Hi,

  When I setup social identity provider (GitHub) to authenticate the user, it always failed with the below error:

2016-06-07 00:49:05,349 ERROR [org.keycloak.broker.oidc.AbstractOAuth2IdentityProvider] (default task-9) Failed to make identity provider oauth callback: java.net.ConnectException: Connection timed out

        at java.net.PlainSocketImpl.socketConnect(Native Method)

        at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)

        at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)

        at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)

        at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)

        at java.net.Socket.connect(Socket.java:589)

        at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:668)

        at sun.security.ssl.BaseSSLSocketImpl.connect(BaseSSLSocketImpl.java:173)

        at sun.net.NetworkClient.doConnect(NetworkClient.java:180)

        at sun.net.www.http.HttpClient.openServer(HttpClient.java:432)

        at sun.net.www.http.HttpClient.openServer(HttpClient.java:527)

        at sun.net.www.protocol.https.HttpsClient.<init>(HttpsClient.java:264)

        at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367)

        at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191)

        at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1105)

        at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:999)

        at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177)

        at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1283)

        at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1258)

        at sun.net.www.protocol.https.HttpsURLConnectionImpl.getOutputStream(HttpsURLConnectionImpl.java:250)

        at org.keycloak.broker.provider.util.SimpleHttp.asString(SimpleHttp.java:141)

        at org.keycloak.broker.oidc.AbstractOAuth2IdentityProvider$Endpoint.authResponse(AbstractOAuth2IdentityProvider.java:228)

        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

        …

2016-06-07 00:49:05,355 WARN  [org.keycloak.events] (default task-9) type=LOGIN_ERROR, realmId=demo, clientId=null, userId=null, ipAddress=135.252.159.35, error=identity_provider_login_failure

   Can you help to identity the failure reason?

   Thanks,

Ming Li