log4j:WARN No appenders could be found for logger (org.hibernate.cfg.Environment).
log4j:WARN Please initialize the log4j system properly.
Exception in thread "main" org.hibernate.HibernateException: Hibernate Dialect must be explicitly set
at org.hibernate.dialect.DialectFactory.determineDialect(DialectFactory.java:80)
at org.hibernate.dialect.DialectFactory.buildDialect(DialectFactory.java:62)
at org.hibernate.cfg.SettingsFactory.determineDialect(SettingsFactory.java:460)
at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:155)
at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2101)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1325)
at com.ssh.db.Hibernate.main(Hibernate.java:25)
log4j:WARN Please initialize the log4j system properly.
Exception in thread "main" org.hibernate.HibernateException: Hibernate Dialect must be explicitly set
at org.hibernate.dialect.DialectFactory.determineDialect(DialectFactory.java:80)
at org.hibernate.dialect.DialectFactory.buildDialect(DialectFactory.java:62)
at org.hibernate.cfg.SettingsFactory.determineDialect(SettingsFactory.java:460)
at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:155)
at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2101)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1325)
at com.ssh.db.Hibernate.main(Hibernate.java:25)
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log4j:WARN Please initialize the log4j system properly.
Exception in thread "main" org.hibernate.InvalidMappingException: Could not parse mapping document from resource com/ssh/db/GusetBook.hbm.xml
at org.hibernate.cfg.Configuration.addResource(Configuration.java:602)
at org.hibernate.cfg.Configuration.parseMappingElement(Configuration.java:1621)
at org.hibernate.cfg.Configuration.parseSessionFactory(Configuration.java:1589)
at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1568)
at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1542)
at org.hibernate.cfg.Configuration.configure(Configuration.java:1462)
at org.hibernate.cfg.Configuration.configure(Configuration.java:1448)
at com.ssh.db.Hibernate.main(Hibernate.java:23)
Caused by: org.hibernate.MappingException: class com.ssh.db.GuestBook not found while looking for property: id
at org.hibernate.util.ReflectHelper.reflectedPropertyClass(ReflectHelper.java:97)
at org.hibernate.mapping.SimpleValue.setTypeUsingReflection(SimpleValue.java:302)
at org.hibernate.cfg.HbmBinder.bindSimpleId(HbmBinder.java:423)
at org.hibernate.cfg.HbmBinder.bindRootPersistentClassCommonValues(HbmBinder.java:356)
at org.hibernate.cfg.HbmBinder.bindRootClass(HbmBinder.java:295)
at org.hibernate.cfg.HbmBinder.bindRoot(HbmBinder.java:166)
at org.hibernate.cfg.Configuration.add(Configuration.java:702)
at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:537)
at org.hibernate.cfg.Configuration.addResource(Configuration.java:599)
... 7 more
Caused by: java.lang.ClassNotFoundException: com.ssh.db.GuestBook
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:169)
at org.hibernate.util.ReflectHelper.classForName(ReflectHelper.java:123)
at org.hibernate.util.ReflectHelper.reflectedPropertyClass(ReflectHelper.java:93)
... 15 more
说明你使用的是xml配置文件,不是property文件, 同时你也没有调用 XXConfiguration()的configure()方法,该方法才可以从xml文件中初始化Hibernate配置.