Java Heap Space error occurring in my system. I tried lot of solutions from Stack Overflow but nothing is working. When i am working

when pressing OK then


(No error in my project)
My eclipse.ini Is:
-startup
plugins/org.eclipse.equinox.launcher_1.3.0.v20120522-1813.jar
--launcher.library
plugins/org.eclipse.equinox.launcher.win32.win32.x86_1.1.200.v20120913-144807
-product
com.android.ide.eclipse.adt.package.product
--launcher.XXMaxPermSize
256M
-showsplash
com.android.ide.eclipse.adt.package.product
--launcher.XXMaxPermSize
256m
--launcher.defaultAction
openFile
-vmargs
-Dosgi.requiredJavaVersion=1.6
-Declipse.buildId=v22.3.0-887826
-XX:MaxPermSize=512M
My RAM:4GB Please help me to solve this issue.