R1Soft CDP 3.0 – java.net.InetAddress.getLocalHost UnknownHostException

When you launch the CDP 3.0 web interface for the first time, you are prompted to activate your license, or at least you should be. If instead you get a Java error then take a look in /usr/sbin/r1soft/log/monitor.log and you will probably see something like this:

INFO | buserver | 2011/05/29 16:21:59 | May 29, 2011 4:21:59 PM org.zkoss.zk.ui.impl.UiEngineImpl handleError:1253
INFO | buserver | 2011/05/29 16:21:59 | SEVERE: >>java.lang.RuntimeException: java.net.UnknownHostException: cdp.example.com: cdp.example.com
INFO | buserver | 2011/05/29 16:21:59 | >>java.net.UnknownHostException: cdp.example.com: cdp.example.com
INFO | buserver | 2011/05/29 16:21:59 | >> at java.net.InetAddress.getLocalHost(Unknown Source)
INFO | buserver | 2011/05/29 16:21:59 | >> at com.r1soft.backup.server.facade.ServerFacade.getLocalHostIP(ServerFacade.java:537)
INFO | buserver | 2011/05/29 16:21:59 | >> at com.r1soft.backup.server.web.configuration.ActivationWizardWindow.afterCompose(ActivationWizardWindow.java:212)
INFO | buserver | 2011/05/29 16:21:59 | >> at org.zkoss.zk.ui.impl.UiEngineImpl.execCreateChild0(UiEngineImpl.java:736)
INFO | buserver | 2011/05/29 16:21:59 | >> at org.zkoss.zk.ui.impl.UiEngineImpl.execCreateChild(UiEngineImpl.java:685)
INFO | buserver | 2011/05/29 16:21:59 | >> at org.zkoss.zk.ui.impl.UiEngineImpl.execCreate0(UiEngineImpl.java:629)
INFO | buserver | 2011/05/29 16:21:59 | >> at org.zkoss.zk.ui.impl.UiEngineImpl.execCreateChild(UiEngineImpl.java:661)
INFO | buserver | 2011/05/29 16:21:59 | >>…

R1Soft CDP is trying to determine your server’s IP address from it’s hostname, so you need to make sure that your hostname exists in DNS or is at least present in the /etc/hosts file. As soon as Java is able to determine the server’s IP address from it’s hostname then this error message will be replaced with the license activation window that you were expecting to see.