tomcat8 启动报错: ignoring option PermSize=256m处理方法
tomcat版本由7.0升级到8.0启动时,日志报错 Java HotSpot(TM) 64-Bit Server VM warning: ignoring option PermSize=512m; support was removed in 8.0 Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=1024m; support was removed in 8.0 查找资料发现 -XX:PermSize和-XX:MaxPermSize在jdk1.8中被弃用了,使用-XX:MetaspaceSize
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