Error en pentaho report designer

[luciano verri]

Hola soy nuevo en esto, no soy de exponer en los foros pero este error me tiene mal,  no logro solucionarlo, lo que tengo instalado en mi maquina local es SO. windows xp service pack 3, y pentaho Enterprice Edition 3.8.0, java(TM)7,java(TM)6 Update 19,java(TM) SE Development kit 6

Intente bajar drivers jdbc de oracle y colocarlos en la carpeta deport designer /lib/jbdc, pero igual no funciono.

 

Lo que intento es crear un reporte, conectandome a un server por una vpn.

bueno les expongo el error que sale cuando apreto el boton de test conection:

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Error al conectar a la base de datos [nom] :org.pentaho.di.core.exception.KettleDatabaseException:
Error occured while trying to connect to the database

Exception while loading class
oracle.jdbc.driver.OracleDriver

org.pentaho.di.core.exception.KettleDatabaseException:
Error occured while trying to connect to the database

Exception while loading class
oracle.jdbc.driver.OracleDriver

org.pentaho.di.core.database.Database.normalConnect(Database.java:370)
org.pentaho.di.core.database.Database.connect(Database.java:319)
org.pentaho.di.core.database.Database.connect(Database.java:281)
org.pentaho.di.core.database.Database.connect(Database.java:271)
org.pentaho.di.core.database.DatabaseFactory.getConnectionTestReport(DatabaseFactory.java:76)
org.pentaho.di.core.database.DatabaseMeta.testConnection(DatabaseMeta.java:2443)
org.pentaho.ui.database.event.DataHandler.testDatabaseConnection(DataHandler.java:510)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
java.lang.reflect.Method.invoke(Unknown Source)
org.pentaho.ui.xul.impl.AbstractXulDomContainer.invoke(AbstractXulDomContainer.java:329)
org.pentaho.ui.xul.swing.tags.SwingButton$OnClickRunnable.run(SwingButton.java:58)
java.awt.event.InvocationEvent.dispatch(Unknown Source)
java.awt.EventQueue.dispatchEventImpl(Unknown Source)
java.awt.EventQueue.access$000(Unknown Source)
java.awt.EventQueue$1.run(Unknown Source)
java.awt.EventQueue$1.run(Unknown Source)
java.security.AccessController.doPrivileged(Native Method)
java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
java.awt.EventQueue.dispatchEvent(Unknown Source)
java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
java.awt.Dialog$1.run(Unknown Source)
java.awt.Dialog$3.run(Unknown Source)
java.security.AccessController.doPrivileged(Native Method)
java.awt.Dialog.show(Unknown Source)
java.awt.Component.show(Unknown Source)
java.awt.Component.setVisible(Unknown Source)
java.awt.Window.setVisible(Unknown Source)
java.awt.Dialog.setVisible(Unknown Source)
org.pentaho.ui.xul.swing.tags.SwingDialog.show(SwingDialog.java:234)
org.pentaho.reporting.ui.datasources.jdbc.ui.XulDatabaseDialog.open(XulDatabaseDialog.java:256)
org.pentaho.reporting.ui.datasources.jdbc.ui.ConnectionPanel$EditDataSourceAction.actionPerformed(ConnectionPanel.java:162)
javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
javax.swing.DefaultButtonModel.setPressed(Unknown Source)
javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)
java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)
java.awt.Component.processMouseEvent(Unknown Source)
javax.swing.JComponent.processMouseEvent(Unknown Source)
java.awt.Component.processEvent(Unknown Source)
java.awt.Container.processEvent(Unknown Source)
java.awt.Component.dispatchEventImpl(Unknown Source)
java.awt.Container.dispatchEventImpl(Unknown Source)
java.awt.Component.dispatchEvent(Unknown Source)
java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)

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.el error sigue es mucho mas