java.lang.NoClassDefFoundError: org/springframework/dao/support/DaoSupport

转自：https://blog.csdn.net/lzx159951/article/details/79753493

1.

缺少：org.springframework.transaction-3.0.5.RELEASE.jar

Maven依赖配置

<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-tx</artifactId>
    <version>3.0.5.RELEASE</version>
</dependency>