建立 jsp異常，The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path

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　　新項目，建立jsp頁面的時候報異常：

Multiple annotations found at this line:    - The superclass "javax.servlet.http.HttpServlet" was      not found on the Java Build Path    - The superclass "javax.servlet.http.HttpServlet" was      not found on the Java Build Path

　　右擊項目 -> Properties -> Java Build Path -> Libraries 選項 -> 點擊 Add Library -> Server Runtime

　　選擇tomcate -> 完成。

　　如下：

　　再看jsp 頁面已經正常了。

 

建立 jsp異常，The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path