althars@althars-desktop:~$ cd /usr/lib/jvm/java-6-sun/jre/lib/fonts/
althars@althars-desktop:/usr/lib/jvm/java-6-sun/jre/lib/fonts$ ls
fonts.dir LucidaSansDemiBold.ttf
LucidaBrightDemiBold.ttf LucidaSansRegular.ttf
LucidaBrightDemiItalic.ttf LucidaTypewriterBold.ttf
LucidaBrightItalic.ttf LucidaTypewriterRegular.ttf
LucidaBrightRegular.ttf
althars@althars-desktop:/usr/lib/jvm/java-6-sun/jre/lib/fonts$ sudo mkdir fallback
althars@althars-desktop:/usr/lib/jvm/java-6-sun/jre/lib/fonts$ cd fallback/
althars@althars-desktop:/usr/lib/jvm/java-6-sun/jre/lib/fonts/fallback$ sudo ln -s /usr/share/fonts/wenquanyi/wqy-zenhei/wqy-zenhei.ttf
althars@althars-desktop:/usr/lib/jvm/java-6-sun/jre/lib/fonts/fallback$ sudo mkfontdir
althars@althars-desktop:/usr/lib/jvm/java-6-sun/jre/lib/fonts/fallback$ sudo mkfontscale