Problema de redirect => vraptor 3.5.1

Pessoal estou com um problema bem estranho e intermitente , a logica geral do sistema é :

O cara insere e eu dou um redirect pra edicao pra eles ver se os dados inputados ficaram corretos entao a logica é a seguinte

@Restrict
	public void form() {
		result.include("tipoPessoaJuridicaList",
				this.repositoryTipoPessoaJuridica.listAll());
	}

	@Restrict
	@Path("edit/{instituicao.id}")
	public void edit(Instituicao instituicao) {
		result.include("instituicao", repositoryInstituicao.load(instituicao));
		result.forwardTo(this).form();

	}

	@Post
	public void saveOrUpdate(Instituicao instituicao) {
		instituicao.setUsuario(this.session.getUsuario());
		result.include("operation",
				repositoryInstituicao.saveOrUpdate(instituicao));
		result.redirectTo(this).edit(instituicao);
	}

No redirect a url é chamada corretamente
URL : http://…/instituicao/edit/4
o parametro existe no request também
instituicao.id:4

Mesmo assim de vez em quando ele lanca esta exception

Exception : 
br.com.caelum.vraptor.InterceptionException: exception raised, check root cause for details: br.com.caelum.vraptor.proxy.ProxyInvocationException: org.apache.jasper.JasperException: An exception occurred processing JSP page /WEB-INF/jsp/instituicao/form.jsp 
        at line 7 4: 5: 6: 7: 9: 10: Stacktrace: 
        at br.com.caelum.vraptor.interceptor.ExecuteMethodInterceptor.intercept(ExecuteMethodInterceptor.java:96) 
        at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54) 
        at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54) 
        at br.com.caelum.vraptor.core.LazyInterceptorHandler.execute(LazyInterceptorHandler.java:61) 
        at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54) 
        at br.com.caelum.vraptor.core.LazyInterceptorHandler.execute(LazyInterceptorHandler.java:61) 
        at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54) 
        at br.com.caelum.vraptor.core.LazyInterceptorHandler.execute(LazyInterceptorHandler.java:61) 
        at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54) 
        at br.com.caelum.vraptor.core.LazyInterceptorHandler.execute(LazyInterceptorHandler.java:61) 
        at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54) 
        at br.com.caelum.vraptor.interceptor.ParametersInstantiatorInterceptor.intercept(ParametersInstantiatorInterceptor.java:96) 
        at br.com.caelum.vraptor.core.LazyInterceptorHandler.execute(LazyInterceptorHandler.java:59) 
        at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54) 
        at br.gov.sp.defensoria.common.vraptor.hibernate.HibernateTransactionInterceptor.intercept(HibernateTransactionInterceptor.java:37) 
        at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54) 
        at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54) 
        at br.gov.sp.defensoria.common.vraptor.interceptor.RestrictInterceptor.intercept(RestrictInterceptor.java:52) 
        at br.com.caelum.vraptor.core.LazyInterceptorHandler.execute(LazyInterceptorHandler.java:59) 
        at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54) 
        at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:56) 
        at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54) 
        at br.com.caelum.vraptor.interceptor.FlashInterceptor.intercept(FlashInterceptor.java:83) 
        at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54) 
        at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54) 
        at br.com.caelum.vraptor.interceptor.ExceptionHandlerInterceptor.intercept(ExceptionHandlerInterceptor.java:67) 
        at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54) 
        at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54) 
        at br.com.caelum.vraptor.interceptor.InstantiateInterceptor.intercept(InstantiateInterceptor.java:48) 
        at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54) 
        at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54) 
        at br.gov.sp.defensoria.common.vraptor.interceptor.ErrorInterceptor.intercept(ErrorInterceptor.java:57) 
        at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54) 
        at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54) 
        at br.gov.sp.defensoria.common.vraptor.interceptor.NoCacheInterceptor.intercept(NoCacheInterceptor.java:36) 
        at br.com.caelum.vraptor.core.LazyInterceptorHandler.execute(LazyInterceptorHandler.java:59) 
        at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54) 
        at br.gov.sp.defensoria.common.vraptor.interceptor.AuthenticationInterceptor.intercept(AuthenticationInterceptor.java:39) 
        at br.com.caelum.vraptor.core.LazyInterceptorHandler.execute(LazyInterceptorHandler.java:59) 
        at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54) 
