创建名为“entityManagerFactory"的 bean 时出错

本文介绍了创建名为“entityManagerFactory"的 bean 时出错的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！问题描述

我正在尝试运行 dbtest，但出现以下错误:

I am trying to run a dbtest but I get the following error :

"导致:org.springframework.beans.factory.BeanCreationException:使用在类中定义的名称entityManagerFactory"创建 bean 时出错路径资源[root-context.xml]:调用init方法失败；嵌套异常是 java.lang.AbstractMethodError:org.springframework.orm.jpa.persistenceunit.SpringPersistenceUnitInfo.getValidationMode()Ljavax/persistence/ValidationMode;"

"Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [root-context.xml]: Invocation of init method failed; nested exception is java.lang.AbstractMethodError: org.springframework.orm.jpa.persistenceunit.SpringPersistenceUnitInfo.getValidationMode()Ljavax/persistence/ValidationMode;"

因此，我也收到以下错误:

And because of that I also get the following error:

"导致:org.springframework.beans.factory.BeanCreationException:使用在类路径中定义的名称personRepository"创建 bean 时出错资源 [root-context.xml]:bean 初始化失败；嵌套例外是 org.springframework.beans.factory.BeanCreationException:使用在类中定义的名称entityManagerFactory"创建 bean 时出错路径资源[root-context.xml]:调用init方法失败；嵌套异常是 java.lang.AbstractMethodError:org.springframework.orm.jpa.persistenceunit.SpringPersistenceUnitInfo.getValidationMode()Ljavax/persistence/ValidationMode;

"Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'personRepository' defined in class path resource [root-context.xml]: Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [root-context.xml]: Invocation of init method failed; nested exception is java.lang.AbstractMethodError: org.springframework.orm.jpa.persistenceunit.SpringPersistenceUnitInfo.getValidationMode()Ljavax/persistence/ValidationMode;

所以我们必须看看我的根上下文文件，它看起来如下:

So we have to take alook at my root-context file and it look the following :

<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="www.springframework/schema/beans" xmlns:xsi="www.w3/2001/XMLSchema-instance" xsi:schemaLocation="www.springframework/schema/beans www.springframework/schema/beans/spring-beans.xsd">  <bean id="personRepository" class="se.lowdin.civilforsvaret.webapp.repositories.PersonRepositoryJpa" />  <bean id="datasource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> <property name="driverClassName" value="com.mysql.jdbc.Driver" /> <property name="url" value="jdbc:mysql://localhost/civilforsvaret11" /> <property name="username" value="bla" /> <property name="password" value="bla" /> </bean>  <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean"> <property name="dataSource" ref="datasource" /> <property name="persistenceUnitName" value="civilforsvaret" /> </bean>  <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager"> <property name="entityManagerFactory" ref="entityManagerFactory" /> </bean> </beans>

persisence.xml 如下所示:

<persistence xmlns="java.sun/xml/ns/persistence" xmlns:xsi="www.w3/2001/XMLSchema-instance" xsi:schemaLocation="java.sun/xml/ns/persistence java.sun/xml/ns/persistence/persistence_2_0.xsd" version="2.0"> <persistence-unit name="civilforsvaret" transaction-type="RESOURCE_LOCAL"> <provider>org.hibernate.ejb.HibernatePersistence</provider> <properties> <property name="hibernate.dialect" value="org.hibernate.dialect.H2Dialect" /> <property name="hibernate.hbm2ddl.auto" value="create-drop" /> <property name="hibernate.show_sql" value="true"/> </properties> </persistence-unit> </persistence>

这是我的 pom.xml 文件:

And this is my pom.xml file :

