eclipse的Server里找不到Apache tomcat

在Eclipse里建了jsp文件報錯 The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path 發現是沒有添加apache tomcat(解決方案：java構建路徑->庫->添加庫->server runtime->添加apache) 添加庫時，找不到server runtime相關選項

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