HTTP Status 500 – Internal Server Error


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.


Apache Tomcat/x.y.z