启动报错 Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=256m; support was remove

  删掉 -Xmx768m -XX:MaxPermSize=256m  换成 -Xmx2048m -XX:MetaspaceSize=512m -XX:MaxMetaspaceSize=768m -Xss2m

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