1、打开eclipse.ini，如下：-startupplugins/org.eclipse.equinox.launcher_1.0.201.R35x_v20090715.jar--launcher.libraryplugins/org.eclipse.equinox.launcher.win32.win32.x86_1.0.200.v20090519-productorg.eclipse.epp.package.jee.product--launcher.XXMaxPermSize256M-showsplashorg.eclipse.platform--launcher.XXMaxPermSize256m-vmargs-Dosgi.requiredJavaVersion=1.5-Xms40m-Xmx512m
2、将最后一行“Xmx512m”改为“Xmx256m”，保存，即可。