Error while running NETCA or DBCA with XMING on Unix AIX

 I got this error while I'm using the XMING to lunch DBCA and NETCA
$ netca

Oracle Net Services Configuration:
Warning: Cannot convert string "-*-lucida-medium-r-*-*-*-*-*-*-*-*-iso8859-1" to type FontStruct


java.lang.InternalError: java/langNullPointerException
        at sun.awt.motif.MComponentPeer.pSetFont(Native Method)
        at sun.awt.motif.MComponentPeer.setFont(MComponentPeer.java:308)
        at sun.awt.motif.MWindowPeer.init(MWindowPeer.java:144)
        at sun.awt.motif.MFramePeer.(MFramePeer.java:91)
        at sun.awt.motif.MToolkit.createFrame(MToolkit.java:301)
        at java.awt.Frame.addNotify(Frame.java:502)
        at java.awt.Window.pack(Window.java:470)
        at oracle.ewt.wizard.WizardDialog.runDialog(Unknown Source)
        at oracle.net.ca.NetCA.start(Unknown Source)
        at oracle.net.ca.NetCA.(Unknown Source)
        at oracle.net.ca.NetCA.main(Unknown Source)
Oracle Net Services configuration failed.  The exit code is -1

The solution is very simple. Just need to install the missing font at your PC (Not the server)