Java JPA-persistence.xml无效

我终于让Maven和JPA工作了，但现在我遇到了另一个错误：

javax.persistence.PersistenceException: Invalid persistence.xml.
Error parsing XML (line-1 : column -1): cvc-elt.1: Declaration of the element "persistence" could not be found.

    org.hibernate.ejb.packaging.PersistenceXmlLoader.loadURL(PersistenceXmlLoader.java:147)
    org.hibernate.ejb.packaging.PersistenceXmlLoader.deploy(PersistenceXmlLoader.java:171)
    org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:325)
    org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:71)
    javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:63)
    javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:47)
    com.gamerbud.model.GameController.getEntityManager(GameController.java:31)
    com.gamerbud.model.GameController.getGames(GameController.java:37)
    com.gamerbud.SessionBean.updateGames(SessionBean.java:41)
    com.gamerbud.SessionBean.<init>(SessionBean.java:36)
    sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
    sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    java.lang.reflect.Constructor.newInstance(Constructor.java:526)
    java.lang.Class.newInstance(Class.java:374)
    org.apache.myfaces.config.annotation.Tomcat7AnnotationLifecycleProvider.newInstance(Tomcat7AnnotationLifecycleProvider.java:60)
    org.apache.myfaces.config.ManagedBeanBuilder.buildManagedBean(ManagedBeanBuilder.java:156)
    org.apache.myfaces.el.unified.resolver.ManagedBeanResolver.createManagedBean(ManagedBeanResolver.java:333)
    org.apache.myfaces.el.unified.resolver.ManagedBeanResolver.getValue(ManagedBeanResolver.java:296)
    javax.el.CompositeELResolver.getValue(CompositeELResolver.java:67)
    org.apache.myfaces.el.unified.resolver.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:179)
    org.apache.el.parser.AstIdentifier.getValue(AstIdentifier.java:72)
    org.apache.el.parser.AstValue.getValue(AstValue.java:161)
    org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:185)
    org.apache.myfaces.view.facelets.el.ELText$ELTextVariable.toString(ELText.java:208)
    org.apache.myfaces.view.facelets.el.ELText$ELTextComposite.toString(ELText.java:140)
    org.apache.myfaces.view.facelets.compiler.CommentInstruction.write(CommentInstruction.java:40)
    org.apache.myfaces.view.facelets.compiler.UIInstructions.encodeBegin(UIInstructions.java:46)
    org.apache.myfaces.view.facelets.compiler.UILeaf.encodeAll(UILeaf.java:505)
    javax.faces.component.UIComponentBase.encodeAll(UIComponentBase.java:541)
    javax.faces.component.UIComponentBase.encodeAll(UIComponentBase.java:541)
    org.apache.myfaces.view.facelets.FaceletViewDeclarationLanguage.renderView(FaceletViewDeclarationLanguage.java:1981)
    org.apache.myfaces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:285)
    org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:116)
    org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:241)
    javax.faces.webapp.FacesServlet.service(FacesServlet.java:199)

