Hello All,
I was trying to install D2 4.5, I successfully generated the DAR files,
But When installing the D2 WARs, I got this error:

I inspected the error log and I got this:
Current MAC address : java.lang.NullPointerException
at java.util.Hashtable.put(Unknown Source)
at java.util.Properties.setProperty(Unknown Source)
at com.izforge.izpack.installer.AutomatedInstallData.setVariable(Unknown Source)
at com.emc.shared.services.macros.IzpackVariableResolver.setProperty(IzpackVariableResolver.java:31)
at com.emc.shared.services.macros.MacroResolver.setProperty(MacroResolver.java:32)
at com.emc.izpack.event.InitializeSharedLibrary.initializeCommonMacros(InitializeSharedLibrary.java:269)
at com.emc.izpack.event.InitializeSharedLibrary.beforePacks(InitializeSharedLibrary.java:55)
at com.izforge.izpack.installer.UnpackerBase.informListeners(Unknown Source)
at com.izforge.izpack.installer.Unpacker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Do you have any idea how to fix that ?
Regards,
Adam