山峰在前方

nested exception is org.hibernate.MappingException:  Could not get constructor for org.hibernate.persister.entity.SingleTableEntityPersister 解决办法：缺少  javassist-3.15.0-GA.jar  包，版本不定。

nested exception is java.lang.NoClassDefFoundError: org/aopalliance/intercept/MethodInterceptor 的原因是缺少jar包 jar包名字 aopalliance.jar

public List getOnlineMembersByTime(String beginTime, String endTime) { final String hql = "select coi.email, count(coi.id) as onlineTimes from CustomerOnlineInfor coi where coi.beginDate between '"