ちょっとしたことがGroovy「エラーの出るSSL証明書を無視してHTTPSアクセスをテストする」 ref: http://qiita.com/aya_eiya/items/58ff3723a0f00574d421

ignoreSSLErr.groovy

@Grab(group='org.codehaus.groovy.modules.http-builder', module='http-builder', version='0.6')

import groovyx.net.http.*
import static groovyx.net.http.ContentType.*
import static groovyx.net.http.Method.*

import javax.net.ssl.X509TrustManager
import javax.net.ssl.SSLContext
import java.security.cert.X509Certificate
import javax.net.ssl.TrustManager
import java.security.SecureRandom
import org.apache.http.conn.ssl.SSLSocketFactory
import org.apache.http.conn.scheme.Scheme
import org.apache.http.conn.scheme.SchemeRegistry

def printlnErr = System.err.&println
def http = new HTTPBuilder( 'https://mySSLsite.hoge' )

/* 俺俺証明書だとかのSSL証明書のエラーを無視する */
def sslContext = SSLContext.getInstance("SSL")
sslContext.init(null, [
new X509TrustManager(){
  public X509Certificate[] getAcceptedIssuers() {null}
  public void checkClientTrusted(X509Certificate[] certs, String authType) { }
  public void checkServerTrusted(X509Certificate[] certs, String authType) { }
}] as TrustManager[], new SecureRandom())
def sf = new SSLSocketFactory(sslContext, SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER)
def httpsScheme = new Scheme("https", sf, 443)
http.client.connectionManager.schemeRegistry.register( httpsScheme )

/* リクエスト */
http.request( GET, JSON ) {
  uri.path = "/admin"
  response.success = {
    println "done 200. ${uri.path}"
  }
  response.failure = {res ->
    printlnErr "error ${res.statusLine.statusCode}. ${uri.path}"
  }
}