        at br.com.caelum.vraptor.interceptor.ResourceLookupInterceptor.intercept(ResourceLookupInterceptor.java:69) 
        at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54) 
        at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54) 
        at br.com.caelum.vraptor.core.EnhancedRequestExecution.execute(EnhancedRequestExecution.java:44) 
        at br.com.caelum.vraptor.VRaptor$1.insideRequest(VRaptor.java:91) 
        at br.com.caelum.vraptor.ioc.guice.GuiceProvider.provideForRequest(GuiceProvider.java:82) 
        at br.com.caelum.vraptor.VRaptor.doFilter(VRaptor.java:88) 
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1423) 
        at br.com.jslsolucoes.profiler.web.filter.WebProfiler.doFilter(WebProfiler.java:35) 
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1423) 
        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:450) 
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:138) 
        at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:564) 
        at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:213) 
        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1083) 
        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:379) 
        at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:175) 
        at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1017) 
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:136) 
        at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:227) 
        at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:109) 
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97) 
        at org.eclipse.jetty.server.Server.handle(Server.java:445) 
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:260) 
        at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:225) 
        at org.eclipse.jetty.io.AbstractConnection$ReadCallback.run(AbstractConnection.java:358) 
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:596) 
        at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:527) 
        at java.lang.Thread.run(Thread.java:724) 
Caused by: br.com.caelum.vraptor.proxy.ProxyInvocationException: org.apache.jasper.JasperException: An exception occurred processing JSP page /WEB-INF/jsp/instituicao/form.jsp 
        at line 7 4: 5: 6: 7: 9: 10: Stacktrace: 
        at br.com.caelum.vraptor.view.DefaultLogicResult$1.intercept(DefaultLogicResult.java:110) 
        at br.com.caelum.vraptor.proxy.JavassistProxifier$2.invoke(JavassistProxifier.java:95) 
        at br.gov.sp.defensoria.convenio.controller.InstituicaoController_$$_javassist_187.form(InstituicaoController_$$_javassist_187.java) 
        at br.gov.sp.defensoria.convenio.controller.InstituicaoController.edit(InstituicaoController.java:79) 
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) 
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
        at java.lang.reflect.Method.invoke(Method.java:606) 
        at br.com.caelum.vraptor.interceptor.ExecuteMethodInterceptor.intercept(ExecuteMethodInterceptor.java:61) ... 68 more 
Caused by: org.apache.jasper.JasperException: An exception occurred processing JSP page /WEB-INF/jsp/instituicao/form.jsp 
        at line 7 4: 5: 6: 7: 9: 10: Stacktrace: 
        at org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:521) 
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:412) 
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313) 
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260) 
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:848) 
        at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:681) 
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1452) 
        at br.com.caelum.vraptor.core.DefaultStaticContentHandler.deferProcessingToContainer(DefaultStaticContentHandler.java:74) 
        at br.com.caelum.vraptor.VRaptor.doFilter(VRaptor.java:79) 
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1423) 
        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:450) 
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:138) 
        at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:582) 
        at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:213) 
        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1083) 
        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:379) 
        at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:175) 
        at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1017) 
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:136) 
        at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:261) 
        at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:101) 
        at br.com.caelum.vraptor.view.DefaultLogicResult$1.intercept(DefaultLogicResult.java:101) ... 76 more 
