Apache HttpClient 4.3-忽略证书问题
在浏览器访问某些网站时提示证书有问题，则用Apache HttpClient 4.3访问时会出现SSL错误，无法访问网站。解决方法如下，允许信任自签证书，即信任所有证书。
SSLContextBuilder builder = new SSLContextBuilder();
builder.loadTrustMaterial(null, new TrustSelfSignedStrategy());
SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(
builder.build());
CloseableHttpClient httpclient = HttpClients.custom().setSSLSocketFactory(
sslsf).build();
HttpGet httpGet = new HttpGet("https://some-server");
CloseableHttpResponse response = httpclient.execute(httpGet);
try {
System.out.println(response.getStatusLine());
HttpEntity entity = response.getEntity();
EntityUtils.consume(entity);
}
finally {
response.close();
}
方法转自：http://stackoverflow.com/questions/19517538/ignoring-ssl-certificate-in-apache-httpclient-4-3?lq=1
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