Hibernate NoSuchFieldError 实例但仅适用于 Struts 1？

Question

我是 Java 和 Hibernate 新手（作为 Rails 和 C# 开发人员）。无论如何，我有一个测试程序可以与 Hibernate 一起正常工作，但我的实际 Web 应用程序 (Struts 1) 崩溃：

SEVERE: Servlet.service() for servlet default throws exception java.lang.NoSuchFieldError: INSTANCE

我正在使用：

Hibernate 3.6.1 with Annotations

Struts 1 with Apache Tiles

C3P0 连接池

这是实际上有效的程序。这是主要项目的一部分。只是一个简单的JAVA测试。

public class TestUser {

  public static void main(String[] args) {

    SessionFactory factory = HibernateUtil.getSessionFactory();
    Session session = factory.getCurrentSession();
    session.beginTransaction();

    String queryString = "from User where UserName = 'Quake'";
    Query query = session.createQuery(queryString);

    User quake = (User)query.uniqueResult();
    session.getTransaction().commit();

    System.out.println( quake.getEmail() );
    System.out.println( "Active? " + quake.isActive() );


    UserRepository userRepo = new UserRepository();

    System.out.println( "User Quake: " + userRepo.findAll().get(0).getEmail() );

  }
}

效果很好。输出一些样本数据。

现在，当我尝试在 Struts 中做同样的事情时，我遇到了异常。这就是不起作用：

public class ListUsers extends org.apache.struts.action.Action {

  /* forward name="success" path="" */
  private static final String SUCCESS = "success";

/**
 * This is the action called from the Struts framework.
 * @param mapping The ActionMapping used to select this instance.
 * @param form The optional ActionForm bean for this request.
 * @param request The HTTP Request we are processing.
 * @param response The HTTP Response we are processing.
 * @throws java.lang.Exception
 * @return
 */
@Override
public ActionForward execute(ActionMapping mapping, ActionForm form,
        HttpServletRequest request, HttpServletResponse response)
        throws Exception {


    List<String> listMsg = new ArrayList<String>();

    listMsg.add("Message A");
    listMsg.add("Message B");
    listMsg.add("Message C");
    listMsg.add("Message D");

    request.setAttribute("listMsg", listMsg);



    UserRepository userRepo = new UserRepository();  // CRASHES HERE (see HibernateUtil)
    String email = userRepo.first().getEmail();


    return mapping.findForward(SUCCESS);
  }
}

这是我的 HibernateUtil 类：

public class HibernateUtil {

  private static final SessionFactory sessionFactory = buildSessionFactory();

  private static SessionFactory buildSessionFactory() {
    try {
        // Create the SessionFactory from hibernate.cfg.xml
        Configuration config = new Configuration();  // THIS LINE CRASHES IN STRUTS

        // Add annotated classes
        config.addAnnotatedClass(User.class);

        config.configure();
        return config.buildSessionFactory();

    } catch (Throwable ex) {
        // Make sure you log the exception, as it might be swallowed
        System.err.println("Initial SessionFactory creation failed.  WTFQNIL: " + ex);
        throw new ExceptionInInitializerError(ex);
    }
  }

  public static SessionFactory getSessionFactory() {
    return sessionFactory;
  }
}

HibernateUtil 中的 Configuration config = new Configuration() 行是Struts 中崩溃，但测试应用程序不崩溃。

这是完整的异常转储：

Feb 24, 2011 9:51:58 AM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet default threw exception
java.lang.NoSuchFieldError: INSTANCE
at org.hibernate.type.BasicTypeRegistry.<init>(BasicTypeRegistry.java:94)
at org.hibernate.type.TypeResolver.<init>(TypeResolver.java:59)
at org.hibernate.cfg.Configuration.<init>(Configuration.java:249)
at org.hibernate.cfg.Configuration.<init>(Configuration.java:300)
at com.kencogroup.kkms.struts.utilities.HibernateUtil.buildSessionFactory(HibernateUtil.java:22)
at com.kencogroup.kkms.struts.utilities.HibernateUtil.<clinit>(HibernateUtil.java:17)
at com.kencogroup.dao.repositories.UserRepository.first(UserRepository.java:33)
at com.kencogroup.kkms.struts.actions.ListUsers.execute(ListUsers.java:52)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:176)
at org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:145)
at org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:92)
at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:381)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
at org.tuckey.web.filters.urlrewrite.NormalRewrittenUrl.doRewrite(NormalRewrittenUrl.java:213)
at org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:171)
at org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:145)
at org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:92)
at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:381)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:859)
at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:579)
at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1555)
at java.lang.Thread.run(Thread.java:662)

我做错了什么？

谢谢！

Answer 1

看起来类路径中有多个版本的 Hibernate jar。

Answer 2

删除这两个依赖项对我有用。

   <dependency>
        <groupId>org.hibernate</groupId>
        <artifactId>hibernate-commons-annotations</artifactId>
        <version>3.0.0.ga</version>
        <scope>runtime</scope>
    </dependency>
     <dependency>
        <groupId>org.hibernate</groupId>
        <artifactId>hibernate-annotations</artifactId>
        <version>3.3.0.ga</version>
    </dependency> 

这些是我的休眠依赖项。

<dependency>
    <groupId>org.hibernate</groupId>
    <artifactId>hibernate-core</artifactId>
    <version>3.6.3.Final</version>
</dependency>
<dependency>
    <groupId>org.javassist</groupId>
    <artifactId>javassist</artifactId>
    <version>3.17.1-GA</version>
</dependency>
<dependency>
    <groupId>asm</groupId>
    <artifactId>asm-all</artifactId>
    <version>2.2</version>
</dependency>
<dependency>
    <groupId>antlr</groupId>
    <artifactId>antlr</artifactId>
    <version>2.7.7</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
    <artifactId>hibernate-entitymanager</artifactId>
    <version>3.6.3.Final</version>
</dependency>

Answer 3

@axtavt 说得对。
我知道您已经解决了问题，我发布我的评论，因为它可能对其他人有帮助。

如果您正在使用 Maven 依赖项，则假设您已经拥有自己的 Hibernate 依赖项。后来，另一个依赖项（如 org.codehaus.jackson 或 drools-spring）被添加到 pom 中。它可能会导致此错误，因为 org.codehaus.jackson 和 drools-spring 对不同版本的 hibernate 有自己的依赖。添加 org.codehaus.jackson 或 drools-spring 时排除 hibernate 可以解决问题。