Hi
Thank you for reading my post
I played a bit with registration sample and now i get an error when i press register button in REGISTER.jsp page
I dont know where i changed in the code , can some one please take a look at exception trace and tell me what is wrong , where i should lok for my mistake ?
I checked every part and i cant figure it out.

Thanks

Target Unreachable, identifier 'user' resolved to null
javax.el.PropertyNotFoundException: Target Unreachable, identifier 'user' resolved to null
 at com.sun.el.parser.AstValue.getTarget(AstValue.java:67)
 at com.sun.el.parser.AstValue.getType(AstValue.java:56)
 at com.sun.el.ValueExpressionImpl.getType(ValueExpressionImpl.java:180)
 at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getConvertedValue(HtmlBasicInputRenderer.java:129)
 at javax.faces.component.UIInput.getConvertedValue(UIInput.java:936)
 at javax.faces.component.UIInput.validate(UIInput.java:861)
 at javax.faces.component.UIInput.executeValidate(UIInput.java:1071)
 at javax.faces.component.UIInput.processValidators(UIInput.java:663)
 at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1040)
 at javax.faces.component.UIForm.processValidators(UIForm.java:229)
 at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1040)
 at javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:691)
 at com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:100)
 at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:244)
 at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:113)
 at javax.faces.webapp.FacesServlet.service(FacesServlet.java:244)
 at org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:397)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:278)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:586)
 at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:556)
 at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:246)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:185)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:586)
 at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:73)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:182)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:586)
 at com.sun.enterprise.web.VirtualServerPipeline.invoke(VirtualServerPipeline.java:120)
 at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:137)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:586)
 at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:556)
 at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939)
 at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:231)
 at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:619)
 at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.processNonBlocked(DefaultProcessorTask.java:550)
 at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process(DefaultProcessorTask.java:780)
 at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask(DefaultReadTask.java:326)
 at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:251)
 at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:205)
 at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:252)
 at com.sun.enterprise.web.connector.grizzly.WorkerThreadImpl.run(WorkerThreadImpl.java:103)
|#]
executePhase(PROCESS_VALIDATIONS 3,com.sun.faces.context.FacesContextImpl@17b5f28) threw exception
javax.faces.FacesException: Target Unreachable, identifier 'user' resolved to null
 at com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:108)
 at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:244)
 at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:113)
 at javax.faces.webapp.FacesServlet.service(FacesServlet.java:244)
 at org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:397)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:278)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:586)
 at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:556)
 at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:246)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:185)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:586)
 at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:73)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:182)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:586)
 at com.sun.enterprise.web.VirtualServerPipeline.invoke(VirtualServerPipeline.java:120)
 at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:137)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:586)
 at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:556)
 at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939)
 at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:231)
 at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:619)
 at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.processNonBlocked(DefaultProcessorTask.java:550)
 at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process(DefaultProcessorTask.java:780)
 at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask(DefaultReadTask.java:326)
 at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:251)
 at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:205)
 at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:252)
 at com.sun.enterprise.web.connector.grizzly.WorkerThreadImpl.run(WorkerThreadImpl.java:103)
Caused by: javax.el.PropertyNotFoundException: Target Unreachable, identifier 'user' resolved to null
 at com.sun.el.parser.AstValue.getTarget(AstValue.java:67)
 at com.sun.el.parser.AstValue.getType(AstValue.java:56)
 at com.sun.el.ValueExpressionImpl.getType(ValueExpressionImpl.java:180)
 at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getConvertedValue(HtmlBasicInputRenderer.java:129)
 at javax.faces.component.UIInput.getConvertedValue(UIInput.java:936)
 at javax.faces.component.UIInput.validate(UIInput.java:861)
 at javax.faces.component.UIInput.executeValidate(UIInput.java:1071)
 at javax.faces.component.UIInput.processValidators(UIInput.java:663)
 at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1040)
 at javax.faces.component.UIForm.processValidators(UIForm.java:229)
 at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1040)
 at javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:691)
 at com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:100)
 ... 28 more
|#]
StandardWrapperValve[Faces Servlet]: PWC1406: Servlet.service() for servlet Faces Servlet threw exception
javax.el.PropertyNotFoundException: Target Unreachable, identifier 'user' resolved to null
 at com.sun.el.parser.AstValue.getTarget(AstValue.java:67)
 at com.sun.el.parser.AstValue.getType(AstValue.java:56)
 at com.sun.el.ValueExpressionImpl.getType(ValueExpressionImpl.java:180)
 at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getConvertedValue(HtmlBasicInputRenderer.java:129)
 at javax.faces.component.UIInput.getConvertedValue(UIInput.java:936)
 at javax.faces.component.UIInput.validate(UIInput.java:861)
 at javax.faces.component.UIInput.executeValidate(UIInput.java:1071)
 at javax.faces.component.UIInput.processValidators(UIInput.java:663)
 at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1040)
 at javax.faces.component.UIForm.processValidators(UIForm.java:229)
 at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1040)
 at javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:691)
 at com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:100)
 at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:244)
 at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:113)
 at javax.faces.webapp.FacesServlet.service(FacesServlet.java:244)
 at org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:397)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:278)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:586)
 at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:556)
 at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:246)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:185)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:586)
 at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:73)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:182)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:586)
 at com.sun.enterprise.web.VirtualServerPipeline.invoke(VirtualServerPipeline.java:120)
 at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:137)
 at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:586)
 at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:556)
 at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939)
 at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:231)
 at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:619)
 at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.processNonBlocked(DefaultProcessorTask.java:550)
 at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process(DefaultProcessorTask.java:780)
 at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask(DefaultReadTask.java:326)
 at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:251)
 at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:205)
 at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:252)
 at com.sun.enterprise.web.connector.grizzly.WorkerThreadImpl.run(WorkerThreadImpl.java:103)
|#]