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如何在Tomcat上安装和使用CDI？

我正在创建我的第一个项目Java EE 7,但我遇到了麻烦.感谢任何帮助.

Tomcat 7.0.34
JSF 2.2
Primefaces 3.5
JavaEE的-API-7.0.jar

应用程序启动时,Tomcat日志显示以下消息:

"validateJarFile (C:\...\build\web\WEB-INF\lib\javaee-api-7.0.jar)-jar not loaded. See Servlet 2.3 Spec, section 9.7.2. Offending class: javax/servlet/Servlet .class"

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当我点击调用托管bean的按钮时,我收到错误:

Advertência: /index.xhtml @18,66 value="#{indexMB.user}": Target Unreachable, identifier 'indexMB' resolved to null
javax.el.PropertyNotFoundException: /index.xhtml @18,66 value="#{indexMB.user}": Target Unreachable, identifier 'indexMB' resolved to null

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IndexMB

@Named("indexMB")
@RequestScoped
public class IndexMB {

private String password;
private String user;

public String loginTest(){
    return (this.user.equals("admin") ? "adminPage" : "inOutPage");
}

// getters and setters
}

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的index.xhtml