<?xml version="1.0" encoding="UTF-8"?> <project xmlns="maven.apache/POM/4.0.0" xmlns:xsi="www.w3/2001/XMLSchema-instance" xsi:schemaLocation="maven.apache/POM/4.0.0 maven.apache/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>se.lowdin</groupId> <artifactId>civilforsvaret</artifactId> <name>civilforsvaret-webbapp</name> <packaging>war</packaging> <version>1.0.0-BUILD-SNAPSHOT</version> <properties> <java-version>1.6</java-version> <org.springframework-version>3.1.1.RELEASE</org.springframework-version> <org.aspectj-version>1.6.10</org.aspectj-version> <org.slf4j-version>1.6.6</org.slf4j-version> </properties> <dependencies>  <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>${org.springframework-version}</version> <exclusions>  <exclusion> <groupId>commons-logging</groupId> <artifactId>commons-logging</artifactId> </exclusion> </exclusions> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>${org.springframework-version}</version> </dependency>  <dependency> <groupId>org.aspectj</groupId> <artifactId>aspectjrt</artifactId> <version>${org.aspectj-version}</version> </dependency>  <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.24</version> </dependency>  <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>${org.slf4j-version}</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>jcl-over-slf4j</artifactId> <version>${org.slf4j-version}</version> <scope>runtime</scope> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <version>${org.slf4j-version}</version> <scope>runtime</scope> </dependency> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.15</version> <exclusions> <exclusion> <groupId>javax.mail</groupId> <artifactId>mail</artifactId> </exclusion> <exclusion> <groupId>javax.jms</groupId> <artifactId>jms</artifactId> </exclusion> <exclusion> <groupId>com.sun.jdmk</groupId> <artifactId>jmxtools</artifactId> </exclusion> <exclusion> <groupId>com.sun.jmx</groupId> <artifactId>jmxri</artifactId> </exclusion> </exclusions> <scope>runtime</scope> </dependency>  <dependency> <groupId>javax.inject</groupId> <artifactId>javax.inject</artifactId> <version>1</version> </dependency>  <dependency> <groupId>javax.servlet</groupId> <artifactId>servlet-api</artifactId> <version>2.5</version> <scope>provided</scope> </dependency> <dependency> <groupId>javax.servlet.jsp</groupId> <artifactId>jsp-api</artifactId> <version>2.1</version> <scope>provided</scope> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency>  <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.7</version> <scope>test</scope> </dependency> <dependency> <groupId>org.easymock</groupId> <artifactId>easymock</artifactId> <version>3.1</version> </dependency> <dependency> <groupId>org.hibernate</groupId> <artifactId>hibernate-entitymanager</artifactId> <version>4.3.0.CR1</version> </dependency> <dependency> <groupId>com.h2database</groupId> <artifactId>h2</artifactId> <version>1.3.174</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-test</artifactId> <version>3.2.5.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jpa</artifactId> <version>2.0.8</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>3.2.5.RELEASE</version> </dependency> <dependency> <groupId>org.springframework.data</groupId> <artifactId>spring-data-jpa</artifactId> <version>1.4.2.RELEASE</version> </dependency> <dependency> <groupId>org.hibernate.javax.persistence</groupId> <artifactId>hibernate-jpa-2.0-api</artifactId> <version>1.0.1.Final</version> </dependency> </dependencies> <build> <plugins> <plugin> <artifactId>maven-eclipse-plugin</artifactId> <version>2.9</version> <configuration> <additionalProjectnatures> <projectnature>org.springframework.ide.eclipse.core.springnature</projectnature> </additionalProjectnatures> <additionalBuildcommands> <buildcommand>org.springframework.ide.eclipse.core.springbuilder</buildcommand> </additionalBuildcommands> <downloadSources>true</downloadSources> <downloadJavadocs>true</downloadJavadocs> </configuration> </plugin> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>2.5.1</version> <configuration> <source>1.6</source> <target>1.6</target> <compilerArgument>-Xlint:all</compilerArgument> <showWarnings>true</showWarnings> <showDeprecation>true</showDeprecation> </configuration> </plugin> <plugin> <groupId>org.codehaus.mojo</groupId> <artifactId>exec-maven-plugin</artifactId> <version>1.2.1</version> <configuration> <mainClass>org.test.int1.Main</mainClass> </configuration> </plugin> </plugins> </build> </project>

我是 Spring MVC 的完全菜鸟，找不到问题.

I am a complete noob with Spring MVC and cant find the problem.

推荐答案

这听起来像是 ClassLoader 冲突.我敢打赌你在类路径上的某个地方有 javax.persistence api 1.x，而 Spring 正在尝试访问 ValidationMode，仅在 JPA 2.0 中引入.

This sounds like a ClassLoader conflict. I'd bet you have the javax.persistence api 1.x on the classpath somewhere, whereas Spring is trying to access ValidationMode, which was only introduced in JPA 2.0.

既然你用Maven，做mvn dependency:tree，找到神器:

Since you use Maven, do mvn dependency:tree, find the artifact:

<dependency> <groupId>javax.persistence</groupId> <artifactId>persistence-api</artifactId> <version>1.0</version> </dependency>

并将其从您的设置中删除.(请参阅排除依赖项)

And remove it from your setup. (See Excluding Dependencies)

AFAIK JPA 2 没有这样的通用发行版，但您可以使用此特定于 Hibernate 的版本:

AFAIK there is no such general distribution for JPA 2, but you can use this Hibernate-specific version:

<dependency> <groupId>org.hibernate.javax.persistence</groupId> <artifactId>hibernate-jpa-2.0-api</artifactId> <version>1.0.1.Final</version> </dependency>

好的，既然这不起作用，您似乎仍然在某个地方有一些 JPA-1 版本.在测试方法中，添加以下代码:

OK, since that doesn't work, you still seem to have some JPA-1 version in there somewhere. In a test method, add this code:

System.out.println(EntityManager.class.getProtectionDomain() .getCodeSource() .getLocation());

看看它指向哪里并摆脱那个神器.

See where that points you and get rid of that artifact.

啊，现在我终于看到问题了.摆脱这个:

Ahh, now I finally see the problem. Get rid of this:

<dependency> <groupId>org.springframework</groupId> <artifactId>spring-jpa</artifactId> <version>2.0.8</version> </dependency>

并将其替换为

<dependency> <groupId>org.springframework</groupId> <artifactId>spring-orm</artifactId> <version>3.2.5.RELEASE</version> </dependency>

另外一个注意事项，您应该将所有测试库(spring-test、easymock 等)设置为

On a different note, you should set all test libraries (spring-test, easymock etc.) to