Java 没有名为itmd4515PU的EntityManager的持久性提供程序_Java_Xml_Maven_Jpa

Java 没有名为itmd4515PU的EntityManager的持久性提供程序

java xml maven jpa

Java 没有名为itmd4515PU的EntityManager的持久性提供程序,java,xml,maven,jpa,Java,Xml,Maven,Jpa,我是JPA的新手。我不断地发现这个错误： No Persistence provider for EntityManager named 我尝试了其他帖子的一些建议。喜欢加 <provider>org.hibernate.ejb.HibernatePersistence</provider> org.hibernate.ejb.HibernatePersistence 在Persistence.xml中。加 <dependency>

我是JPA的新手。我不断地发现这个错误：

No Persistence provider for EntityManager named

我尝试了其他帖子的一些建议。喜欢加

    <provider>org.hibernate.ejb.HibernatePersistence</provider>

org.hibernate.ejb.HibernatePersistence

在Persistence.xml中。加

    <dependency>
        <groupId>org.hibernate.javax.persistence</groupId>
        <artifactId>hibernate-jpa-2.0-api</artifactId>
        <version>1.0.0.Final</version>
    </dependency>


org.hibernate.javax.persistence

下面是我的持久性单元：
<?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="itmd4515PU" transaction-type="JTA">
    <provider>org.hibernate.HibernatePersistence</provider>
    <jta-data-source>jdbc/itmd4515DS</jta-data-source>
    <class>edu.iit.sat.itmd4515.jwang206.domain.Address</class>
    <class>edu.iit.sat.itmd4515.jwang206.domain.CD_Store</class>
    <class>edu.iit.sat.itmd4515.jwang206.domain.Item</class>
    <class>edu.iit.sat.itmd4515.jwang206.domain.Supplier</class>
    <exclude-unlisted-classes>true</exclude-unlisted-classes>
    <properties>
       <property name="javax.persistence.schema-generation.database.action"     value="drop-and-create"/>
    </properties>
  </persistence-unit>
</persistence>


org.hibernate.HibernatePersistence
jdbc/itmd4515DS
edu.iit.sat.itmd4515.jwang206.domain.Address
edu.iit.sat.itmd4515.jwang206.domain.CD_商店
edu.iit.sat.itmd4515.jwang206.domain.Item
edu.iit.sat.itmd4515.jwang206.domain.Supplier
真的

和Pom.xml：
<?xml version="1.0" encoding="UTF-8"?><project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>

<groupId>edu.iit.sat.itmd4515.jwang206</groupId>
<artifactId>jwang206-fp</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging>

<name>jwang206-fp</name>

<properties>
    <endorsed.dir>${project.build.directory}/endorsed</endorsed.dir>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>

<dependencies>
    <dependency>
        <groupId>junit</groupId>
        <artifactId>junit</artifactId>
        <version>4.12</version>

    </dependency>
    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <version>6.0.5</version>

    </dependency>
    <dependency>
        <groupId>org.eclipse.persistence</groupId>
        <artifactId>eclipselink</artifactId>
        <version>2.5.2</version>
        <scope>provided</scope>
    </dependency>
    <dependency>
        <groupId>org.hibernate</groupId>
        <artifactId>hibernate-validator</artifactId>
        <version>5.4.0.CR1</version>

    </dependency>
    <dependency>
        <groupId>org.glassfish.web</groupId>
        <artifactId>javax.el</artifactId>
        <version>2.2.6</version>

    </dependency>
    <dependency>
        <groupId>org.eclipse.persistence</groupId>
        <artifactId>org.eclipse.persistence.jpa.modelgen.processor</artifactId>
        <version>2.5.2</version>
        <scope>provided</scope>
    </dependency>

    <dependency>
        <groupId>org.hibernate.javax.persistence</groupId>
        <artifactId>hibernate-jpa-2.0-api</artifactId>
        <version>1.0.1.Final</version>
    </dependency>
    <dependency>
        <groupId>javax</groupId>
        <artifactId>javaee-web-api</artifactId>
        <version>7.0</version>
        <scope>provided</scope>
    </dependency>





</dependencies>

<build>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>3.1</version>
            <configuration>
                <source>1.7</source>
                <target>1.7</target>
                <compilerArguments>
                    <endorseddirs>${endorsed.dir}</endorseddirs>
                </compilerArguments>
            </configuration>
        </plugin>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-war-plugin</artifactId>
            <version>2.3</version>
            <configuration>
                <failOnMissingWebXml>false</failOnMissingWebXml>
            </configuration>
        </plugin>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-dependency-plugin</artifactId>
            <version>2.6</version>
            <executions>
                <execution>
                    <phase>validate</phase>
                    <goals>
                        <goal>copy</goal>
                    </goals>
                    <configuration>
                        <outputDirectory>${endorsed.dir}</outputDirectory>
                        <silent>true</silent>
                        <artifactItems>
                            <artifactItem>
                                <groupId>javax</groupId>
                                <artifactId>javaee-endorsed-api</artifactId>
                                <version>7.0</version>
                                <type>jar</type>
                            </artifactItem>
                        </artifactItems>
                    </configuration>
                </execution>
            </executions>
        </plugin>
    </plugins>
</build>


4.0.0
edu.iit.sat.itmd4515.jwang206

请告知，非常感谢
 您已经获得了由javax.persistence接口组成的API依赖项，但是您还需要一些具体的实现
将此依赖项添加到pom.xml（版本号由您决定）：

org.hibernate
冬眠核心
5.2.7.最终版本

然后将持久性提供程序更改为：
<persistence-unit name="itmd4515PU" transaction-type="JTA">
    <provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>


org.hibernate.jpa.HibernatePersistenceProvider
您已经获得了由javax.persistence接口组成的API依赖项，但您还需要一些具体的实现
将此依赖项添加到pom.xml（版本号由您决定）：

org.hibernate
冬眠核心
5.2.7.最终版本

然后将持久性提供程序更改为：
<persistence-unit name="itmd4515PU" transaction-type="JTA">
    <provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>


org.hibernate.jpa.HibernatePersistenceProvider
我仍然收到错误提示：线程“main”javax.persistence.PersistenceException中出现异常：添加新实现后无法找到持久性单元。请添加WAR文件内容的结构。。特别是META-INF所在的位置我很抱歉，但是添加WAR文件内容的结构是什么意思？persistence.xml必须位于/META-INF中，并且位于包的根目录下。是吗？测试成功了吗？我仍然会收到错误提示：线程“main”javax.persistence.PersistenceException中的异常：在添加新实现后无法定位持久性单元。添加WAR文件内容的结构。。特别是META-INF所在的位置我很抱歉，但是添加WAR文件内容的结构是什么意思？persistence.xml必须位于/META-INF中，并且位于包的根目录下。是吗？测试顺利吗？