Java 7 dando problema no mac ?

Faça o download do java Jre-7u25-macosx-64.dmg. 

Instale o Java.

Abra o terminal e digite:

sudo rm /usr/bin/java

sudo ln -s /Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home/bin/java /usr/bin/java

Pronto reinicie o browser.