javax.persistence.PersistenceException:persistence.xml无效。
分析XML时出错（第1行：第1列）：cvc elt.1:找不到元素“persistence”的声明。
org.hibernate.ejb.packaging.persistencexmloader.loadURL（persistencexmloader.java:147）
org.hibernate.ejb.packaging.persistencexmloader.deploy（persistencexmloader.java:171）
org.hibernate.ejb.Ejb3Configuration.configure（Ejb3Configuration.java:325）
org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory（HibernatePersistence.java:71）
persistence.persistence.createEntityManagerFactory（persistence.java:63）
persistence.persistence.createEntityManagerFactory（persistence.java:47）
com.gamerbud.model.GameController.getEntityManager（GameController.java:31）
com.gamerbud.model.GameController.getGames（GameController.java:37）
com.gamerbud.SessionBean.updateGames（SessionBean.java:41）
SessionBean（SessionBean.java:36）
sun.reflect.NativeConstructorAccessorImpl.newInstance0（本机方法）
sun.reflect.NativeConstructorAccessorImpl.newInstance（NativeConstructorAccessorImpl.java:57）
sun.reflect.DelegatingConstructorAccessorImpl.newInstance（DelegatingConstructorAccessorImpl.java:45）
newInstance（Constructor.java:526）
java.lang.Class.newInstance（Class.java:374）
org.apache.myfaces.config.annotation.Tomcat7AnnotationLifecycleProvider.newInstance（Tomcat7AnnotationLifecycleProvider.java:60）
org.apache.myfaces.config.ManagedBeanBuilder.buildManagedBean（ManagedBeanBuilder.java:156）
org.apache.myfaces.el.unified.resolver.ManagedBeanResolver.createManagedBean（ManagedBeanResolver.java:333）
org.apache.myfaces.el.unified.resolver.ManagedBeanResolver.getValue（ManagedBeanResolver.java:296）
getValue（CompositeELResolver.java:67）
org.apache.myfaces.el.unified.resolver.FacesCompositeELResolver.getValue（FacesCompositeELResolver.java:179）
org.apache.el.parser.astiIdentifier.getValue（astiIdentifier.java:72）
org.apache.el.parser.AstValue.getValue（AstValue.java:161）
org.apache.el.ValueExpressionImpl.getValue（ValueExpressionImpl.java:185）
org.apache.myfaces.view.facelets.el.ELText$ELTextVariable.toString（ELText.java:208）
org.apache.myfaces.view.facelets.el.ELText$ELTextComposite.toString（ELText.java:140）
org.apache.myfaces.view.facelets.compiler.CommentInstruction.write（CommentInstruction.java:40）
org.apache.myfaces.view.facelets.compiler.uidirections.encodeBegin（uidirections.java:46）
org.apache.myfaces.view.facelets.compiler.UILeaf.encodeAll（UILeaf.java:505）
javax.faces.component.UIComponentBase.encodeAll（UIComponentBase.java:541）
javax.faces.component.UIComponentBase.encodeAll（UIComponentBase.java:541）
org.apache.myfaces.view.facelets.FaceletViewDeclarationLanguage.renderView（FaceletViewDeclarationLanguage.java:1981）
org.apache.myfaces.application.ViewHandlerImpl.renderView（ViewHandlerImpl.java:285）
org.apache.myfaces.lifecycle.RenderResponseExecutor.execute（RenderResponseExecutor.java:116）
org.apache.myfaces.lifecycle.LifecycleImpl.render（LifecycleImpl.java:241）
javax.faces.webapp.FacesServlet.service（FacesServlet.java:199）

这对我来说很奇怪，因为my persistence.xml有一个persistence元素：

<?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.hsn_gamerbud_war_1.0-SNAPSHOTPU" transaction-type="RESOURCE_LOCAL">
    <provider>org.hibernate.ejb.HibernatePersistence</provider>
    <class>com.gamerbud.model.Game</class>
    <exclude-unlisted-classes>false</exclude-unlisted-classes>
    <properties>
    </properties>
  </persistence-unit>
</persistence>

org.hibernate.ejb.HibernatePersistence
com.gamerbud.model.Game
假的

以下是我的pom.xml（如果需要）：

<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>com.hsn</groupId>
    <artifactId>gamerbud</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>war</packaging>

    <name>gamerbud</name>

     <properties>
        <!-- Netbeans specific hints -->
        <netbeans.hint.license>apache20</netbeans.hint.license>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>

<dependencies>
        <!-- Apache MyFaces JSF implementation -->
        <dependency>
            <groupId>org.apache.myfaces.core</groupId>
            <artifactId>myfaces-api</artifactId>
            <version>2.1.11</version>
        </dependency>
        <dependency>
            <groupId>org.apache.myfaces.core</groupId>
            <artifactId>myfaces-impl</artifactId>
            <version>2.1.11</version>
            <scope>runtime</scope>
        </dependency>

