At least one JPA metamodel must be present。 Perhaps you are running on a JRE rather than a JDK?

At least one JPAmetamodel must be present 至少必須有一個JPA元模型 == Perhaps you arerunning on a JRE rather than a JDK? 也許您正在運行的是JRE而不是JDK? 默認是運行在jre上的， 但是maven插件需要使用jdk，因此需要在eclipse修改Installed JRES 位置在-->【Wind

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