Here's how: Find the Eclipse.ini in the Eclipse directory to see the following:
-startup
Plugins/org.eclipse.equinox.launcher_1.1.0.v20100507.jar
--launcher.library
plugins/org.eclipse.equinox.launcher.win32.win32.x86_1.1.0.v20100503
-product
Org.eclipse.epp.package.jee.product
--launcher.defaultaction
OpenFile
--launcher. Xxmaxpermsize
256M
-showsplash
Org.eclipse.platform
--launcher. Xxmaxpermsize
256m
--launcher.defaultaction
OpenFile
-vmargs
-dosgi.requiredjavaversion=1.5
-xms40m
-xmx512m
You can start eclipse by modifying it to the following
-startup
Plugins/org.eclipse.equinox.launcher_1.1.0.v20100507.jar
--launcher.library
plugins/org.eclipse.equinox.launcher.win32.win32.x86_1.1.0.v20100503
-product
Org.eclipse.epp.package.jee.product
--launcher.defaultaction
OpenFile
--launcher. Xxmaxpermsize
128M
-showsplash
Org.eclipse.platform
--launcher. Xxmaxpermsize
128m
--launcher.defaultaction
OpenFile
-vmargs
-dosgi.requiredjavaversion=1.6
-xms40m
-xmx256m
Eclipse startup appears failed to create the Java Virtual machine "solution