applicationContext.xml 文件頭報錯Referenced file contains errors

轉載：https://www.cnblogs.com/zjfjava/p/6950290.html 問題如下：原先運行正常的項目，突然在applicationContext.xml 文件頭報錯      內容：Referenced file contains errors (http://www.springframework.org/schema/tx/spring-tx.xsd). For m

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