[izpack-users] start up bug?

[Tushar Kapila]

i downloaded and isntalled ok but when i ran from the command line

C:\Program_Files\IzPack_javaInstaller\lib>java -jar installer.jar
- ERROR -
java.lang.NullPointerException
java.lang.NullPointerException
        at 
java.io.ObjectInputStream$PeekInputStream.read(ObjectInputStream.java:2264)
        at 
java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2277)
        at 
java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:2748)
        at 
java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:780)
        at java.io.ObjectInputStream.<init>(ObjectInputStream.java:280)
        at 
com.izforge.izpack.installer.InstallerBase.loadInstallData(InstallerBase.java:90)
        at 
com.izforge.izpack.installer.GUIInstaller.<init>(GUIInstaller.java:110)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native 
Method)
        at 
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
        at 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27
)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
        at java.lang.Class.newInstance0(Class.java:355)
        at java.lang.Class.newInstance(Class.java:308)
        at com.izforge.izpack.installer.Installer.main(Installer.java:62)