        <!-- Servlet specific stuff is available on every container -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>3.0.1</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>javax.el</groupId>
            <artifactId>el-api</artifactId>
            <version>2.2</version>
            <scope>provided</scope>
        </dependency>

        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-entitymanager</artifactId>
            <version>4.2.0.Final</version>
        </dependency>

        <!-- JUNIT -->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.8.1</version>
            <scope>test</scope>
        </dependency>
    <dependency>
        <groupId>org.eclipse.persistence</groupId>
        <artifactId>eclipselink</artifactId>
      <version>2.5.0-SNAPSHOT</version>
    </dependency>
  <dependency>
    <groupId>org.eclipse.persistence</groupId>
    <artifactId>javax.persistence</artifactId>
    <version>2.1.0-SNAPSHOT</version>
  </dependency>
    <dependency>
        <groupId>org.eclipse.persistence</groupId>
        <artifactId>org.eclipse.persistence.jpa.modelgen.processor</artifactId>
      <version>2.5.0-SNAPSHOT</version>
      <scope>provided</scope>
    </dependency>
</dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>2.3.2</version>
                <configuration>
                    <source>1.6</source>
                    <target>1.6</target>
                    <compilerArguments>
                        <endorseddirs>${endorsed.dir}</endorseddirs>
                    </compilerArguments>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-war-plugin</artifactId>
                <version>2.1.1</version>
                <configuration>
                    <failOnMissingWebXml>false</failOnMissingWebXml>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-dependency-plugin</artifactId>
                <version>2.1</version>
                <executions>
                    <execution>
                        <phase>validate</phase>
                        <goals>
                            <goal>copy</goal>
                        </goals>
                        <configuration>
                            <outputDirectory>${endorsed.dir}</outputDirectory>
                            <silent>true</silent>
                            <artifactItems>
                                <artifactItem>
                                    <groupId>javax</groupId>
                                    <artifactId>javaee-endorsed-api</artifactId>
                                    <version>6.0</version>
                                    <type>jar</type>
                                </artifactItem>
                            </artifactItems>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>
  <repositories>
    <repository>
      <url>http://download.eclipse.org/rt/eclipselink/maven.repo/</url>
      <id>eclipselink</id>
      <layout>default</layout>
      <name>Repository for library EclipseLink (JPA 2.1)</name>
    </repository>
  </repositories>
</project>

4.0.0
com.hsn
加默布德
1.0-快照
战争
加默布德
公寓20
UTF-8
org.apache.myfaces.core
MyFacesAPI
2.1.11
org.apache.myfaces.core
MyFacesImpl
2.1.11
运行时
javax.servlet
javax.servlet-api
3.0.1
假如
javax.el
埃尔api
2.2
假如
org.hibernate
休眠实体管理器
4.2.0.4最终版本
朱尼特
朱尼特
4.8.1
测试
org.eclipse.persistence
日食
2.5.0-快照
org.eclipse.persistence
javax.persistence
2.1.0-快照
org.eclipse.persistence
org.eclipse.persistence.jpa.modelgen.processor
2.5.0-快照
假如
org.apache.maven.plugins
maven编译器插件
2.3.2
1.6
1.6
${annowed.dir}
org.apache.maven.plugins
maven战争插件
2.1.1
假的
org.apache.maven.plugins
maven依赖插件
2.1
验证
复制
${annowed.dir}
真的
爪哇
javaee认可的api
6
罐子
http://download.eclipse.org/rt/eclipselink/maven.rep
/src/main/resources/MAIN-INF/persistence.xml

<?xml version="1.0"?>
<persistence version="1.0>
   ...
</persistence>

<persistence xmlns="http://java.sun.com/xml/ns/persistence"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="1.0">
    ...
</persistence>

<property name="hibernate.show_sql" value="true" />

<property name="hibernate.show_sql">true</property>