Description of problem:
 I am unable to perform any post install configuration via console installation.

Version-Release number of selected component (if applicable):
 EAP 6.2.0.ER3

Steps to Reproduce:
 1. Start console installation, use default values until you reach Post-Install Configuration.
 2. Choose to Perform additional post-install configuration. 
 3. Choose to Add a security domain.
 4. Use default values for Security-Domain Configuration and try to finish the installation.

Actual results:
 Post Processing Error
 Invocation Problem calling : com.redhat.installer.postinstall.PostInstallation, java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at com.izforge.izpack.installer.ProcessPanelWorker$ExecutableClass.run(ProcessPanelWorker.java:760)
	at com.izforge.izpack.installer.ProcessPanelWorker$ProcessingJob.run(ProcessPanelWorker.java:516)
	at com.izforge.izpack.installer.ProcessPanelWorker.runJob(ProcessPanelWorker.java:462)
	at com.izforge.izpack.installer.ProcessPanelWorker.run(ProcessPanelWorker.java:388)
	at com.izforge.izpack.panels.ProcessPanelConsoleHelper.runConsole(ProcessPanelConsoleHelper.java:126)
	at com.izforge.izpack.installer.ConsoleInstaller.iterateAndPerformAction(ConsoleInstaller.java:278)
	at com.izforge.izpack.installer.ConsoleInstaller.doInstall(ConsoleInstaller.java:602)
	at com.izforge.izpack.installer.ConsoleInstaller.run(ConsoleInstaller.java:739)
	at com.izforge.izpack.installer.Installer.main(Installer.java:139)
 Caused by: java.lang.NullPointerException
	at com.redhat.installer.postinstall.PostInstallation.init(PostInstallation.java:285)
	at com.redhat.installer.postinstall.PostInstallation.run(PostInstallation.java:157)
	... 13 more

Expected results:
 Post install configuration will finish without any exception.