Type Exception Report
Message Cannot refresh unmanaged object: null.
Description The server encountered an unexpected condition that prevented it from fulfilling the request.
Exception
javax.servlet.ServletException: Cannot refresh unmanaged object: null. javax.faces.webapp.FacesServlet.executeLifecyle(FacesServlet.java:725) javax.faces.webapp.FacesServlet.service(FacesServlet.java:451) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) org.ocpsoft.rewrite.servlet.RewriteFilter.doFilter(RewriteFilter.java:226) org.ocpsoft.rewrite.servlet.impl.HttpRewriteResultHandler.handleResult(HttpRewriteResultHandler.java:42) org.ocpsoft.rewrite.servlet.RewriteFilter.rewrite(RewriteFilter.java:297) org.ocpsoft.rewrite.servlet.RewriteFilter.doFilter(RewriteFilter.java:198)
Root Cause
java.lang.IllegalArgumentException: Cannot refresh unmanaged object: null. org.eclipse.persistence.internal.jpa.EntityManagerImpl.refresh(EntityManagerImpl.java:1140) org.eclipse.persistence.internal.jpa.EntityManagerImpl.refresh(EntityManagerImpl.java:1042) ddgi.publicacions.utils.PersistenciaUtils$EntityManager.refresh(PersistenciaUtils.java:137) ddgi.publicacions.managed.PublicacioHome.prerenderFitxa(PublicacioHome.java:33) sun.reflect.GeneratedMethodAccessor4542.invoke(Unknown Source) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:498) org.apache.el.parser.AstValue.invoke(AstValue.java:247) org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:267) com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:65) com.sun.faces.facelets.tag.jsf.core.DeclarativeSystemEventListener.processEvent(EventHandler.java:107) javax.faces.component.UIComponent$ComponentSystemEventListenerAdapter.processEvent(UIComponent.java:2360) javax.faces.event.SystemEvent.processListener(SystemEvent.java:123) javax.faces.event.ComponentSystemEvent.processListener(ComponentSystemEvent.java:110) com.sun.faces.application.applicationimpl.Events.processListeners(Events.java:253) com.sun.faces.application.applicationimpl.Events.invokeComponentListenersFor(Events.java:186) com.sun.faces.application.applicationimpl.Events.publishEvent(Events.java:106) com.sun.faces.application.ApplicationImpl.publishEvent(ApplicationImpl.java:127) com.sun.faces.application.ApplicationImpl.publishEvent(ApplicationImpl.java:119) com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:89) com.sun.faces.lifecycle.Phase.doPhase(Phase.java:76) com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:199) javax.faces.webapp.FacesServlet.executeLifecyle(FacesServlet.java:708) javax.faces.webapp.FacesServlet.service(FacesServlet.java:451) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) org.ocpsoft.rewrite.servlet.RewriteFilter.doFilter(RewriteFilter.java:226) org.ocpsoft.rewrite.servlet.impl.HttpRewriteResultHandler.handleResult(HttpRewriteResultHandler.java:42) org.ocpsoft.rewrite.servlet.RewriteFilter.rewrite(RewriteFilter.java:297) org.ocpsoft.rewrite.servlet.RewriteFilter.doFilter(RewriteFilter.java:198)
Note The full stack trace of the root cause is available in the server logs.