[英]Hibernate 4.2.2 session factory error
所以最近我在做一個項目,我在用mysql數據庫使用hibernate。
設置完之后,我想測試dao,但是運行測試時,出現此錯誤:
log4j:WARN No appenders could be found for logger (org.jboss.logging).
log4j:WARN Please initialize the log4j system properly.
Exception in thread "main" java.lang.NoSuchFieldError: TRACE
at org.jboss.logging.Log4jLogger.translate(Log4jLogger.java:64)
at org.jboss.logging.Log4jLogger.isEnabled(Log4jLogger.java:39)
at org.jboss.logging.Logger.logv(Logger.java:1953)
at org.hibernate.internal.CoreMessageLogger_$logger.tracev(CoreMessageLogger_$logger.java:450)
at org.hibernate.cfg.EJB3DTDEntityResolver.resolveEntity(EJB3DTDEntityResolver.java:58)
at com.sun.org.apache.xerces.internal.util.EntityResolverWrapper.resolveEntity(EntityResolverWrapper.java:110)
at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.resolveEntityAsPerStax(XMLEntityManager.java:994)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$DTDDriver.dispatch(XMLDocumentScannerImpl.java:1154)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$DTDDriver.next(XMLDocumentScannerImpl.java:1050)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(XMLDocumentScannerImpl.java:964)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:606)
at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:117)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:510)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:848)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:777)
at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1213)
at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:649)
at org.dom4j.io.SAXReader.read(SAXReader.java:465)
at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:2067)
at org.hibernate.cfg.Configuration.configure(Configuration.java:1987)
at example.Utils.SessionFactorySingleton.createSession(SessionFactorySingleton.java:19)
at example.Utils.SessionFactorySingleton.getSessionFactory(SessionFactorySingleton.java:30)
at example.dao.BookDaoImpl.<init>(BookDaoImpl.java:17)
at example.Main.main(Main.java:15)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:140)
我已經在網上搜索,沒有找到解決方案。 我覺得這與休眠並不真正相關,但我想確定一下。
這是我的SessionFactorySingleton:
public class SessionFactorySingleton {
private static SessionFactory sessionFactory;
private static void createSession() {
try {
Configuration configuration = new Configuration();
configuration.configure("hibernate.cfg.xml");
ServiceRegistry serviceRegistry = new ServiceRegistryBuilder().applySettings(configuration.getProperties()).buildServiceRegistry();
sessionFactory = configuration.buildSessionFactory(serviceRegistry);
} catch (HibernateException he) {
System.err.println("Error creating Session: " + he);
throw new ExceptionInInitializerError(he);
}
}
public static SessionFactory getSessionFactory() {
if (sessionFactory == null)
createSession();
return sessionFactory;
}
}
您是否在項目依賴項中添加了任何日志記錄框架? 可能這是記錄器兼容性問題。 請檢查添加的記錄器與Hibernate兼容。
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.