log4j:WARN No appenders could be found for logger (org.hibernate.cfg.Environment).

log4j:WARN Please initialize the log4j system properly.

WARNING: An illegal reflective access operation has occurred

WARNING: Illegal reflective access by org.dom4j.io.SAXContentHandler (file:/C:/Users/PC/Desktop/PersonnelManage/lib/dom4j-1.6.1.jar) to method com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser$LocatorProxy.getEncoding()

WARNING: Please consider reporting this to the maintainers of org.dom4j.io.SAXContentHandler

WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations

WARNING: All illegal access operations will be denied in a future release

Exception in thread "AWT-EventQueue-0" org.hibernate.exception.GenericJDBCException: Cannot open connection

at org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:103)

at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:91)

at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43)

at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:29)

at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:426)

at org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:144)

at org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:139)

at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1547)

at org.hibernate.loader.Loader.doQuery(Loader.java:673)

at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:236)

at org.hibernate.loader.Loader.doList(Loader.java:2213)

at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2104)

at org.hibernate.loader.Loader.list(Loader.java:2099)

at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:378)

at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:338)

at org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:172)

at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1121)

at org.hibernate.impl.QueryImpl.list(QueryImpl.java:79)

at com.mwq.hibernate.BaseDao.queryList(BaseDao.java:31)

at com.mwq.hibernate.Dao.queryManagerOfNatural(Dao.java:141)

at com.mwq.frame.LandFrame.<init>(LandFrame.java:100)

at com.mwq.PersonnelManage.land(PersonnelManage.java:32)

at com.mwq.PersonnelManage$1.run(PersonnelManage.java:26)

at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:313)

at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:770)

at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721)

at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:715)

at java.base/java.security.AccessController.doPrivileged(AccessController.java:389)

at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)

at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:740)

at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)

at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)

at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)

at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)

at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)

at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)

Caused by: java.sql.SQLException: IO 異常: Connection refused(DESCRIPTION=(TMP=)(VSNNUM=203424000)(ERR=12505)(ERROR_STACK=(ERROR=(CODE=12505)(EMFI=4))))

at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:134)

at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:179)

at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:333)

at oracle.jdbc.driver.OracleConnection.<init>(OracleConnection.java:404)

at oracle.jdbc.driver.OracleDriver.getConnectionInstance(OracleDriver.java:468)

at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:314)

at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:677)

at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:189)

at org.hibernate.connection.DriverManagerConnectionProvider.getConnection(DriverManagerConnectionProvider.java:110)

at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:423)

... 31 more

看視頻到最後設定 運行後卻出現這個 無法啟動登入畫面

請問各位大師 這是怎麼回事呢