org.jboss.seam.InstantiationException: Could not instantiate

[vishalgandhi]

I am Using JBOSS Developer studio, Seam 2.x , JBOSS 4.2.x. When i try to access register.register method of session bean i get following exception. This is Registration example come with JBOSS Dev Studio.



15:00:11,171 WARN [lifecycle] Could not instantiate Seam component: register
org.jboss.seam.InstantiationException: Could not instantiate Seam component: register
at org.jboss.seam.Component.newInstance(Component.java:1740)
at org.jboss.seam.Component.getInstance(Component.java:1643)
at org.jboss.seam.Component.getInstance(Component.java:1610)
at org.jboss.seam.Component.getInstance(Component.java:1604)
at org.jboss.seam.jsf.SeamELResolver.getValue(SeamELResolver.java:49)
at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:53)
at com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:64)
at com.sun.el.parser.AstIdentifier.getValue(AstIdentifier.java:73)
at com.sun.el.parser.AstValue.getTarget(AstValue.java:67)
at com.sun.el.parser.AstValue.invoke(AstValue.java:170)
at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:286)
at com.sun.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:68)
at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:77)
at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:91)
at javax.faces.component.UICommand.broadcast(UICommand.java:383)
at org.ajax4jsf.framework.ajax.AjaxViewRoot.processEvents(AjaxViewRoot.java:180)
at org.ajax4jsf.framework.ajax.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:158)
at org.ajax4jsf.framework.ajax.AjaxViewRoot.processApplication(AjaxViewRoot.java:346)
at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:97)
at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:117)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:244)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:63)
at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:60)
at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:57)
at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)


how can i access session bean/interface in JSP ?