Jakarta ee Glassfish应用程序未使用entityManager注入服务类

我有一个用Maven构建的应用程序，它具有以下模块结构

<modules>
        <module>ProjectMonkeybutler-ear</module>
        <module>ProjectMonkeybutler-ejb</module>
        <module>ProjectMonkeybutler-web</module>
        <module>ProjectMonkeybutler-persistence</module>
 </modules>

web项目中的我的控制器类：

package com.skb.monkeybutler.web;

import java.io.Serializable;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.enterprise.context.SessionScoped;
import javax.inject.Inject;
import javax.inject.Named;

@SessionScoped
@Named
public class CompanyRegistrationController implements Serializable {


    @Inject
    private @Named("BoothService") BoothService bs;

        public CompanyRegistrationController() {
            if(bs == null){ LOGGER.info("BoothService is null"); } 
    }
}

我的持久性xml：

<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.1" xmlns="http://xmlns.jcp.org/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd">
  <persistence-unit name="com.skb_ProjectMonkeybutler-persistence_ejb_1.0-SNAPSHOTPU" transaction-type="JTA">
    <provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
    <jta-data-source>jdbc/jeedb</jta-data-source>
    <class>com.skb.monkeybutler.persistence.entity.Companydata</class>
    <class>com.skb.monkeybutler.persistence.entity.CompanyEquipment</class>
    <class>com.skb.monkeybutler.persistence.entity.Studycourse</class>
    <class>com.skb.monkeybutler.persistence.entity.Booth</class>
    <class>com.skb.monkeybutler.persistence.entity.Setuptimeslot</class>
    <class>com.skb.monkeybutler.persistence.entity.Company</class>
    <class>com.skb.monkeybutler.persistence.entity.Volunteer</class>
    <class>com.skb.monkeybutler.persistence.entity.Servicepackage</class>
    <class>com.skb.monkeybutler.persistence.entity.Billingaddress</class>
    <class>com.skb.monkeybutler.persistence.entity.Equipment</class>
    <class>com.skb.monkeybutler.persistence.entity.Faculty</class>
    <class>com.skb.monkeybutler.persistence.entity.Team</class>
    <class>com.skb.monkeybutler.persistence.entity.Vacancy</class>
    <exclude-unlisted-classes>false</exclude-unlisted-classes>
    <properties>
      <property name="javax.persistence.schema-generation.database.action" value="none"/>
      <property name="eclipselink.ddl-generation" value="none"/>
      <property name="eclipselink.logging.level" value="FINE"/>
      <property name="eclipselink.ddl-generation.output-mode" value="both"/>
      <!--  turn on fine logging: -->
      <property name="eclipselink.logging.level.sql" value="FINE"/>
      <property name="eclipselink.logging.parameters" value="true"/>
      <property name="eclipselink.logging.exceptions" value="true"/>
    </properties>
  </persistence-unit>
</persistence>

---

使用BoothService类创建接口。CDI将只从EJB注入接口BoothService是EJB

注入的字段在构造函数中为空。它们在对象创建后被注入。使用@PostConstruct注释和测试注入字段定义方法。 您还可以尝试使用@EJB注释注入BoothService

<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.1" xmlns="http://xmlns.jcp.org/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd">
  <persistence-unit name="com.skb_ProjectMonkeybutler-persistence_ejb_1.0-SNAPSHOTPU" transaction-type="JTA">
    <provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
    <jta-data-source>jdbc/jeedb</jta-data-source>
    <class>com.skb.monkeybutler.persistence.entity.Companydata</class>
    <class>com.skb.monkeybutler.persistence.entity.CompanyEquipment</class>
    <class>com.skb.monkeybutler.persistence.entity.Studycourse</class>
    <class>com.skb.monkeybutler.persistence.entity.Booth</class>
    <class>com.skb.monkeybutler.persistence.entity.Setuptimeslot</class>
    <class>com.skb.monkeybutler.persistence.entity.Company</class>
    <class>com.skb.monkeybutler.persistence.entity.Volunteer</class>
    <class>com.skb.monkeybutler.persistence.entity.Servicepackage</class>
    <class>com.skb.monkeybutler.persistence.entity.Billingaddress</class>
    <class>com.skb.monkeybutler.persistence.entity.Equipment</class>
    <class>com.skb.monkeybutler.persistence.entity.Faculty</class>
    <class>com.skb.monkeybutler.persistence.entity.Team</class>
    <class>com.skb.monkeybutler.persistence.entity.Vacancy</class>
    <exclude-unlisted-classes>false</exclude-unlisted-classes>
    <properties>
      <property name="javax.persistence.schema-generation.database.action" value="none"/>
      <property name="eclipselink.ddl-generation" value="none"/>
      <property name="eclipselink.logging.level" value="FINE"/>
      <property name="eclipselink.ddl-generation.output-mode" value="both"/>
      <!--  turn on fine logging: -->
      <property name="eclipselink.logging.level.sql" value="FINE"/>
      <property name="eclipselink.logging.parameters" value="true"/>
      <property name="eclipselink.logging.exceptions" value="true"/>
    </properties>
  </persistence-unit>
</persistence>