Type Exception Report
Message Request processing failed; nested exception is org.springframework.dao.EmptyResultDataAccessException: Incorrect result size: expected 1, actual 0
Description The server encountered an unexpected condition that prevented it from fulfilling the request.
Exception
org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.springframework.dao.EmptyResultDataAccessException: Incorrect result size: expected 1, actual 0 org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:656) org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:549) javax.servlet.http.HttpServlet.service(HttpServlet.java:621) javax.servlet.http.HttpServlet.service(HttpServlet.java:728) cn.ucas.video.utils.MyFilter.doFilter(MyFilter.java:69) org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88) org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) cn.ucas.video.filter.XssFilter.doFilter(XssFilter.java:29)
Root Cause
org.springframework.dao.EmptyResultDataAccessException: Incorrect result size: expected 1, actual 0 org.springframework.dao.support.DataAccessUtils.requiredSingleResult(DataAccessUtils.java:71) org.springframework.jdbc.core.JdbcTemplate.queryForObject(JdbcTemplate.java:729) cn.ucas.video.dao.implement.CourseClassDaoImpl.queryUpload(CourseClassDaoImpl.java:92) cn.ucas.video.service.implement.CourseClassServiceImpl.queryUpload(CourseClassServiceImpl.java:61) cn.ucas.video.service.implement.CourseClassServiceImpl$$FastClassByCGLIB$$7dd257fa.invoke(<generated>) net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:191) org.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:688) org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150) org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110) org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89) org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:621) cn.ucas.video.service.implement.CourseClassServiceImpl$$EnhancerByCGLIB$$64cf243c.queryUpload(<generated>) cn.ucas.video.controller.CourseController.getplaytitle(CourseController.java:1117) sun.reflect.GeneratedMethodAccessor299.invoke(Unknown Source) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) java.lang.reflect.Method.invoke(Method.java:597) org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:176) org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:426) org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:414) org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:790) org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719) org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:644) org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:549) javax.servlet.http.HttpServlet.service(HttpServlet.java:621) javax.servlet.http.HttpServlet.service(HttpServlet.java:728) cn.ucas.video.utils.MyFilter.doFilter(MyFilter.java:69) org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88) org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) cn.ucas.video.filter.XssFilter.doFilter(XssFilter.java:29)
Note The full stack trace of the root cause is available in the server logs.