com.izforge.izpack.installer.InstallerException: java.lang.IllegalArgumentExcept
ion: URI has an authority component
        at com.izforge.izpack.event.AntActionInstallerListener.performAllActions
(AntActionInstallerListener.java:260)
        at com.izforge.izpack.event.AntActionInstallerListener.afterPacks(AntAct
ionInstallerListener.java:189)
        at com.izforge.izpack.installer.Unpacker.informListeners(Unpacker.java:1
148)
        at com.izforge.izpack.installer.Unpacker.run(Unpacker.java:640)
        at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.IllegalArgumentException: URI has an authority component
        at java.io.File.<init>(File.java:368)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstruct
orAccessorImpl.java:39)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingC
onstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
        at org.apache.tools.ant.launch.Locator.fromURI(Locator.java:165)
        at org.apache.tools.ant.launch.Locator.getResourceSource(Locator.java:11
9)
        at org.apache.tools.ant.launch.Locator.getClassSource(Locator.java:90)
        at org.apache.tools.ant.Project.setAntLib(Project.java:313)
        at org.apache.tools.ant.Project.initProperties(Project.java:309)
        at org.apache.tools.ant.Project.init(Project.java:295)
        at com.izforge.izpack.event.AntAction.performAction(AntAction.java:152)
        at com.izforge.izpack.event.AntAction.performInstallAction(AntAction.jav
a:102)
        at com.izforge.izpack.event.AntActionInstallerListener.performAllActions
(AntActionInstallerListener.java:256)
        ... 4 more