今天切换环境进行调试，某一个接口突然出现报错：

javax.net.ssl.SSLException: Unable to parse TLS packet header

at com.android.org.conscrypt.ConscryptEngine.unwrap(ConscryptEngine.java:807)

at com.android.org.conscrypt.ConscryptEngine.unwrap(ConscryptEngine.java:747)

at com.android.org.conscrypt.ConscryptEngine.unwrap(ConscryptEngine.java:712)

at com.android.org.conscrypt.ConscryptEngineSocket$SSLInputStream.processDataFromSocket(ConscryptEngineSocket.java:858)

看到SSLException，心里第一个想法：简单，肯定是HTTPS协议没有增加SSL校验。

private SSLSocketFactory createSSLSocketFactory() {SSLSocketFactory ssfFactory = null;try {SSLContext sc = SSLContext.getInstance("TLS");sc.init(null, new TrustManager[]{mMyTrustManager}, new SecureRandom());ssfFactory = sc.getSocketFactory();} catch (Exception ignored) {ignored.printStackTrace();}return ssfFactory;}

 //实现X509TrustManager接口public class MyTrustManager implements X509TrustManager {@Overridepublic void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {}@Overridepublic void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {}@Overridepublic X509Certificate[] getAcceptedIssuers() {return new X509Certificate[0];}}

创建

new OkHttpClient.Builder().connectTimeout(50000, TimeUnit.MILLISECONDS).readTimeout(50000, TimeUnit.MILLISECONDS).writeTimeout(50000, TimeUnit.MILLISECONDS).sslSocketFactory(createSSLSocketFactory(), new MyTrustManager()).addInterceptor(new SameRequestFilterInterceptor()).retryOnConnectionFailure(true).build();

运行，还是报错Unable to parse TLS packet header。

见鬼了，切换到正式环境就没有问题，难道是后台的锅？【别管是不是，先把锅抛出去！】

灵光一闪，SSL是HTTPS引起的，询问后台新环境是HTTP还是HTTPS。得到结果是http。

果然是这样，将https，修改为http，运行——成功！

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