nested exception is java.lang.IllegalStateException: No persistence units parsed from {classpath*:META-INF/persistence.xml}

Deploying inside Eclipse v3.6 raises the exception. The WEB-INF/classes/ folder in the .war doesn't have the persistence.xml file. Adding it manually and restarting the server doesn't help.

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原文地址：https://www.cnblogs.com/sos-blue/p/3396358.html