Corda Doormanの不明なホストURL例外を取得する

Question

Cordaネットワークで証明書を生成し、ノードのIDを登録する予定です。私はこのURL http://testnet.certificate.corda.netを使用しましたが、--initial-registrationでコマンド（java -jar corda.jar）を起動すると例外がスローされます。

Submitting certificate signing request to Corda certificate signing server. 
Exception in thread "main" java.net.UnknownHostException: cordaci-netperm.corda. 
r3cev.com 
    at java.net.AbstractPlainSocketImpl.connect(Unknown Source) 
    at java.net.PlainSocketImpl.connect(Unknown Source) 
    at java.net.SocksSocketImpl.connect(Unknown Source) 
    at java.net.Socket.connect(Unknown Source) 
    at sun.security.ssl.SSLSocketImpl.connect(Unknown Source) 
    at sun.security.ssl.BaseSSLSocketImpl.connect(Unknown Source) 
    at sun.net.NetworkClient.doConnect(Unknown Source) 
    at sun.net.www.http.HttpClient.openServer(Unknown Source) 
    at sun.net.www.http.HttpClient.openServer(Unknown Source) 
    at sun.net.www.protocol.https.HttpsClient.<init>(Unknown Source) 
    at sun.net.www.protocol.https.HttpsClient.New(Unknown Source) 
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewH 
ttpClient(Unknown Source) 
    at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(Unknown Sou 
rce) 
    at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Sour 
ce) 
    at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect 
(Unknown Source) 
    at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(Unknown 
Source) 
    at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(Unknown S 
ource) 
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getOutputStream(Unk 
nown Source) 
    at net.corda.node.utilities.registration.HTTPNetworkRegistrationService. 
submitRequest(HTTPNetworkRegistrationService.kt:51) 
    at net.corda.node.utilities.registration.NetworkRegistrationHelper.submi 
tOrResumeCertificateSigningRequest(NetworkRegistrationHelper.kt:142) 
    at net.corda.node.utilities.registration.NetworkRegistrationHelper.build 
Keystore(NetworkRegistrationHelper.kt:61) 
    at net.corda.node.internal.NodeStartup.maybeRegisterWithNetworkAndExit(N 
odeStartup.kt:148) 
    at net.corda.node.internal.NodeStartup.run(NodeStartup.kt:69) 
    at net.corda.node.Corda.main(Corda.kt:11) 

Answer 1

代わりにこちらの手順に沿ってみてください：https://docs.corda.net/permissioning.html#starting-the-registration

この

は、スタックトレースです。