Styjun

I am trying to create one http client using useSystemProperties() as i need to default the ssl properties to that of WAS [like to get the WAS ciphers in runtime ]. And I have to set some max connections and connection manager also to the httpclient. This is a very high traffic rest call.

I have tried 3 ways,

httpclient = HttpClients.custom().useSystemProperties().setConnectionManager("soem value").setMaxConnPerRoute("some value").setMaxConnTotal("some value").setUserAgent("Custom Browser")
 .disableCookieManagement().build(); -- This did not set the WAS ssl properties and thus the connection got failed.


 httpclient1 = HttpClientBuilder.create().useSystemProperties().setConnectionManager(connManager).setMaxConnPerRoute(maxConnPerRoute).setMaxConnTotal(maxConnTotal).setUserAgent("Custom Browser")
 .disableCookieManagement().build();-- This did not set the WAS ssl properties and thus the connection failed.


 httpclient2 = HttpClientBuilder.create().useSystemProperties().build();-- This one defaulted to WAS ssl configurations and connection was fine but other params are missing here.

Can I really achieve both these options?

You would need to override the SSLConnectionSocketFactory for your ConnectionManager, for example, on the example below will be created default SSLConnectionSocketFactory if you would use useSystemProperties

 DefaultHostnameVerifier hostnameVerifier = new DefaultHostnameVerifier(PublicSuffixMatcherLoader.getDefault());
 SSLConnectionSocketFactory sslConnectionSocketFactory = new SSLConnectionSocketFactory(
 (SSLSocketFactory) SSLSocketFactory.getDefault(), null, null, hostnameVerifier
 );

 final PoolingHttpClientConnectionManager connManager = new PoolingHttpClientConnectionManager(
 RegistryBuilder.<ConnectionSocketFactory>create()
 .register("http", PlainConnectionSocketFactory.getSocketFactory())
 .register("https", sslConnectionSocketFactory)
 .build()
 );

 connManager.setDefaultMaxPerRoute(20);
 connManager.setMaxTotal(20);


 final HttpClientBuilder builder = HttpClientBuilder
 .create()
 .setConnectionManager(connManager);