org.springframework.dao.EmptyResultDataAccessException: Incorrect result size: expected 1, actual 0 at org.springframework.dao.support.DataAccessUtils.requiredSingleResult(DataAccessUtils.java:71) at org.springframework.jdbc.core.JdbcTemplate.queryForObject(JdbcTemplate.java:722) at org.springframework.jdbc.core.JdbcTemplate$$FastClassByCGLIB$$a4771cb8.invoke() at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149) at org.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:700) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149) at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:77) at cn.pconline.bbs6.aop.AopSqlMonitor.monitor(AopSqlMonitor.java:25) at sun.reflect.GeneratedMethodAccessor15.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:627) at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:616) at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:64) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:635) at org.springframework.jdbc.core.JdbcTemplate$$EnhancerByCGLIB$$2fc19df.queryForObject() at org.springframework.jdbc.core.simple.SimpleJdbcTemplate.queryForObject(SimpleJdbcTemplate.java:169) at cn.pconline.bbs6.repository.ForumRepository.findFromDb(ForumRepository.java:80) at cn.pconline.bbs6.repository.ForumRepository.findFromDb(ForumRepository.java:29) at cn.pconline.bbs6.repository.AbstractRepository.find(AbstractRepository.java:176) at cn.pconline.bbs6.domain.Forum.find(Forum.java:81) at _jsp._intf.__0forum__jsp._jspService(__0forum__jsp.java:140) at com.caucho.jsp.JavaPage.service(JavaPage.java:61) at com.caucho.jsp.Page.pageservice(Page.java:578) at com.caucho.server.dispatch.PageFilterChain.doFilter(PageFilterChain.java:195) at cn.pconline.bbs6.util.EnvFilter.doFilter(EnvFilter.java:51) at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87) at cn.pconline.util.monitor.MonitorFilter.doFilter(MonitorFilter.java:44) at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87) at com.caucho.server.cache.CacheFilterChain.doFilter(CacheFilterChain.java:192) at com.caucho.server.webapp.WebAppFilterChain.doFilter(WebAppFilterChain.java:187) at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:265) at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:273) at com.caucho.server.port.TcpConnection.run(TcpConnection.java:682) at com.caucho.util.ThreadPool$Item.runTasks(ThreadPool.java:730) at com.caucho.util.ThreadPool$Item.run(ThreadPool.java:649) at java.lang.Thread.run(Thread.java:619)