【问题标题】:Need help to run a hibernate project需要帮助来运行休眠项目
【发布时间】:2015-04-01 07:30:16
【问题描述】:

我对 hibernate 很陌生,我正在努力几个小时来运行一个项目。我没有写代码,我只是想启动它。我什至不知道从哪里开始解释。首先,我将发布一张带有项目结构的图片

我没有导入项目,我创建了一个新项目并复制了所有代码。我已经包含了hibernate 的罐子。我使用的是postgresql,最初的项目使用的是sqlserver。我已经修改了hibernate.cfg.xmlBook.hbm.xml 文件,我想我会在这里发布这些文件,但是我得到了一堆错误:

**strong text**Exception in thread "AWT-EventQueue-0" org.hibernate.HibernateException: Could not parse configuration: /hibernate.cfg.xml
    at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1491)
    at org.hibernate.cfg.Configuration.configure(Configuration.java:1425)
    at org.hibernate.cfg.Configuration.configure(Configuration.java:1411)
    at service.BookService.<init>(BookService.java:16)
    at controller.BookManager.<init>(BookManager.java:18)
    at views.Library.<init>(Library.java:24)
    at Start.createAndShowGUI(Start.java:15)
    at Start$1.run(Start.java:29)
    at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
    at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:744)
    at java.awt.EventQueue.access$400(EventQueue.java:97)
    at java.awt.EventQueue$3.run(EventQueue.java:697)
    at java.awt.EventQueue$3.run(EventQueue.java:691)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:714)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
    at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
    at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
Caused by: org.dom4j.DocumentException: Connection reset Nested exception: Connection reset
    at org.dom4j.io.SAXReader.read(SAXReader.java:484)
    at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1481)
    ... 21 more

初始hibernate.cfg.xml文件:

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-configuration SYSTEM
        "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">

<hibernate-configuration>
    <session-factory>
        <property name="hibernate.dialect">
            org.hibernate.dialect.MySQLDialect
        </property>
        <property name="hibernate.connection.driver_class">
            com.mysql.jdbc.Driver
        </property>

        <!-- Assume test is the database name -->
        <property name="hibernate.connection.url">
            jdbc:mysql://localhost/lab1_aop
        </property>
        <property name="hibernate.connection.username">
            root
        </property>
        <property name="hibernate.connection.password">
            root
        </property>

        <!-- List of XML mapping files -->
        <mapping resource="Book.hbm.xml"/>

    </session-factory>
</hibernate-configuration>

我的hibernate.cfg.xml 文件:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC
        "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
        "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">

<hibernate-configuration>
    <session-factory>
        <property name="hibernate.dialect">org.hibernate.dialect.PostgreSQLDialect</property>
        <property name="hibernate.connection.driver_class">org.postgresql.Driver</property>
        <property name="hibernate.connection.username">postgres</property>
        <property name="hibernate.connection.password">passw</property>
        <property name="hibernate.connection.url">jdbc:postgresql://localhost:5434/lab1_aop</property>

       <mapping resource="Book.hbm.xml"/>

    </session-factory>
</hibernate-configuration>

Book.hbm.xml 文件中我没有更改任何内容:

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC
        "-//Hibernate/Hibernate Mapping DTD//EN"
        "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">

<hibernate-mapping>
    <class name="model.Book" table="books">
        <meta attribute="class-description">
            This class contains a book details.
        </meta>
        <id name="id" type="int" column="id">
            <generator class="native"/>
        </id>
        <property name="name" column="name" type="string"/>
        <property name="borrowed" column="borrowed" type="boolean"/>
    </class>
</hibernate-mapping>

谁能帮帮我?如果需要,我可以提供更多代码。 提前谢谢!

【问题讨论】:

  • org.javabrains.sanjaya.dto.UserDetails 类代码在哪里
  • 我已经从hibernate.cfg中删除了它。我得到了同样的错误

标签: java xml hibernate postgresql


【解决方案1】:

尝试替换:

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-configuration SYSTEM
        "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
                                         "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">

在 hibernate.cfg.xml 中

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