this version of the Java Runtime only recognizes class file versions up to 52.0 (unable to load clas

翻譯題目，可知是JDK版本問題，編譯器的運行環境的JDL版本高於tomcat版本，降低JDK版本就行 ideaJDK降級 點擊file—project structure—project settings–project—project language level 如圖，8即爲1.8，我將JDK修改成這個後完美解決問題。

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