解决The type org.springframework.dao.support.DaoSupport cannot be resolved.bao报错

org.springframework.flex-1.0.0.M2.jar

org.springframework.core-3.1.0.M2.jar

org.springframework.web.servlet-3.0.5.RELEASE.jar

org.springframework.aop-3.0.0.M3.jar

org.springframework.jdbc-3.0.0.M4.jar

org.springframework.instrument-3.0.0.M3.jar

org.springframework.core-3.0.0.M4.jar

org.springframework.aop-3.0.0.M4.jar

importorg.springframework.web.socket.server.standard.ServerEndpointExporter;

org.springframework.web-3.0.0.M4.jar