Thread: Jar file does not work with database (Hibernate)

I have created an application using hibernate... It works fine with database when I run it through Netbeans. But when I build application (using Clean and Build tool) it does not work with database.

Error:

WARNING: SQL Error: 40000, SQLState: 08001
May 21, 2010 4:25:11 PM org.hibernate.util.JDBCExceptionReporter logExceptions
SEVERE: java.net.ConnectException : Error connecting to server localhost on port
1527 with message Connection refused: connect.
Exception in thread "AWT-EventQueue-0"    
org.hibernate.exception.JDBCConnectionException: **Cannot open connection**
at org.hibernate.exception.SQLStateConverter.convert( SQLStateConverter.java:74)
at org.hibernate.exception.JDBCExceptionHelper.conver t(JDBCExceptionHelper.java:43)
at org.hibernate.exception.JDBCExceptionHelper.conver t(JDBCExceptionHelper.java:29)
at org.hibernate.jdbc.ConnectionManager.openConnectio n(ConnectionManager.java:426)
at org.hibernate.jdbc.ConnectionManager.getConnection (ConnectionManager.java:144)
at org.hibernate.jdbc.AbstractBatcher.prepareQuerySta tement(AbstractBatcher.java:139)
at org.hibernate.loader.Loader.prepareQueryStatement( Loader.java:1547)
at org.hibernate.loader.Loader.doQuery(Loader.java:67 3)
at org.hibernate.loader.Loader.doQueryAndInitializeNo nLazyCollections(Loader.java:236)
at org.hibernate.loader.Loader.doList(Loader.java:222 0)
at org.hibernate.loader.Loader.listIgnoreQueryCache(L oader.java:2104)
at org.hibernate.loader.Loader.list(Loader.java:2099)
at org.hibernate.loader.hql.QueryLoader.list(QueryLoa der.java:378)
at org.hibernate.hql.ast.QueryTranslatorImpl.list(Que ryTranslatorImpl.java:338)
at org.hibernate.engine.query.HQLQueryPlan.performLis t(HQLQueryPlan.java:172)
at org.hibernate.impl.SessionImpl.list(SessionImpl.ja va:1121)
at org.hibernate.impl.QueryImpl.list(QueryImpl.java:7 9)
at ajmalispatientdatamanager.StartPage.searchMethod(S tartPage.java:852)
at ajmalispatientdatamanager.StartPage.SearchBtnActio nPerformed(StartPage.java:599)
at ajmalispatientdatamanager.StartPage.access$900(Sta rtPage.java:33)
at ajmalispatientdatamanager.StartPage$8.actionPerfor med(StartPage.java:382)
at javax.swing.AbstractButton.fireActionPerformed(Unk nown Source)
at javax.swing.AbstractButton$Handler.actionPerformed (Unknown Source)
at javax.swing.DefaultButtonModel.fireActionPerformed (Unknown Source)
at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
at javax.swing.plaf.basic.BasicButtonListener.mouseRe leased(Unknown Source)
at java.awt.Component.processMouseEvent(Unknown Source)
at javax.swing.JComponent.processMouseEvent(Unknown Source)
at java.awt.Component.processEvent(Unknown Source)
at java.awt.Container.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.LightweightDispatcher.retargetMouseEvent( Unknown Source)
at java.awt.LightweightDispatcher.processMouseEvent(U nknown Source)
at java.awt.LightweightDispatcher.dispatchEvent(Unkno wn Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Window.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilter s(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(U nknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarch y(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
Caused by: java.sql.SQLNonTransientConnectionException: java.net.ConnectException :   
Error connecting to server localhost on port 1527 with message Connection refused: 
connect.
at org.apache.derby.client.am.SQLExceptionFactory40.g etSQLException(Unknown Source)
at org.apache.derby.client.am.SqlException.getSQLExce ption(Unknown Source)
at org.apache.derby.jdbc.ClientDriver.connect(Unknown Source)
at java.sql.DriverManager.getConnection(Unknown Source)
at java.sql.DriverManager.getConnection(Unknown Source)
at org.hibernate.connection.DriverManagerConnectionPr   
ovider.getConnection(DriverManagerConnectionProvid er.java:110)
at org.hibernate.jdbc.ConnectionManager.openConnectio n(ConnectionManager.java:423)
 ... 42 more
Caused by: org.apache.derby.client.am.DisconnectException: java.net.ConnectException : 
Error connecting to server localhost on port 1527 with message Connection refused:   
connect.
at org.apache.derby.client.net.NetAgent.<init>(Unknow n Source)
at org.apache.derby.client.net.NetConnection.newAgent _(Unknown Source)
at org.apache.derby.client.am.Connection.<init>(Unkno wn Source)
at org.apache.derby.client.net.NetConnection.<init>(U nknown Source)
at org.apache.derby.client.net.NetConnection40.<init> (Unknown Source)
at org.apache.derby.client.net.ClientJDBCObjectFactor yImpl40.newNetConnection(Unknown 
Source)
... 47 more
Caused by: java.net.ConnectException: Connection refused: connect
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(Unknown Source)
at java.net.PlainSocketImpl.connectToAddress(Unknown Source)
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.<init>(Unknown Source)
at java.net.Socket.<init>(Unknown Source)
at javax.net.DefaultSocketFactory.createSocket(Unknow n Source)
at org.apache.derby.client.net.OpenSocketAction.run(U nknown Source)
at java.security.AccessController.doPrivileged(Native Method)
... 53 more

Please Help Me. Please Help Me.

no anybody answer to my question?