Spring 3.1 entityManagerFactory java.lang.NoSuchFieldError: NULL Error

This means there is a version mismatch--most likely with spring classes. So make sure all your spring jars are 3.1.0. Especially spring-expression. (Also upgrade your JPA provider (hibernate?) if it doesn't work after fixing spring)

原文地址:https://www.cnblogs.com/sos-blue/p/3396360.html