[LazyInitializationException] could not initialize proxy - t
sws42 May 29, 2006 7:46 AMHi all,
I'm getting the above error while trying to show entities with lazy-loaded properties.
I have a SLSB in which I retrieve an Entity from the Database.
The EntityBean is as follow:
public class Walzen implements java.io.Serializable { . . . private Werkstoffe werkstoffe; . . . @ManyToOne(cascade={}, fetch=FetchType.LAZY) @JoinColumn(name="WERKSTOFF", unique=false, nullable=false, insertable=true, updatable=true) public Werkstoffe getWerkstoffe() { return this.werkstoffe; } . . . }
where Werkstoffe is also an EntityBean:
@Entity @Table(name="WERKSTOFFE" , uniqueConstraints = { } ) public class Werkstoffe implements java.io.Serializable { . . . @Column(name="NAME", unique=false, nullable=false, insertable=true, updatable=true) public String getName() { return this.name; } . . . }
In my SessionBean I do a simple "select w from Walzen" in a @Factory-Method.
As I try to show the name-Attribute in the JSP like:
<f:view> <t:dataTable id="walzen" var="walze" value="#{walzenliste}"> <t:column> <h:outputLabel value="#{walze.hydronummer}"> </h:outputLabel> </t:column> <t:column> <h:outputLabel value="#{walze.werkstoffe.name}"> </h:outputLabel> </t:column> </t:dataTable> </f:view>
I get the above Error.
12:27:17,532 ERROR [LazyInitializationException] could not initialize proxy - the owning Session was closed org.hibernate.LazyInitializationException: could not initialize proxy - the owning Session was closed at org.hibernate.proxy.AbstractLazyInitializer.initialize(AbstractLazyInitializer.java:60) at org.hibernate.proxy.AbstractLazyInitializer.getImplementation(AbstractLazyInitializer.java:111) at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:196) at de.hydro.gv.walzen.entities.Werkstoffe_$$_javassist_183.getName(Werkstoffe_$$_javassist_183.java) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.apache.myfaces.el.PropertyResolverImpl.getProperty(PropertyResolverImpl.java:438) at org.apache.myfaces.el.PropertyResolverImpl.getValue(PropertyResolverImpl.java:82) at org.apache.myfaces.el.ELParserHelper$MyPropertySuffix.evaluate(ELParserHelper.java:532) at org.apache.commons.el.ComplexValue.evaluate(ComplexValue.java:145) at org.apache.myfaces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:383) at javax.faces.component.UIOutput.getValue(UIOutput.java:77) at org.apache.myfaces.shared_impl.renderkit.RendererUtils.getStringValue(RendererUtils.java:217) at org.apache.myfaces.renderkit.html.HtmlLabelRenderer.encodeBegin(HtmlLabelRenderer.java:78) at javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:512) at org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChild(RendererUtils.java:433) at org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChildren(RendererUtils.java:419) at org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChild(RendererUtils.java:440) at org.apache.myfaces.renderkit.html.ext.HtmlTableRenderer.renderColumnBody(HtmlTableRenderer.java:286) at org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase.encodeColumnChild(HtmlTableRendererBase.java:181) at org.apache.myfaces.renderkit.html.ext.HtmlTableRenderer.encodeColumnChild(HtmlTableRenderer.java:241) at org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase.encodeInnerHtml(HtmlTableRendererBase.java:167) at org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase.encodeChildren(HtmlTableRendererBase.java:100) at org.apache.myfaces.renderkit.html.ext.HtmlTableRenderer.encodeChildren(HtmlTableRenderer.java:113) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:524) at javax.faces.webapp.UIComponentTag.encodeChildren(UIComponentTag.java:480) at javax.faces.webapp.UIComponentTag.doEndTag(UIComponentTag.java:361) at org.apache.myfaces.shared_tomahawk.taglib.UIComponentBodyTagBase.doEndTag(UIComponentBodyTagBase.java:54) at org.apache.jsp.walzenuebersicht_jsp._jspx_meth_t_dataTable_0(walzenuebersicht_jsp.java:225) at org.apache.jsp.walzenuebersicht_jsp._jspx_meth_f_view_0(walzenuebersicht_jsp.java:166) at org.apache.jsp.walzenuebersicht_jsp._jspService(walzenuebersicht_jsp.java:107) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97) at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:332) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264) at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:463) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:398) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301) at org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:416) at org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:234) at