HTTP Status 500 – Internal Server Error


Type Exception Report

Message Request processing failed; nested exception is org.hibernate.NonUniqueResultException: query did not return a unique result: 2

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.hibernate.NonUniqueResultException: query did not return a unique result: 2
	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:624)
	org.riotfamily.common.web.mvc.servlet.InterceptingDispatcherServlet.service(InterceptingDispatcherServlet.java:67)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	org.riotfamily.common.web.filter.PluginChain.doFilter(PluginChain.java:51)
	org.riotfamily.common.web.filter.PluginChain.doFilter(PluginChain.java:58)
	org.riotfamily.statistics.web.RequestStatsFilterPlugin.doFilter(RequestStatsFilterPlugin.java:60)
	org.riotfamily.common.web.filter.PluginChain.doFilter(PluginChain.java:48)
	org.riotfamily.common.web.filter.PluginFilter.doFilterInternal(PluginFilter.java:107)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	org.riotfamily.common.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:84)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)

Root Cause

org.hibernate.NonUniqueResultException: query did not return a unique result: 2
	org.hibernate.impl.AbstractQueryImpl.uniqueElement(AbstractQueryImpl.java:868)
	org.hibernate.impl.AbstractQueryImpl.uniqueResult(AbstractQueryImpl.java:859)
	org.riotfamily.common.hibernate.TypedQuery.uniqueResult(TypedQuery.java:476)
	org.riotfamily.common.hibernate.TypedQuery.load(TypedQuery.java:73)
	it.meetweb.emeroteca.models.SimpleDocument.loadByPath(SimpleDocument.java:222)
	it.meetweb.emeroteca.models.resolvers.SimpleDocumentPageResolver.load(SimpleDocumentPageResolver.java:23)
	it.meetweb.emeroteca.models.resolvers.SimpleDocumentPageResolver.load(SimpleDocumentPageResolver.java:16)
	org.riotfamily.pages.mapping.VirtualPageResolver.resolvePage(VirtualPageResolver.java:18)
	org.riotfamily.pages.config.VirtualPageType.resolve(VirtualPageType.java:74)
	org.riotfamily.pages.config.VirtualPageType.resolve(VirtualPageType.java:70)
	org.riotfamily.pages.mapping.PageResolver.resolveVirtualChildPage(PageResolver.java:119)
	org.riotfamily.pages.mapping.PageResolver.resolvePage(PageResolver.java:101)
	org.riotfamily.pages.mapping.PageResolver.getPage(PageResolver.java:71)
	org.riotfamily.pages.mapping.PageHandlerMapping.getHandlerInternal(PageHandlerMapping.java:44)
	org.springframework.web.servlet.handler.AbstractHandlerMapping.getHandler(AbstractHandlerMapping.java:184)
	org.springframework.web.servlet.DispatcherServlet.getHandler(DispatcherServlet.java:930)
	org.springframework.web.servlet.DispatcherServlet.getHandler(DispatcherServlet.java:915)
	org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:753)
	org.riotfamily.common.web.mvc.servlet.ReloadableDispatcherServlet.doDispatch(ReloadableDispatcherServlet.java:89)
	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:624)
	org.riotfamily.common.web.mvc.servlet.InterceptingDispatcherServlet.service(InterceptingDispatcherServlet.java:67)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	org.riotfamily.common.web.filter.PluginChain.doFilter(PluginChain.java:51)
	org.riotfamily.common.web.filter.PluginChain.doFilter(PluginChain.java:58)
	org.riotfamily.statistics.web.RequestStatsFilterPlugin.doFilter(RequestStatsFilterPlugin.java:60)
	org.riotfamily.common.web.filter.PluginChain.doFilter(PluginChain.java:48)
	org.riotfamily.common.web.filter.PluginFilter.doFilterInternal(PluginFilter.java:107)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	org.riotfamily.common.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:84)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)

Note The full stack trace of the root cause is available in the server logs.


Apache Tomcat/7.0.94