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Hibernate: Error getting property 'lastItem'

 
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Hi guys! I'm so new to hibernate and I think I just incremented my iGotStuck counter. I'm following a tutorial made by netbeans themselves

http://www.netbeans.org/kb/articles/hibernate-javaee.html

and I think it's a little hard to follow for beginners. I was able to get to the last part, except when I already try to run the app I get this error which left me totally clueless.


HTTP Status 500 -

--------------------------------------------------------------------------------

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException: javax.servlet.jsp.JspException: Error getting property 'lastItem' from bean of type hibernatesample.db.CustomerController: java.lang.NoClassDefFoundError: javax/transaction/SystemException
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:510)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:368)
com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:322)
com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:130)
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:87)
com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200)
com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:117)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:198)
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:368)


root cause

javax.servlet.ServletException: javax.servlet.jsp.JspException: Error getting property 'lastItem' from bean of type hibernatesample.db.CustomerController: java.lang.NoClassDefFoundError: javax/transaction/SystemException
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:854)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:791)
org.apache.jsp.hibernatesample_controller.customer.List_jsp._jspService(List_jsp.java:103)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:332)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:368)
com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:322)
com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:130)
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:87)
com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200)
com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:117)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:198)
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:368)


root cause

javax.faces.el.EvaluationException: Error getting property 'lastItem' from bean of type hibernatesample.db.CustomerController: java.lang.NoClassDefFoundError: javax/transaction/SystemException
com.sun.faces.el.PropertyResolverImpl.getValue(PropertyResolverImpl.java:89)
com.sun.faces.el.impl.ArraySuffix.evaluate(ArraySuffix.java:167)
com.sun.faces.el.impl.ComplexValue.evaluate(ComplexValue.java:151)
com.sun.faces.el.MixedELValueBinding.getValue(MixedELValueBinding.java:80)
javax.faces.component.UIOutput.getValue(UIOutput.java:147)
com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getValue(HtmlBasicInputRenderer.java:82)
com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.getCurrentValue(HtmlBasicRenderer.java:191)
com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeEnd(HtmlBasicRenderer.java:169)
javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:720)
javax.faces.webapp.UIComponentTag.encodeEnd(UIComponentTag.java:623)
javax.faces.webapp.UIComponentTag.doEndTag(UIComponentTag.java:546)
com.sun.faces.taglib.html_basic.OutputTextTag.doEndTag(OutputTextTag.java:173)
org.apache.jsp.hibernatesample_controller.customer.List_jsp._jspx_meth_h_outputText_0(List_jsp.java:250)
org.apache.jsp.hibernatesample_controller.customer.List_jsp._jspx_meth_h_form_0(List_jsp.java:192)
org.apache.jsp.hibernatesample_controller.customer.List_jsp._jspx_meth_f_view_0(List_jsp.java:133)
org.apache.jsp.hibernatesample_controller.customer.List_jsp._jspService(List_jsp.java:93)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:332)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:368)
com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:322)
com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:130)
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:87)
com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200)
com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:117)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:198)
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:368)


note The full stack trace of the root cause is available in the Apache Tomcat/5.5.17 logs.


Does anyone here know what this means? Please help... Thanks!
 
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A "NoClassDefFoundError" typically means that a jar is missing in the classpath, in this case the one that contains, for your server, the javax.transaction.SystemException class.
 
Timothy Sam
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Thanks! Is anyone aware in which jar file this class belongs to? Thanks!
 
Timothy Sam
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Hi guys! I think I solved the previous problem. I'm getting a different error message right now... What could be the problem here? Thanks!

HTTP Status 500 -

--------------------------------------------------------------------------------

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException: javax.servlet.jsp.JspException: Error getting property 'lastItem' from bean of type hibernatesample.db.CustomerController: java.lang.IllegalArgumentException: org.hibernate.hql.ast.QuerySyntaxException: Customer is not mapped [select count(o) from Customer as o]
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:510)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:368)
com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:322)
com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:130)
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:87)
com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200)
com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:117)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:198)
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:368)


root cause

javax.servlet.ServletException: javax.servlet.jsp.JspException: Error getting property 'lastItem' from bean of type hibernatesample.db.CustomerController: java.lang.IllegalArgumentException: org.hibernate.hql.ast.QuerySyntaxException: Customer is not mapped [select count(o) from Customer as o]
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:854)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:791)
org.apache.jsp.hibernatesample_controller.customer.List_jsp._jspService(List_jsp.java:103)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:332)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:368)
com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:322)
com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:130)
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:87)
com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200)
com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:117)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:198)
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:368)


root cause

javax.faces.el.EvaluationException: Error getting property 'lastItem' from bean of type hibernatesample.db.CustomerController: java.lang.IllegalArgumentException: org.hibernate.hql.ast.QuerySyntaxException: Customer is not mapped [select count(o) from Customer as o]
com.sun.faces.el.PropertyResolverImpl.getValue(PropertyResolverImpl.java:89)
com.sun.faces.el.impl.ArraySuffix.evaluate(ArraySuffix.java:167)
com.sun.faces.el.impl.ComplexValue.evaluate(ComplexValue.java:151)
com.sun.faces.el.MixedELValueBinding.getValue(MixedELValueBinding.java:80)
javax.faces.component.UIOutput.getValue(UIOutput.java:147)
com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getValue(HtmlBasicInputRenderer.java:82)
com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.getCurrentValue(HtmlBasicRenderer.java:191)
com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeEnd(HtmlBasicRenderer.java:169)
javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:720)
javax.faces.webapp.UIComponentTag.encodeEnd(UIComponentTag.java:623)
javax.faces.webapp.UIComponentTag.doEndTag(UIComponentTag.java:546)
com.sun.faces.taglib.html_basic.OutputTextTag.doEndTag(OutputTextTag.java:173)
org.apache.jsp.hibernatesample_controller.customer.List_jsp._jspx_meth_h_outputText_0(List_jsp.java:250)
org.apache.jsp.hibernatesample_controller.customer.List_jsp._jspx_meth_h_form_0(List_jsp.java:192)
org.apache.jsp.hibernatesample_controller.customer.List_jsp._jspx_meth_f_view_0(List_jsp.java:133)
org.apache.jsp.hibernatesample_controller.customer.List_jsp._jspService(List_jsp.java:93)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:332)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:368)
com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:322)
com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:130)
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:87)
com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200)
com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:117)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:198)
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:368)


note The full stack trace of the root cause is available in the Apache Tomcat/5.5.17 logs.


--------------------------------------------------------------------------------

Apache Tomcat/5.5.17

 
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Well that last error looks like it is trying to run an HQL query where the from clause is for the Customer class, but the Customer class isn't mapped at all.

Mark
 
Timothy Sam
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Hmmm... The Netbeans tutorial only mentioned about persistence.xml but no hibernate mapping at all. Am I missing something about this xml file? Thanks!


persistence.xml

 
Mark Spritzler
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Does customer have Annotations on it for the mapping? For JPA and Hibernate you can either map using xml or using Annotations. But there needs to be one of them for the class to be mapped. the persistence.xml is what defines your configuration, and lists your mapped classes, but you need to acutally map your classes.

Mark
 
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