Web開發：關於Tomcat出現The origin server did not find a current representation for the target resourc...的問題

因爲重新安裝了ecilpse，需要自己重新配置tomcat，搞了好久，終於配置好了，寫了個jsp，提示404，The origin server did not find a current representation for the target resource or is not willing to disclose that one exists.如圖： 不知道是什麼原因，查了很多資料

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