09:02:32.727 ERROR org.hibernate.util.JDBCExceptionReporter - Cannot delete or update a parent row: a foreign key constraint fails (`jeecms`.`jc_topic`, CONSTRAINT `fk_jc_topic_channel` FOREIGN KEY (`channel_id`) REFERENCES `jc_channel` (`channel_id`)) Dec 10, 2015 9:02:32 AM org.apache.catalina.core.StandardWrapperValve invoke SEVERE: Servlet.service() for servlet [JeeCmsAdmin] in context with path [] threw exception [Request processing failed; nested exception is org.springframework.dao.DataIntegrityViolationException: Could not execute JDBC batch update; SQL [delete from jc_channel where channel_id=?]; constraint [null]; nested exception is org.hibernate.exception.ConstraintViolationException: Could not execute JDBC batch update] with root cause java.sql.BatchUpdateException: Cannot delete or update a parent row: a foreign key constraint fails (`jeecms`.`jc_topic`, CONSTRAINT `fk_jc_topic_channel` FOREIGN KEY (`channel_id`) REFERENCES `jc_channel` (`channel_id`))         at com.mysql.jdbc.PreparedStatement.executeBatchSerially(PreparedStatement.java:2016)         at com.mysql.jdbc.PreparedStatement.executeBatch(PreparedStatement.java:1452)         at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeBatch(NewProxyPreparedStatement.java:1723)         at org.hibernate.jdbc.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:70)         at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:268)         at org.hibernate.jdbc.AbstractBatcher.prepareStatement(AbstractBatcher.java:114)         at org.hibernate.jdbc.AbstractBatcher.prepareStatement(AbstractBatcher.java:109)

什么功能报错

修改了栏目后不显示了   现在添加栏目页不显示了

什么意思，你这报错是删除栏目报的错吧

java.text.ParseException: Unparseable date: "Dec 10, 2015"
        at java.text.DateFormat.parse(DateFormat.java:357)
        at com.jeecms.common.util.DateFormatUtils.parseDate(DateFormatUtils.java:42)
        at com.jeecms.cms.service.CmsSiteFlowCacheImpl.visitPages(CmsSiteFlowCacheImpl.java:239)
        at com.jeecms.cms.service.CmsSiteFlowCacheImpl.flow(CmsSiteFlowCacheImpl.java:95)
        at com.jeecms.cms.action.front.CmsSiteFlowAct.flowStatistic(CmsSiteFlowAct.java:23)
        at sun.reflect.GeneratedMethodAccessor871.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:176)
        at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:440)
        at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:428)
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:925)
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:856)
        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:936)
        at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:827)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:812)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at com.jeecms.common.web.XssFilter.doFilter(XssFilter.java:48)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:24

使用什么功能报错，你就贴个错误信息出来看不了的

刚把数据库重启了， 现在也不报错了  就是添加的栏目不显示

添加的栏目在哪里显示不了

现在确定了 就是添加了栏目 刷新首页 首页不显示对应的栏目  报一下错误

java.text.ParseException: Unparseable date: "Dec 10, 2015"
        at java.text.DateFormat.parse(DateFormat.java:357)
        at com.jeecms.common.util.DateFormatUtils.parseDate(DateFormatUtils.java:42)
        at com.jeecms.cms.service.CmsSiteFlowCacheImpl.visitPages(CmsSiteFlowCacheImpl.java:239)
        at com.jeecms.cms.service.CmsSiteFlowCacheImpl.flow(CmsSiteFlowCacheImpl.java:95)
        at com.jeecms.cms.action.front.CmsSiteFlowAct.flowStatistic(CmsSiteFlowAct.java:23)
        at sun.reflect.GeneratedMethodAccessor871.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:176)
        at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:440)
        at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:428)
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:925)
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:856)
        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:936)
        at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:827)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:812)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at com.jeecms.common.web.XssFilter.doFilter(XssFilter.java:48)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
        at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)
        at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)
        at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)

你首页写了取栏目的标签吗