项目中出现：
下面的异常Google了一下找到的原因是因为对数据库的默认日期格式问题，解决方法：
在连接字符串后面添加 zeroDateTimeBehavior=convertToNull 
OK解决。
org.hibernate.exception.GenericJDBCException: could not execute query
  at org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:126)
  at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:114)
  at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)
  at org.hibernate.loader.Loader.doList(Loader.java:2235)
  at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2129)
  at org.hibernate.loader.Loader.list(Loader.java:2124)
  at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:401)
  at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:363)
  at org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:196)
  at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1149)
  at org.hibernate.impl.QueryImpl.list(QueryImpl.java:102)
  at com.mylegist.action.Index.members(Index.java:106)
  at com.mylegist.action.Index.doPost(Index.java:50)
  at com.mylegist.action.Index.doGet(Index.java:43)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
  at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
  at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
  at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
  at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
  at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
  at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
  at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
  at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
  at java.lang.Thread.run(Thread.java:619)
Caused by: java.sql.SQLException: Value '0000-00-00' can not be represented as java.sql.Date
  at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:910)
  at com.mysql.jdbc.ResultSet.getNativeDate(ResultSet.java:3561)
  at com.mysql.jdbc.ResultSet.getNativeDate(ResultSet.java:3501)
  at com.mysql.jdbc.ResultSet.getNativeConvertToString(ResultSet.java:3449)
  at com.mysql.jdbc.ResultSet.getNativeString(ResultSet.java:4251)
  at com.mysql.jdbc.ResultSet.getStringInternal(ResultSet.java:5428)
  at com.mysql.jdbc.ResultSet.getString(ResultSet.java:5240)
  at com.mysql.jdbc.ResultSet.getString(ResultSet.java:5256)
  at org.hibernate.type.StringType.get(StringType.java:41)
  at org.hibernate.type.NullableType.nullSafeGet(NullableType.java:184)
  at org.hibernate.type.NullableType.nullSafeGet(NullableType.java:173)
  at org.hibernate.type.AbstractType.hydrate(AbstractType.java:105)
  at org.hibernate.persister.entity.AbstractEntityPersister.hydrate(AbstractEntityPersister.java:2114)
  at org.hibernate.loader.Loader.loadFromResultSet(Loader.java:1404)
  at org.hibernate.loader.Loader.instanceNotYetLoaded(Loader.java:1332)
  at org.hibernate.loader.Loader.getRow(Loader.java:1230)
  at org.hibernate.loader.Loader.getRowFromResultSet(Loader.java:603)
  at org.hibernate.loader.Loader.doQuery(Loader.java:724)
  at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:259)
  at org.hibernate.loader.Loader.doList(Loader.java:2232)