Getting ssl error while trying to create httpclient

Hi Sunxi,

we are just creating HttpClient, can you please let me know why do we need SSL. The RestCLientBuilder's createHttpClient method calls SSLContext.getDefault, just wanted to check why we need SSL here. This is where my code is erroring out.
at javax.net.ssl.SSLContext.getDefault(SSLContext.java:96)

at org.elasticsearch.client.RestClientBuilder.createHttpClient(RestClientBuilder.java:212)