MyEclipse has detected that less than 5% of 选择Windows->Preferences; 2 选择MyEclipse->Servers->Integrated Sandbox->MyEclispe Tomcat 6下的JDK; 3 在Option Java VM arguments下粘贴以下代码: -XX:PermSize=256M -XX:MaxPermSize=1024M -Xms1024m -Xmx1024m 4 点击apply,ok,即可。