org.jboss.seam.jsf.SeamViewHandler.renderView(SeamViewHandler.java:59) at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:384) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:138) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:144) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) at java.lang.Thread.run(Thread.java:595) 12:27:17,534 ERROR [[jsp]] Servlet.service() for servlet jsp threw exception javax.faces.el.EvaluationException: Cannot get value for expression '#{walze.werkstoffe.name}' at org.apache.myfaces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:402) at javax.faces.component.UIOutput.getValue(UIOutput.java:77) at org.apache.myfaces.shared_impl.renderkit.RendererUtils.getStringValue(RendererUtils.java:217) at org.apache.myfaces.renderkit.html.HtmlLabelRenderer.encodeBegin(HtmlLabelRenderer.java:78) at javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:512) at org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChild(RendererUtils.java:433) at org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChildren(RendererUtils.java:419) at org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChild(RendererUtils.java:440) at org.apache.myfaces.renderkit.html.ext.HtmlTableRenderer.renderColumnBody(HtmlTableRenderer.java:286) at org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase.encodeColumnChild(HtmlTableRendererBase.java:181) at org.apache.myfaces.renderkit.html.ext.HtmlTableRenderer.encodeColumnChild(HtmlTableRenderer.java:241) at org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase.encodeInnerHtml(HtmlTableRendererBase.java:167) at org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase.encodeChildren(HtmlTableRendererBase.java:100) at org.apache.myfaces.renderkit.html.ext.HtmlTableRenderer.encodeChildren(HtmlTableRenderer.java:113) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:524) at javax.faces.webapp.UIComponentTag.encodeChildren(UIComponentTag.java:480) at javax.faces.webapp.UIComponentTag.doEndTag(UIComponentTag.java:361) at org.apache.myfaces.shared_tomahawk.taglib.UIComponentBodyTagBase.doEndTag(UIComponentBodyTagBase.java:54) at org.apache.jsp.walzenuebersicht_jsp._jspx_meth_t_dataTable_0(walzenuebersicht_jsp.java:225) at org.apache.jsp.walzenuebersicht_jsp._jspx_meth_f_view_0(walzenuebersicht_jsp.java:166) at org.apache.jsp.walzenuebersicht_jsp._jspService(walzenuebersicht_jsp.java:107) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97) at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:332) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264) at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:463) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:398) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301) at org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:416) at org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:234) at org.jboss.seam.jsf.SeamViewHandler.renderView(SeamViewHandler.java:59) at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:384) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:138) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:144) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) at java.lang.Thread.run(Thread.java:595) Caused by: javax.faces.el.EvaluationException: Exception getting value of property name of base of type : de.hydro.gv.walzen.entities.Werkstoffe_$$_javassist_183 at org.apache.myfaces.el.PropertyResolverImpl.getValue(PropertyResolverImpl.java:96) at org.apache.myfaces.el.ELParserHelper$MyPropertySuffix.evaluate(ELParserHelper.java:532) at org.apache.commons.el.ComplexValue.evaluate(ComplexValue.java:145) at org.apache.myfaces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:383) ... 58 more Caused by: javax.faces.el.EvaluationException: Bean: de.hydro.gv.walzen.entities.Werkstoffe_$$_javassist_183, property: name at org.apache.myfaces.el.PropertyResolverImpl.getProperty(PropertyResolverImpl.java:442) at org.apache.myfaces.el.PropertyResolverImpl.getValue(PropertyResolverImpl.java:82) ... 61 more Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.apache.myfaces.el.PropertyResolverImpl.getProperty(PropertyResolverImpl.java:438) ... 62 more Caused by: org.hibernate.LazyInitializationException: could not initialize proxy - the owning Session was closed at org.hibernate.proxy.AbstractLazyInitializer.initialize(AbstractLazyInitializer.java:60) at org.hibernate.proxy.AbstractLazyInitializer.getImplementation(AbstractLazyInitializer.java:111) at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:196) at de.hydro.gv.walzen.entities.Werkstoffe_$$_javassist_183.getName(Werkstoffe_$$_javassist_183.java) ... 