使用idea无法启动项目，错误如下：
Low disk space on a IntelliJ IDEA system directory partition解决办法：
找到安装路径下有个属性文件idea.properties（比如：D:\IntelliJ IDEA\bin）修改成你要设置的路径#---------------------------------------------------------------------
# Uncomment this option if you want to customize path to IDE config folder. Make sure you're using forward slashes
#---------------------------------------------------------------------
idea.config.path=D:/IntelliJ IDEA/.IntelliJIdea12/config#---------------------------------------------------------------------
# Uncomment this option if you want to customize path to IDE system folder. Make sure you're using forward slashes
#---------------------------------------------------------------------
idea.system.path=D:/IntelliJ IDEA/.IntelliJIdea12/system#---------------------------------------------------------------------
# Uncomment this option if you want to customize path to user installed plugins folder. Make sure you're using forward slashes
#---------------------------------------------------------------------
idea.plugins.path=D:/IntelliJ IDEA/.IntelliJIdea12/config/plugins#---------------------------------------------------------------------
# Uncomment this option if you want to customize path to IDE logs folder. Make sure you're using forward slashes.
#---------------------------------------------------------------------
idea.log.path=D:/IntelliJ IDEA/.IntelliJIdea12/system/log