java.lang.IllegalStateException: java.lang.ClassNotFoundException: sun.security.util.HostnameChecker not found by org.kill-bill.billing.plugin.java.adyen-plugin [20]
at com.ning.http.util.ProxyHostnameChecker.getHostnameChecker(ProxyHostnameChecker.java:41)
at com.ning.http.util.ProxyHostnameChecker.<init>(ProxyHostnameChecker.java:28)
at com.ning.http.util.DefaultHostnameVerifier.<init>(DefaultHostnameVerifier.java:47)
at com.ning.http.client.AsyncHttpClientConfig.getHostnameVerifier(AsyncHttpClientConfig.java:392)
at com.ning.http.client.providers.jdk.JDKAsyncHttpProvider.createUrlConnection(JDKAsyncHttpProvider.java:192)
at com.ning.http.client.providers.jdk.JDKAsyncHttpProvider.execute(JDKAsyncHttpProvider.java:147)
at com.ning.http.client.providers.jdk.JDKAsyncHttpProvider.execute(JDKAsyncHttpProvider.java:118)
at com.ning.http.client.AsyncHttpClient.executeRequest(AsyncHttpClient.java:506)
at com.ning.http.client.AsyncHttpClient$BoundRequestBuilder.execute(AsyncHttpClient.java:225)
at org.killbill.billing.plugin.util.http.HttpClient.executeAndWait(HttpClient.java:188)
at org.killbill.billing.plugin.util.http.HttpClient.doCall(HttpClient.java:156)
at org.killbill.billing.plugin.adyen.client.payment.service.DirectoryClient.getDirectory(DirectoryClient.java:44)
at org.killbill.billing.plugin.adyen.client.payment.service.AdyenPaymentServiceProviderHostedPaymentPagePort.getDirectory(AdyenPaymentServiceProviderHostedPaymentPagePort.java:100)
at org.killbill.billing.plugin.adyen.api.AdyenPaymentPluginApi.buildFormDescriptor(AdyenPaymentPluginApi.java:592)