1.找到eclipse.ini文件
找到你的eclipse图标右击————》显示包内容--》contents --》macos
--》eclipse。ini
2.修改内容
-startup
../../../plugins/org.eclipse.equinox.launcher_1.3.0.v20140415-2008.jar
--launcher.library
../../../plugins/org.eclipse.equinox.launcher.cocoa.macosx.x86_64_1.1.200.v20140603-1326
-product
org.eclipse.epp.package.jee.product
--launcher.defaultAction
openFile
-showsplash
org.eclipse.platform
--launcher.XXMaxPermSize
1024m
--launcher.defaultAction
openFile
--launcher.appendVmargs
-vmargs
-Dosgi.requiredJavaVersion=1.6
-XstartOnFirstThread
-Dorg.eclipse.swt.internal.carbon.smallFonts
-XX:MaxPermSize=1024m
-Xms1024m
-Xmx5052m
-Xdock:icon=../Resources/Eclipse.icns
-XstartOnFirstThread
-Dorg.eclipse.swt.internal.carbon.smallFonts
-Duser.language=EN
mac 解决eclipse OutOfMemoryError
原文：http://www.cnblogs.com/liuchuanwu/p/4952140.html