上的 CA 证书已过期。见How to trust SSL certificates with cross-signed root expired on android <= 5

但不清楚为什么您的不安全设置不起作用。你还没有提供可用的复制品，所以除了猜测之外很难做更多的事情。

【讨论】：