2016-07-04 54 views
2

我想插入模擬數據在H2分貝使用Hibernate,但我現在面臨以下錯誤如何解決「導致:java.lang.IllegalStateException:文件被鎖定:nio:/Development/hiber/data/contactmgr.mv.db [1.4.192/7]」

產生的原因:java.lang.IllegalStateException:該文件被鎖定: NIO:/Development/hiber/data/contactmgr.mv.db [1.4。 192/7]

,早些時候我以爲是因爲用戶名和密碼屬性,但即使從hibernate.cfg.xml中刪除它,我偶然發現了這個錯誤。

在線程異常 「主要」 java.lang.ExceptionInInitializerError 造成的:org.hibernate.exception.JDBCConnectionException:錯誤調用驅動程序#在org.hibernate.engine.jdbc.connections.internal.BasicConnectionCreator $ 1連接 $ 1.convert(BasicConnectionCreator.java:122) at org.hibernate.engine.jdbc.connections.internal.BasicConnectionCreator.convertSqlException(BasicConnectionCreator.java:140) at org.hibernate.engine.jdbc.connections.internal.DriverConnectionCreator。 makeConnection(DriverConnectionCreator.java:58) at org.hibernate.engine.jdbc.connections.internal.BasicConnectionCreator.createConnection(BasicConnectionCreator.java:75) 在org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl.configure(DriverManagerConnectionProviderImpl.java:106) 在org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:111) 的組織。 hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:234) at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:206) at org.hibernate.engine.jdbc.internal.JdbcServicesImpl。 buildJdbcConnectionAccess(JdbcServicesImpl.java:260) at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.configure(JdbcServicesImpl.java:94) at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.configureSe起動轉矩(StandardServiceRegistryImpl.java:111) 在org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:234) 在org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:206) 在org.hibernate.id.factory.internal.DefaultIdentifierGeneratorFactory.injectServices(DefaultIdentifierGeneratorFactory.java:147) at org.hibernate.service.internal.AbstractServiceRegistryImpl.injectDependencies(AbstractServiceRegistryImpl.java:272) at org.hibernate.service.internal。 AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:231) at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:206) at org.hibe (org.hibernate.metamodel.source.internal.MetadataBuilderImpl.build(MetadataBuilderImpl.java:123) at org.hibernate.metamodel.MetadataSources.buildMetadata(MetadataImpl.java:120) (MetadataSources.java:151) at com.hibernate.demo.Application.buildSesssionFactory(Application.java:46) at com.hibernate.demo.Application。(Application.java:17) 由org.h2引起。 jdbc.JdbcSQLException:數據庫可能已被使用:null。可能的解決方案:關閉所有其他連接;使用 服務器模式[90020-192] at org.h2.message.DbException.getJdbcSQLException(DbException.java:345) at org.h2.message.DbException.get(DbException.java:168) at org。 h2.mvstore.db.MVTableEngine $商店。在org.h2.mvstore.db.MVTableEngine.init(MVTableEngine.java:99)處, at org.h2.engine.Database.getPageStore(Database.java:2463) at org.h2.engine.Database.open(Database.java:692) at org.h2.engine.Database.openDatabase(Database。 java:270) at org.h2.engine.Database。(Database.java:264) at org.h2.engine.Engine.openSession(Engine.java:64) at org.h2.engine.Engine.openSession (Engine.java:176) at org.h2.engine.Engine.createSessionAndValidate(Engine.java:154) at org.h2.engine.Engine.createSession(Engine.java:137) a t org.h2.engine.Engine.createSession(Engine.java:27) at org.h2.engine.SessionRemote.connectEmbeddedOrServer(SessionRemote.java:349) at org.h2.jdbc.JdbcConnection。(JdbcConnection.java: 118) at org.h2.jdbc.JdbcConnection。(JdbcConnection.java:102) at org.h2.Driver.connect(Driver.java:72) at org.hibernate.engine.jdbc.connections.internal.DriverConnectionCreator .makeConnection(DriverConnectionCreator.java:55) ... 19更多 引起:java.lang.IllegalStateException:文件被鎖定:nio:/Development/hiber/data/contactmgr.mv.db [1.4.192/7 ] at org.h2.mvstore.DataUtils.newIllegalStateException(DataUtils.java:773) at org.h2.mvstore.FileStore.open(FileStore.java:172) 在org.h2.mvstore.MVStore。(MVStore.java:344) at org.h2.mvstore.MVStore $ Builder.open(MVStore.java:2893) at org.h2.mvstore.db.MVTableEngine $ Store 。開(MVTableEngine.java:154) ...... 34多個

這是在利用我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> 

     <!-- Database connection settings --> 
     <property name="connection.driver_class">org.h2.Driver</property> 
     <property name="connection.url">jdbc:h2:./data/contactmgr</property> 


     <property name="hibernate.default_schema">PUBLIC</property> 

     <!-- JDBC connection pool (use the built-in) --> 
     <property name="connection.pool_size">1</property> 

     <!-- SQL dialect --> 
     <property name="dialect">org.hibernate.dialect.H2Dialect</property> 

     <!-- Disable the second-level cache --> 
     <property name="cache.provider_class">org.hibernate.cache.internal.NoCacheProvider</property> 

     <!-- Echo all executed SQL to stdout --> 
     <property name="show_sql">true</property> 

     <!-- Drop and re-create the database schema on startup --> 
     <property name="hbm2ddl.auto">create</property> 

     <property name="show_sql">true</property> 

     <mapping class="com.hibernate.demo.model.Contact"/> 

    </session-factory> 

</hibernate-configuration> 

和下面是我的主類:

public class Application { 

    //Session factory 
    private static final SessionFactory sessionFactory = buildSesssionFactory(); 

    public static void main(String[] args) { 

     Contact contact = new Contact.ContactBuilder("Bob", "marley").withEmail("[email protected]").withPhone(5859789791L).build(); 

     //Open a Session 

     Session session = sessionFactory.openSession(); 

     //Begin a Transaction 
     session.beginTransaction(); 


     //Use the session to save the contact 

     session.save(contact); 
     //Commit the transaction 

     session.getTransaction().commit(); 
     // Close the session 
     session.close(); 
    } 

    private static SessionFactory buildSesssionFactory() { 
     // Create a StandardServiceRegistry 
     Configuration configuration = new Configuration(); 
     configuration.configure("hibernate.cfg.xml"); 
     final ServiceRegistry registry = new StandardServiceRegistryBuilder().applySettings(configuration.getProperties()).build(); 
     return new MetadataSources(registry).buildMetadata().buildSessionFactory(); 

回答

2

拋出此異常b因爲H2數據庫文件已被使用。 (中也許是因爲某些不一致或類似的問題與您數據庫文件)

我建議如下:

  1. 您是否嘗試過簡單地刪除文件,全部屬於它在其他中間文件文件夾?之後,用新的db文件重新啓動應用程序。

  2. 也許你打開了應用程序兩次,從而導致錯誤?關閉所有實例將消除異常。

+1

它被解決了,它是第二個點t在你的解決方案導致它,H2實例在後臺運行,我的應用程序試圖在同一個端口上旋轉一個新的實例,投票。謝謝 – Shek

0

如果你不想讓你的數據庫的任何鎖,你可以配置你的數據庫連接網址如下:

<property name="connection.url">jdbc:h2:./data/contactmgr;DB_CLOSE_ON_EXIT=TRUE;FILE_LOCK=NO</property> 

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