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我正在尝试运行一个具有 CDI 焊接实现的独立应用程序，并且在该应用程序中我需要 EntityManager 来使用 Oracle 数据库。

当我运行我的应用程序（通过 Weld 主方法）时，cmd 行中显示以下内容：

Exception in thread "main" java.lang.IllegalAccessError: tried to access class javax.xml.parsers.FactoryFinder from class javax.xml.parsers.FactoryFinder$ConfigurationError
    at java.lang.Class.getDeclaringClass0(Native Method)
    at java.lang.Class.getDeclaringClass(Unknown Source)
    at java.lang.Class.getEnclosingClass(Unknown Source)
    at java.lang.Class.getSimpleBinaryName(Unknown Source)
    at java.lang.Class.isMemberClass(Unknown Source)
    at org.jboss.weld.util.reflection.Reflections.isNonStaticInnerClass(Reflections.java:139)
    at org.jboss.weld.bootstrap.BeanDeployer.isBeanCandidate(BeanDeployer.java:98)
    at org.jboss.weld.bootstrap.BeanDeployer.addClass(BeanDeployer.java:78)
    at org.jboss.weld.bootstrap.BeanDeployer.addClasses(BeanDeployer.java:135)
    at org.jboss.weld.bootstrap.BeanDeployment.createBeans(BeanDeployment.java:184)
    at org.jboss.weld.bootstrap.WeldBootstrap.deployBeans(WeldBootstrap.java:349)
    at org.jboss.weld.bootstrap.api.helpers.ForwardingBootstrap.deployBeans(ForwardingBootstrap.java:70)
    at org.jboss.weld.environment.se.Weld.initialize(Weld.java:133)
    at org.jboss.weld.environment.se.StartMain.go(StartMain.java:41)
    at org.jboss.weld.environment.se.StartMain.main(StartMain.java:52)

什么可能导致这样的错误？

这是我的persistence.xml：

<persistence-unit name="oracleUnit"
                  transaction-type="RESOURCE_LOCAL">
    <provider>org.hibernate.ejb.HibernatePersistence</provider>

    <class>entities.MyEntity</class>

    <properties>
        <property name="javax.persistence.jdbc.driver" value="oracle.jdbc.driver.OracleDriver" />
        <property name="javax.persistence.jdbc.platform"
                  value="org.eclipse.persistence.platform.database.oracle.OraclePlatform" />

        <property name="javax.persistence.jdbc.url"
                  value="jdbc:oracle:thin:@localhost:1521:orcl" />
        <property name="javax.persistence.jdbc.user" value="TEST" />
        <property name="javax.persistence.jdbc.password" value="test" />

        <property name="hibernate.dialect" value="org.hibernate.dialect.Oracle10gDialect"/>
    </properties>
</persistence-unit>

以下是依赖项：

<dependencies>

    <dependency>
        <groupId>org.jboss.weld.se</groupId>
        <artifactId>weld-se-core</artifactId>
        <version>1.1.10.Final</version>
    </dependency>
    <dependency>
        <groupId>org.hibernate</groupId>
        <artifactId>hibernate-core</artifactId>
        <version>4.3.8.Final</version>
    </dependency>
    <dependency>
        <groupId>org.hibernate</groupId>
        <artifactId>hibernate-entitymanager</artifactId>
        <version>4.3.8.Final</version>
    </dependency>
    <dependency>
        <groupId>org.hibernate</groupId>
        <artifactId>hibernate-validator</artifactId>
        <version>5.1.3.Final</version>
    </dependency>
    <dependency>
        <groupId>com.oracle</groupId>
        <artifactId>ojdbc6</artifactId>
        <version>11.2.0.3</version>
    </dependency>

这是我创建实体管理器的方法，相当标准：

  EntityManagerFactory emf = Persistence.createEntityManagerFactory("oracleUnit");
    EntityManager em = emf.createEntityManager();
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1 回答 1

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将 Weld 依赖项更新到最新的依赖项解决了该问题。

依赖项现在如下所示：

<dependency>
        <groupId>org.jboss.weld.se</groupId>
        <artifactId>weld-se-core</artifactId>
        <version>3.0.0.Alpha14</version>
    </dependency>
    <dependency>
        <groupId>org.jboss</groupId>
        <artifactId>jandex</artifactId>
        <version>1.2.2.Final</version>
    </dependency>
    <dependency>
        <groupId>javax.servlet</groupId>
        <artifactId>javax.servlet-api</artifactId>
        <version>3.1.0</version>
    </dependency>
    <dependency>
        <groupId>com.oracle</groupId>
        <artifactId>ojdbc6</artifactId>
        <version>11.2.0.3</version>
    </dependency>
    <dependency>
        <groupId>org.hibernate</groupId>
        <artifactId>hibernate-entitymanager</artifactId>
        <version>4.3.8.Final</version>
    </dependency>
于 2016-01-17T13:54:16.660 回答