我正在一个 spring 应用程序上下文 xml 中配置 jpa 和 jpa 存储库。

如果我同时拥有 <jpa:repositories base-package="..." />和 <context:component-scan base-package="..." />然后 Spring Tool Suite 在第 1 行显示错误

Referenced file contains errors (http://www.springframework.org/schema/context/spring-context-4.0.xsd). For more information, right click on the message in the Problems View and select "Show Details..."

点击显示详细信息后，我得到了这个:

The errors below were detected when validating the file "spring-context-4.0.xsd" viathe file "app-config.xml".  In most cases these errors can be detected by validating "spring-context-4.0.xsd" directly.  However it is possible that errors will only occur when spring-context-4.0.xsd is validated in the context of app-config.xml.

sch-props-correct.2: A schema cannot contain two global components with the same name; this schema contains two occurrences of 'http://www.springframework.org/schema/context,propertyPlaceholder'.  line 22

sch-props-correct.2: A schema cannot contain two global components with the same name; this schema contains two occurrences of 'http://www.springframework.org/schema/context,property-placeholder'.  line 91

sch-props-correct.2: A schema cannot contain two global components with the same name; this schema contains two occurrences of 'http://www.springframework.org/schema/context,property-override'.  line 155

sch-props-correct.2: A schema cannot contain two global components with the same name; this schema contains two occurrences of 'http://www.springframework.org/schema/context,annotation.config'.  line 174

sch-props-correct.2: A schema cannot contain two global components with the same name; this schema contains two occurrences of 'http://www.springframework.org/schema/context,component-scan'.  line 194

sch-props-correct.2: A schema cannot contain two global components with the same name; this schema contains two occurrences of 'http://www.springframework.org/schema/context,load-time-weaver'.  line 315

sch-props-correct.2: A schema cannot contain two global components with the same name; this schema contains two occurrences of 'http://www.springframework.org/schema/context,spring-configured'.  line 392

sch-props-correct.2: A schema cannot contain two global components with the same name; this schema contains two occurrences of 'http://www.springframework.org/schema/context,mbean-export'.  line 405

sch-props-correct.2: A schema cannot contain two global components with the same name; this schema contains two occurrences of 'http://www.springframework.org/schema/context,mbean-server'.  line 458

sch-props-correct.2: A schema cannot contain two global components with the same name; this schema contains two occurrences of 'http://www.springframework.org/schema/context,filterType'.  line 488

在<jpa:repositories base-package="..." />旁边有一条警告说 Referenced bean 'jpaMapppingContext' not found

运行应用程序似乎工作正常。我可以连接到数据库并使用 JpaRepository 接口(interface)从数据库中获取数据，所以我不确定为什么我会在 STS 中遇到 fatal error 。我假设因为 jpa:repositories 和 context:component-scan 扫描包，当两者都使用时存在一些重复/冲突但我不确定我应该如何修复它(我可能会将服务分成他们的自己的配置 xml 并将其导入应用程序配置或将其添加到 web.xml 中的上下文列表)

这是完整的 app-config.xml:

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:tx="http://www.springframework.org/schema/tx"
    xmlns:p="http://www.springframework.org/schema/p"
    xmlns:util="http://www.springframework.org/schema/util"
    xmlns:jpa="http://www.springframework.org/schema/data/jpa"
    xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
        http://www.springframework.org/schema/data/jpa http://www.springframework.org/schema/data/jpa/spring-jpa-1.3.xsd
        http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
        http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd">

    <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"
    p:driverClassName="org.h2.Driver"
    p:url="jdbc:h2:tcp://localhost/~/test;INIT=CREATE SCHEMA IF NOT EXISTS TEST"
    p:username="sa"
    p:password="" />

    <bean id="jpaVendorAdapter" class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter" 
    p:showSql="true" />

    <util:map id="jpaProperties">
        <entry key="hibernate.dialect" value="org.hibernate.dialect.H2Dialect" />
        <entry key="hibernate.hbm2ddl.auto" value="update" />
        <entry key="hibernate.default_schema" value="test" />
    </util:map>

    <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean"
    p:dataSource-ref="dataSource"
    p:packagesToScan="hr.mrplow.test.model"
    p:jpaVendorAdapter-ref="jpaVendorAdapter"
    p:jpaProperties-ref="jpaProperties" />  

    <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager"
    p:entityManagerFactory-ref="entityManagerFactory"
    p:rollbackOnCommitFailure="true" />

    <tx:annotation-driven transaction-manager="transactionManager" />       

    <jpa:repositories base-package="hr.mrplow.test.DAO" />

    <!-- Services -->
    <context:component-scan base-package="hr.mrplow.test.service" />
</beans>

这是完整的 app-config.xml

最佳答案

这是 STS 中的一个已知问题:

https://jira.spring.io/browse/DATAJPA-160

虽然这个问题声称已关​​闭，但您可以在 this forum 中看到它仍然弹出。

您应该考虑在您的案例中使用 Spring 打开一个 jira 票证。

关于java - Spring Tool Suite 应用程序上下文 xml 错误，即使所有 bean 似乎都按预期工作，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/24497297/