[Jython-dev] FW: Jython installation problem on Mac OSX

[Jim H. <jh...@pi...>]

Jython gives the following error when attempting to install on Mac OSX (JVM
1.2):

[jhh:~] harrison% java jython-20a2
try path /Users/harrison/
can not get flavour null for os 'Mac_OS_X'
exception in called method net.sourceforge.liftoff.installer.Install2.main
java.lang.NullPointerException
        at java.awt.GridBagLayout.GetLayoutInfo(GridBagLayout.java:808)
        at 
java.awt.GridBagLayout.preferredLayoutSize(GridBagLayout.java:564)
        at java.awt.Container.preferredSize(Container.java:643)
        at java.awt.Container.getPreferredSize(Container.java:626)
        at java.awt.Window.pack(Window.java:264)
        at 
net.sourceforge.liftoff.installer.awt.OSFlavorSelect.setupGui(OSFlavorSelect
.java:133)
        at 
net.sourceforge.liftoff.installer.awt.OSFlavorSelect.<init>(OSFlavorSelect.j
ava:58)
        at 
net.sourceforge.liftoff.installer.awt.OSFlavorSelect.showDialog(OSFlavorSele
ct.java:162)
        at 
net.sourceforge.liftoff.installer.Info.loadInstallerProps(Info.java:307)
        at 
net.sourceforge.liftoff.installer.Install2.<init>(Install2.java:92)
        at 
net.sourceforge.liftoff.installer.Install2.main(Install2.java:130)
        at java.lang.reflect.Method.invoke(Native Method)
        at jython-20a2.main(Install.java:376)
java.lang.reflect.InvocationTargetException

Installation on Mac OS 8.6 with JVM 1.18 appears to work fine, incidentally.

Jim Harrison
Univ. of Pittsburgh