今天研究釘釘的開放平臺，結果一個demo整了半天，這幫助系統寫的也很難懂。遇到兩個問題：

1、首先是執行demo時報unable to find valid certification path to requested target，錯誤信息如下：

request url=https://oapi.dingtalk.com/gettoken?corpid=...略...&corpsecret=...略..., exception, msg=sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target

只不過經研究，按網上的方式將證書導致到信任庫中也沒用，于是就找了段代碼直接跳過

2、但是報下面這個錯：

request url=https://oapi.dingtalk.com/get_jsapi_ticket?type=jsapi&access_token=2458f4d239173a12809cc94d1915d3b7,

exception, msg=hostname in certificate didn't match: != OR

具體沒空研究，找到下面代碼解決：

private staticCloseableHttpClient getHttpClient() {

RegistryBuilder registryBuilder = RegistryBuilder.create();

ConnectionSocketFactory plainSF= newPlainConnectionSocketFactory();

registryBuilder.register("http", plainSF);//指定信任密鑰存儲對象和連接套接字工廠

try{

KeyStore trustStore=KeyStore.getInstance(KeyStore.getDefaultType());//信任任何鏈接

TrustStrategy anyTrustStrategy = newTrustStrategy() {

@Overridepublic boolean isTrusted(X509Certificate[] x509Certificates, String s) throwsCertificateException {return true;

}

};

SSLContext sslContext=SSLContexts.custom().useTLS().loadTrustMaterial(trustStore, anyTrustStrategy).build();

LayeredConnectionSocketFactory sslSF= newSSLConnectionSocketFactory(sslContext, SSLConnectionSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);

registryBuilder.register("https", sslSF);

}catch(KeyStoreException e) {throw newRuntimeException(e);

}catch(KeyManagementException e) {throw newRuntimeException(e);

}catch(NoSuchAlgorithmException e) {throw newRuntimeException(e);

}

Registry registry =registryBuilder.build();//設置連接管理器

PoolingHttpClientConnectionManager connManager = newPoolingHttpClientConnectionManager(registry);//connManager.setDefaultConnectionConfig(connConfig);//connManager.setDefaultSocketConfig(socketConfig);//構建客戶端

returnHttpClientBuilder.create().setConnectionManager(connManager).build();

}

參考：http://blog.csdn.net/shenyunsese/article/details/41075579

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