Eclipse Europa + JSF error

Front-end
#1

Galera
Eu to usando o Europa pra programar em JSF.
to usando o Jboos vga como server…
è uma aplicação simples, so um cadastro de um nome no banco MySQL…
ja coloquei o jar do MySQl no programa… quando eu executo o server…
ele abre normalmente a pagina, quando eu cliko no botão Incluir… aparece esse erro:

type Exception report

message 

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

exception 

javax.servlet.ServletException: #{jSF_III.incluir}: java.lang.NullPointerException
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:256)
	org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)


root cause 

javax.faces.FacesException: #{jSF_III.incluir}: java.lang.NullPointerException
	com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:107)
	javax.faces.component.UICommand.broadcast(UICommand.java:383)
	javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:447)
	javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:752)
	com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:97)
	com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
	com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:117)
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:244)
	org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)


root cause 

javax.faces.el.EvaluationException: java.lang.NullPointerException
	javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:91)
	com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:91)
	javax.faces.component.UICommand.broadcast(UICommand.java:383)
	javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:447)
	javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:752)
	com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:97)
	com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
	com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:117)
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:244)
	org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)


root cause 

java.lang.NullPointerException
	br.com.JSF_III.incluir(JSF_III.java:48)
	sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	java.lang.reflect.Method.invoke(Unknown Source)
	org.apache.el.parser.AstValue.invoke(AstValue.java:131)
	org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276)
	org.apache.jasper.el.JspMethodExpression.invoke(JspMethodExpression.java:68)
	javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:77)
	com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:91)
	javax.faces.component.UICommand.broadcast(UICommand.java:383)
	javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:447)
	javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:752)
	com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:97)
	com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
	com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:117)
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:244)
	org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)


note The full stack trace of the root cause is available in the JBossWeb/2.0.0.GA logs.

As Classes e o Config está tudo ok…
eu ja testei o mesmo projeto usando o tomcat sem o eclipse Europa, e deu tudo certo… incluiu o nome normalmente no banco…
mas usando o europa e o jboos vga como serve da esse erro… Alguem sabe oq é? tem alguma configuração pra programar usando bd no europa?

#2