org.hibernate.AssertionFailure: null identifier
	at org.hibernate.engine.EntityKey.(EntityKey.java:38)
	at org.hibernate.event.def.DefaultRefreshEventListener.onRefresh(DefaultRefreshEventListener.java:74)
	at org.hibernate.event.def.DefaultRefreshEventListener.onRefresh(DefaultRefreshEventListener.java:39)
	at org.hibernate.impl.SessionImpl.fireRefresh(SessionImpl.java:886)
	at org.hibernate.impl.SessionImpl.refresh(SessionImpl.java:870)
	at net.opentrends.openframe.services.persistence.spring.dao.impl.SpringDAOImpl.refresh(SpringDAOImpl.java:891)
	at net.opentrends.openframe.services.persistence.spring.dao.impl.SpringDAOImpl.refresh(SpringDAOImpl.java:914)
	at net.opentrends.rpuc.model.dao.hibernate.impl.base.BaseExpedientDAO.refresh(BaseExpedientDAO.java:127)
	at net.opentrends.rpuc.model.bo.base.BaseExpedientBO.refresh(BaseExpedientBO.java:71)
	at net.opentrends.rpuc.model.bo.impl.ExpedientBOImpl.refresh(ExpedientBOImpl.java:199)
	at sun.reflect.GeneratedMethodAccessor1272.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:56)
	at java.lang.reflect.Method.invoke(Method.java:620)
	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:292)
	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:163)
	at com.sun.proxy.$Proxy243.refresh(Unknown Source)
	at net.opentrends.rpuc.portal.actions.ExpedientAction.veureDocument(ExpedientAction.java:961)
	at sun.reflect.GeneratedMethodAccessor1317.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:56)
	at java.lang.reflect.Method.invoke(Method.java:620)
	at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:274)
	at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:194)
	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:419)
	at net.opentrends.openframe.services.web.struts.ExtendedDelegatingTilesRequestProcessor.processActionPerform(ExtendedDelegatingTilesRequestProcessor.java:374)
	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)
	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:575)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:668)
	at org.springframework.web.servlet.mvc.ServletWrappingController.handleRequestInternal(ServletWrappingController.java:163)
	at org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:139)
	at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:44)
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:684)
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:625)
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:392)
	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:347)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:575)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:668)
	at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1233)
	at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:782)
	at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:481)
	at com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.handleRequest(ServletWrapperImpl.java:178)
	at com.ibm.ws.webcontainer.filter.WebAppFilterChain.invokeTarget(WebAppFilterChain.java:136)
	at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:79)
	at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:967)
	at com.ibm.ws.webcontainer.filter.WebAppFilterManager.invokeFilters(WebAppFilterManager.java:1107)
	at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDispatcher.java:1404)
	at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java:196)
	at org.tuckey.web.filters.urlrewrite.RewrittenUrl.doRewrite(RewrittenUrl.java:176)
	at net.opentrends.openframe.services.web.filter.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:357)
	at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)
	at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)
	at net.opentrends.openframe.services.web.i18n.JSTLLocaleFilter.doFilter(JSTLLocaleFilter.java:116)
	at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)
	at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)
	at net.opentrends.openframe.services.web.i18n.StrutsLocaleFilter.doFilter(StrutsLocaleFilter.java:70)
	at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)
	at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)
	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:264)
	at net.opentrends.openframe.services.security.filter.RefererRequiredFilter.doFilter(RefererRequiredFilter.java:118)
	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
	at net.opentrends.openframe.services.security.filter.ApplicationClosedFilter.doFilter(ApplicationClosedFilter.java:96)
	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
	at org.acegisecurity.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:107)
	at org.acegisecurity.intercept.web.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:72)
	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
	at org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:110)
	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
	at org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)
	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
	at org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:217)
	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
	at org.acegisecurity.ui.logout.LogoutFilter.doFilter(LogoutFilter.java:108)
	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
	at org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:193)
	at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274)
	at org.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:148)
	at org.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:98)
	at net.opentrends.rpuc.portal.util.MyFilterToBeanProxy.doFilter(MyFilterToBeanProxy.java:47)
	at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)
	at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)
	at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:967)
	at com.ibm.ws.webcontainer.filter.WebAppFilterManager.invokeFilters(WebAppFilterManager.java:1107)
	at com.ibm.ws.webcontainer.servlet.CacheServletWrapper.handleRequest(CacheServletWrapper.java:87)
	at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:949)
	at com.ibm.ws.webcontainer.WSWebContainer.handleRequest(WSWebContainer.java:1817)
	at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:213)
	at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:463)
	at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewRequest(HttpInboundLink.java:530)
	at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.processRequest(HttpInboundLink.java:316)
	at com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLReadCallback.java:88)
	at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:175)
	at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)
	at com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161)
	at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:138)
	at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:204)
	at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:775)
	at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:905)
	at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1892)