la variable connectedUser existe dans le ManagedBeanT.java, et quand j'éxecute mon programme il me dit qu'il arrive pas à lire la variable, alors qu'elle existe.

Je sais pas quoi faire pour résoudre ce problème.

Merci d'avance

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javax.servlet.ServletException: /fromTeradata.xhtml @11,70 value="Welcome #{ManagedBeanT.connectedUser}": Error reading 'connectedUser' on type com.test.ManagedBeanT
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:256)
	org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:147)
	org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:276)
	org.ajax4jsf.Filter.doFilter(Filter.java:175)
 
 
cause mère 
 
javax.el.ELException: /fromTeradata.xhtml @11,70 value="Welcome #{ManagedBeanT.connectedUser}": Error reading 'connectedUser' on type com.test.ManagedBeanT
	com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:76)
	javax.faces.component.UIOutput.getValue(UIOutput.java:173)
	com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getValue(HtmlBasicInputRenderer.java:189)
	com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.getCurrentValue(HtmlBasicRenderer.java:320)
	com.sun.faces.renderkit.html_basic.LabelRenderer.encodeBegin(LabelRenderer.java:123)
	javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:785)
	javax.faces.component.UIComponent.encodeAll(UIComponent.java:884)
	javax.faces.component.UIComponent.encodeAll(UIComponent.java:892)
	com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:577)
	org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108)
	org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:189)
	com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106)
	com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
	com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144)
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:245)
	org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:147)
	org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:276)
	org.ajax4jsf.Filter.doFilter(Filter.java:175)
 
 
cause mère 
 
java.lang.Exception: Driver-Not-Exist-004
	com.test.ManagedBeanT.getConnection(ManagedBeanT.java:121)
	com.test.ManagedBeanT.getConnectedUser(ManagedBeanT.java:79)
	sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	java.lang.reflect.Method.invoke(Method.java:597)
	javax.el.BeanELResolver.getValue(BeanELResolver.java:83)
	javax.el.CompositeELResolver.getValue(CompositeELResolver.java:54)
	com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:64)
	org.apache.el.parser.AstValue.getValue(AstValue.java:123)
	org.apache.el.parser.AstDeferredExpression.getValue(AstDeferredExpression.java:42)
	org.apache.el.parser.AstCompositeExpression.getValue(AstCompositeExpression.java:48)
	org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186)
	com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:71)
	javax.faces.component.UIOutput.getValue(UIOutput.java:173)
	com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getValue(HtmlBasicInputRenderer.java:189)
	com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.getCurrentValue(HtmlBasicRenderer.java:320)
	com.sun.faces.renderkit.html_basic.LabelRenderer.encodeBegin(LabelRenderer.java:123)
	javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:785)
	javax.faces.component.UIComponent.encodeAll(UIComponent.java:884)
	javax.faces.component.UIComponent.encodeAll(UIComponent.java:892)
	com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:577)
	org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:108)
	org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:189)
	com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106)
	com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
	com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144)
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:245)
	org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:147)
	org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:276)
	org.ajax4jsf.Filter.doFilter(Filter.java:175)