Pessoal ta dando o seguinte erro no pom.xml
Failure to transfer org.apache.maven:maven-archiver:pom:2.4.1 from http://repo1.maven.org/maven …
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: java.lang.NoClassDefFoundError: javax/persistence/Persistence
javax.faces.webapp.FacesServlet.service(FacesServlet.java:606)
root cause
javax.faces.el.EvaluationException: java.lang.NoClassDefFoundError: javax/persistence/Persistence
javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:102)
com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
javax.faces.component.UICommand.broadcast(UICommand.java:315)
javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:794)
javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1259)
com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81)
com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:593)
root cause
java.lang.NoClassDefFoundError: javax/persistence/Persistence
br.com.senac.util.JPAUtil.retornarFabrica(JPAUtil.java:14)
br.com.senac.util.JPAUtil.persistirObjeto(JPAUtil.java:20)
br.com.senac.modelo.Modelo.persistir(Modelo.java:37)
br.com.senac.controlador.CadastroModeloControlador.cadastrar(CadastroModeloControlador.java:19)
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:262)
org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:278)
com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105)
javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:88)
com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
javax.faces.component.UICommand.broadcast(UICommand.java:315)
javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:794)
javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1259)
com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81)
com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:593)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.19 logs.
alguem pode me ajudar,