Caused by: javax.servlet.ServletException: javax.servlet.jsp.JspException: javax.servlet.jsp.JspException: javax.el.ELException: Error reading 'id' on type br.gov.sp.defensoria.convenio.model.Instituicao_$$_javassist_55 
        at org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:861) 
        at org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:794) 
        at org.apache.jsp.WEB_002dINF.jsp.instituicao.form_jsp._jspService(form_jsp.java:112) 
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) 
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:848) 
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:388) ... 96 more 
Caused by: javax.servlet.jsp.JspException: javax.el.ELException: Error reading 'id' on type br.gov.sp.defensoria.convenio.model.Instituicao_$$_javassist_55 
        at org.apache.jsp.WEB_002dINF.jsp.instituicao.form_jsp$Helper.invoke(form_jsp.java:1886) 
        at org.apache.jsp.tag.meta.http_003a.tagria_com_br.tags.html.html.form.form_tag.doTag(form_tag.java:540) 
        at org.apache.jsp.WEB_002dINF.jsp.instituicao.form_jsp._jspx_meth_html_005fform_005f0(form_jsp.java:150) 
        at org.apache.jsp.WEB_002dINF.jsp.instituicao.form_jsp.access$0(form_jsp.java:134) 
        at org.apache.jsp.WEB_002dINF.jsp.instituicao.form_jsp$Helper.invoke0(form_jsp.java:1303) 
        at org.apache.jsp.WEB_002dINF.jsp.instituicao.form_jsp$Helper.invoke(form_jsp.java:1798) 
        at org.apache.jsp.tag.meta.http_003a.tagria_com_br.tags.html.html.view_tag._jspx_meth_c_005fif_005f1(view_tag.java:269) 
        at org.apache.jsp.tag.meta.http_003a.tagria_com_br.tags.html.html.view_tag.doTag(view_tag.java:177) 
        at org.apache.jsp.WEB_002dINF.jsp.instituicao.form_jsp._jspx_meth_html_005fview_005f0(form_jsp.java:129) 
        at org.apache.jsp.WEB_002dINF.jsp.instituicao.form_jsp._jspService(form_jsp.java:103) ... 99 more 
Caused by: javax.el.ELException: Error reading 'id' on type br.gov.sp.defensoria.convenio.model.Instituicao_$$_javassist_55 
        at javax.el.BeanELResolver.getValue(BeanELResolver.java:87) 
        at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:54) 
        at org.apache.el.parser.AstValue.getValue(AstValue.java:123) 
        at org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186) 
        at org.apache.jasper.runtime.PageContextImpl.proprietaryEvaluate(PageContextImpl.java:938) 
        at org.apache.jsp.WEB_002dINF.jsp.instituicao.form_jsp._jspx_meth_html_005fformHidden_005f0(form_jsp.java:167) 
        at org.apache.jsp.WEB_002dINF.jsp.instituicao.form_jsp.access$4(form_jsp.java:155) 
        at org.apache.jsp.WEB_002dINF.jsp.instituicao.form_jsp$Helper.invoke1(form_jsp.java:1331) 
        at org.apache.jsp.WEB_002dINF.jsp.instituicao.form_jsp$Helper.invoke(form_jsp.java:1801) ... 108 more 
Caused by: org.hibernate.ObjectNotFoundException: No row with the given identifier exists: [br.gov.sp.defensoria.convenio.model.Instituicao#4] 
        at org.hibernate.internal.SessionFactoryImpl$1$1.handleEntityNotFound(SessionFactoryImpl.java:244) 
        at org.hibernate.proxy.AbstractLazyInitializer.checkTargetState(AbstractLazyInitializer.java:261) 
        at org.hibernate.proxy.AbstractLazyInitializer.initialize(AbstractLazyInitializer.java:175) 
        at org.hibernate.proxy.AbstractLazyInitializer.getImplementation(AbstractLazyInitializer.java:285) 
        at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:185) 
        at br.gov.sp.defensoria.convenio.model.Instituicao_$$_javassist_55.getId(Instituicao_$$_javassist_55.java) 
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) 
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
        at java.lang.reflect.Method.invoke(Method.java:606) 
        at javax.el.BeanELResolver.getValue(BeanELResolver.java:83) ... 116 more

O erro é lancado so que se eu olhar no banco o registro id 4 por exemplo existe e esta gravado corretamente apesar de ele falar que a causa foi
(Caused by: org.hibernate.ObjectNotFoundException: No row with the given identifier exists: [br.gov.sp.defensoria.convenio.model.Instituicao#4] )

Alguma luz do que possa ser ? Algum problema entre o commit e o redirect será ? Por exemplo de o commit estar demorando mais que o redirect (causando o org.hibernate.ObjectNotFoundException) ? Isso é possível ? O problema é intermitente , ou seja ,
acontece as vezes só .

Estou usando o plugin vraptor-hibernate-4

vc tá usando o refresh pra carregar o objeto?

vc tá usando o getReference() do EM ou o get da Session?
se sim, tenta trocar pra find

[quote=Lucas Cavalcanti]vc tá usando o refresh pra carregar o objeto?

vc tá usando o getReference() do EM ou o get da Session?
se sim, tenta trocar pra find[/quote]

Se puder acompanhar aqui Lucas . Tem mais detalhes de implementacao

http://www.guj.com.br/11153-problema-de-redirect--vraptor-351/#comment-34819

Estou usando this.session.load() para carregar