Erro ao inserir os dados no banco de dados Postgres

 
HTTP Status 500 - 



type Exception report
message 
description The server encountered an internal error () that prevented it from fulfilling this request.
exception 
javax.servlet.ServletException: #{Secretaria.finishConfirmaCadSecretaria}: java.lang.IllegalArgumentException: attempt to create create event with null entity
         javax.faces.webapp.FacesServlet.service(FacesServlet.java:256)
         org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178)
         org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)
         org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:388)
         org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:515)
root cause 
javax.faces.FacesException: #{Secretaria.finishConfirmaCadSecretaria}: java.lang.IllegalArgumentException: attempt to create create event with null entity
         com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:107)
         javax.faces.component.UICommand.broadcast(UICommand.java:383)
         org.ajax4jsf.component.AjaxActionComponent.broadcast(AjaxActionComponent.java:55)
         org.ajax4jsf.component.AjaxViewRoot.processEvents(AjaxViewRoot.java:324)
         org.ajax4jsf.component.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:299)
         org.ajax4jsf.component.AjaxViewRoot.processPhase(AjaxViewRoot.java:256)
         org.ajax4jsf.component.AjaxViewRoot.processApplication(AjaxViewRoot.java:469)
         com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:97)
         com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
         com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:117)
         javax.faces.webapp.FacesServlet.service(FacesServlet.java:244)
         org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178)
         org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)
         org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:388)
         org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:515)
root cause 
javax.faces.el.EvaluationException: java.lang.IllegalArgumentException: attempt to create create event with null entity
         javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:91)
         com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:91)
         javax.faces.component.UICommand.broadcast(UICommand.java:383)
         org.ajax4jsf.component.AjaxActionComponent.broadcast(AjaxActionComponent.java:55)
         org.ajax4jsf.component.AjaxViewRoot.processEvents(AjaxViewRoot.java:324)
         org.ajax4jsf.component.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:299)
         org.ajax4jsf.component.AjaxViewRoot.processPhase(AjaxViewRoot.java:256)
         org.ajax4jsf.component.AjaxViewRoot.processApplication(AjaxViewRoot.java:469)
         com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:97)
         com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
         com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:117)
         javax.faces.webapp.FacesServlet.service(FacesServlet.java:244)
         org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178)
         org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)
         org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:388)
         org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:515)
root cause 
java.lang.IllegalArgumentException: attempt to create create event with null entity
         org.hibernate.event.PersistEvent.<init>(PersistEvent.java:45)
         org.hibernate.event.PersistEvent.<init>(PersistEvent.java:38)
         org.hibernate.impl.SessionImpl.persist(SessionImpl.java:620)
         org.hibernate.impl.SessionImpl.persist(SessionImpl.java:624)
         secretaria.dao.GenericDAO.saveOrUpadatePojo(GenericDAO.java:21)
         secretaria.dao.CadSecretariaDAO.addCadastrarSecretaria(CadSecretariaDAO.java:22)
         secretaria.faces.Secretaria.finishConfirmaCadSecretaria(Secretaria.java:31)
         sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
         sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
         sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
         java.lang.reflect.Method.invoke(Method.java:623)
         org.apache.el.parser.AstValue.invoke(AstValue.java:172)
         org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276)
         com.sun.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:68)
         javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:77)
         com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:91)
         javax.faces.component.UICommand.broadcast(UICommand.java:383)
         org.ajax4jsf.component.AjaxActionComponent.broadcast(AjaxActionComponent.java:55)
         org.ajax4jsf.component.AjaxViewRoot.processEvents(AjaxViewRoot.java:324)
         org.ajax4jsf.component.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:299)
         org.ajax4jsf.component.AjaxViewRoot.processPhase(AjaxViewRoot.java:256)
         org.ajax4jsf.component.AjaxViewRoot.processApplication(AjaxViewRoot.java:469)
         com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:97)
         com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
         com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:117)
         javax.faces.webapp.FacesServlet.service(FacesServlet.java:244)
         org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178)
         org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)
         org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:388)
         org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:515)
note The full stack trace of the root cause is available in the Apache Tomcat/6.0.24 logs.