1. Java HotSpot(TM) 64-Bit Server VM warning: ignoring option PermSize=256m; support was removed in 8.0
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=1024; support was removed in 8.0
eclipse 中配置VM 添加了 -Xms256m -Xmx1024m -XX:PermSize=256m -XX:MaxPermSize=1024 去掉-XX:PermSize=256m -XX:MaxPermSize=1024