javax.enterprise.context.RequestScoped不存在

开发环境：Netbeans 8.0.2、JavaEE7、GlassFish 4.1 创建一个简单的java类bean

    package com.introjsf;

import javax.enterprise.context.RequestScoped;
import javax.inject.Inject;
import javax.inject.Named;

/**
 *
 * @author xiarnousx
 */
@Named
@RequestScoped
public class CustomerCDI {

    private String firstName;
    private String lastName;

    @Inject
    private AddressCDI address;

    public String getFirstName() {
        return firstName;
    }

    public void setFirstName(String firstName) {
        this.firstName = firstName;
    }

    public String getLastName() {
        return lastName;
    }

    public void setLastName(String lastName) {
        this.lastName = lastName;
    }

}

输出

Caused by: java.lang.RuntimeException: Uncompilable source code - javax.enterprise.context.RequestScoped is not an annotation type
    at com.introjsf.CustomerCDI.<clinit>(CustomerCDI.java:17)

原因：java.lang.RuntimeException:不可编译源代码-javax.enterprise.context.RequestScope不是注释类型
在com.introjsf.CustomerCDI.（CustomerCDI.java:17）

我做了这个答案所暗示的 但是没有运气！如果您有任何建议，我们将不胜感激。谢谢

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