java.lang.IllegalStateException: Ambiguous mapping. Cannot map 'specificationController' method

SSM 修改 Service 包下方法, 報錯 : " Caused by: java.lang.IllegalStateException: Ambiguous mapping. Cannot map ‘specificationController’ method " 報錯提示說的很明白嘛: 引起原因：java.lang.IllegalStateException：模棱兩可的映射。 無法映射「

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