httpclient请求https，取消证书认证，解决PKIX path building failed

private static SSLConnectionSocketFactory customSSLConnection() {
try {
SSLContext sslcontext = SSLContexts.custom()
.loadTrustMaterial(new TrustStrategy() {
@Override
public boolean isTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {
return true;
}
})
.build();
SSLConnectionSocketFactory sslConnectionSocketFactory = new SSLConnectionSocketFactory(sslcontext);
return sslConnectionSocketFactory;
} catch (Exception e) {
e.printStackTrace();
}
return null;
}

private static CloseableHttpClient client = HttpClients.custom().setSSLSocketFactory(customSSLConnection()).build();