67 more 12:27:17,540 ERROR [[Faces Servlet]] Servlet.service() for servlet Faces Servlet threw exception javax.faces.FacesException: Cannot get value for expression '#{walze.werkstoffe.name}' at org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:435) at org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:234) at org.jboss.seam.jsf.SeamViewHandler.renderView(SeamViewHandler.java:59) at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:384) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:138) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:144) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) at java.lang.Thread.run(Thread.java:595) Caused by: javax.faces.el.EvaluationException: Cannot get value for expression '#{walze.werkstoffe.name}' at org.apache.myfaces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:402) at javax.faces.component.UIOutput.getValue(UIOutput.java:77) at org.apache.myfaces.shared_impl.renderkit.RendererUtils.getStringValue(RendererUtils.java:217) at org.apache.myfaces.renderkit.html.HtmlLabelRenderer.encodeBegin(HtmlLabelRenderer.java:78) at javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:512) at org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChild(RendererUtils.java:433) at org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChildren(RendererUtils.java:419) at org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils.renderChild(RendererUtils.java:440) at org.apache.myfaces.renderkit.html.ext.HtmlTableRenderer.renderColumnBody(HtmlTableRenderer.java:286) at org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase.encodeColumnChild(HtmlTableRendererBase.java:181) at org.apache.myfaces.renderkit.html.ext.HtmlTableRenderer.encodeColumnChild(HtmlTableRenderer.java:241) at org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase.encodeInnerHtml(HtmlTableRendererBase.java:167) at org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTableRendererBase.encodeChildren(HtmlTableRendererBase.java:100) at org.apache.myfaces.renderkit.html.ext.HtmlTableRenderer.encodeChildren(HtmlTableRenderer.java:113) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:524) at javax.faces.webapp.UIComponentTag.encodeChildren(UIComponentTag.java:480) at javax.faces.webapp.UIComponentTag.doEndTag(UIComponentTag.java:361) at org.apache.myfaces.shared_tomahawk.taglib.UIComponentBodyTagBase.doEndTag(UIComponentBodyTagBase.java:54) at org.apache.jsp.walzenuebersicht_jsp._jspx_meth_t_dataTable_0(walzenuebersicht_jsp.java:225) at org.apache.jsp.walzenuebersicht_jsp._jspx_meth_f_view_0(walzenuebersicht_jsp.java:166) at org.apache.jsp.walzenuebersicht_jsp._jspService(walzenuebersicht_jsp.java:107) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97) at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:332) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264) at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672) at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:463) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:398) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301) at org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:416) ... 25 more Caused by: javax.faces.el.EvaluationException: Exception getting value of property name of base of type : de.hydro.gv.walzen.entities.Werkstoffe_$$_javassist_183 at org.apache.myfaces.el.PropertyResolverImpl.getValue(PropertyResolverImpl.java:96) at org.apache.myfaces.el.ELParserHelper$MyPropertySuffix.evaluate(ELParserHelper.java:532) at org.apache.commons.el.ComplexValue.evaluate(ComplexValue.java:145) at org.apache.myfaces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:383) ... 58 more Caused by: javax.faces.el.EvaluationException: Bean: de.hydro.gv.walzen.entities.Werkstoffe_$$_javassist_183, property: name at org.apache.myfaces.el.PropertyResolverImpl.getProperty(PropertyResolverImpl.java:442) at org.apache.myfaces.el.PropertyResolverImpl.getValue(PropertyResolverImpl.java:82) ... 61 more Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.apache.myfaces.el.PropertyResolverImpl.getProperty(PropertyResolverImpl.java:438) ... 62 more Caused by: org.hibernate.LazyInitializationException: could not initialize proxy - the owning Session was closed at org.hibernate.proxy.AbstractLazyInitializer.initialize(AbstractLazyInitializer.java:60) at org.hibernate.proxy.AbstractLazyInitializer.getImplementation(AbstractLazyInitializer.java:111) at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:196) at de.hydro.gv.walzen.entities.Werkstoffe_$$_javassist_183.getName(Werkstoffe_$$_javassist_183.java) ... 67 more
Where am I wrong? Do I have to set the fetchtype to EAGER? But for what is LAZY then? Shouldn't Seam/JSF know when to load the Data from the Werkstoffe-Table?
Thanks for any help!
Stefan