我正在處理一個項目，該項目需要利用允許所有證書進行一次調用，每當我嘗試設置 sslSocketFactory 時，我都會收到一個錯誤，指示 ExceptionInInitializerError。我搜索了 SO 并發現了這個問題，但它并沒有為我解決問題；這個 Git 問題也一樣。我的示例代碼如下： X509TrustManager trustManager = new X509TrustManager() { public void checkClientTrusted(X509Certificate[] xcs, String string) throws CertificateException {} public void checkServerTrusted(X509Certificate[] xcs, String string) throws CertificateException {} public X509Certificate[] getAcceptedIssuers() { return null; } }; SSLContext sslContext; SSLSocketFactory sslSocketFactory = null; try { sslContext = SSLContext.getInstance("TLS"); sslContext.init(null, new TrustManager[]{trustManager}, null); sslSocketFactory = sslContext.getSocketFactory(); } catch (Exception e){ e.printStackTrace(); } OkHttpClient client = new OkHttpClient.Builder().sslSocketFactory(sslSocketFactory, trustManager).addInterceptor(interceptor).build();當發送的參數全部有效且不為空時，為什么我會收到錯誤消息？
1 回答
慕萊塢森
TA貢獻1810條經驗 獲得超4個贊
事實證明，問題是由在 okhttp3 構建器方法中調用 NullPointerException 引起的。確切的代碼在這里：
Caused by: java.lang.NullPointerException: Attempt to get length of null array
at okhttp3.internal.tls.BasicTrustRootIndex.<init>(BasicTrustRootIndex.java:32)
at okhttp3.internal.platform.Platform.buildTrustRootIndex(Platform.java:288)
at okhttp3.internal.platform.AndroidPlatform.buildTrustRootIndex(AndroidPlatform.java:280)
at okhttp3.internal.platform.Platform.buildCertificateChainCleaner(Platform.java:172)
at okhttp3.internal.platform.AndroidPlatform.buildCertificateChainCleaner(AndroidPlatform.java:230)
at okhttp3.internal.tls.CertificateChainCleaner.get(CertificateChainCleaner.java:41)
at okhttp3.OkHttpClient$Builder.sslSocketFactory(OkHttpClient.java:694)
這個問題的原因是我在 Stackoverflow（此處為IE）上遵循了大量示例，這些示例告訴您使用該行構建 x509 TrustManager return null;。
解決方法是簡單地更改一行：
X509TrustManager trustManager = new X509TrustManager() {
public void checkClientTrusted(X509Certificate[] xcs, String string)
throws CertificateException {}
public void checkServerTrusted(X509Certificate[] xcs, String string)
throws CertificateException {}
public X509Certificate[] getAcceptedIssuers() {
//Here
return new X509Certificate[]{};
}
};
.
.
.
這解決了這個問題。
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