我是 Pentaho 的新手，我正在努力建立一个新的数据库连接。我正在尝试连接到 Oracle 10g 数据库，但每当我测试连接时，都会出现以下错误。它似乎并没有真正列出任何特定的错误消息，所以我不确定该做什么或从这一点开始。
我将 ojdbc jar 放在我的 tomcat lib 文件夹中，但也许还有其他地方应该去。
任何帮助/提示将不胜感激。
Error connecting to database [OFF SSP Cert] : org.pentaho.di.core.exception.KettleDatabaseException:
Error occured while trying to connect to the database
Error connecting to database: (using class oracle.jdbc.driver.OracleDriver)
oracle/dms/instrument/ExecutionContextForJDBC
org.pentaho.di.core.exception.KettleDatabaseException:
Error occured while trying to connect to the database
Error connecting to database: (using class oracle.jdbc.driver.OracleDriver)
oracle/dms/instrument/ExecutionContextForJDBC
org.pentaho.di.core.database.Database.normalConnect(Database.java:366)
org.pentaho.di.core.database.Database.connect(Database.java:315)
org.pentaho.di.core.database.Database.connect(Database.java:277)
org.pentaho.di.core.database.Database.connect(Database.java:267)
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.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$3.run(Unknown Source)
java.security.AccessController.doPrivileged(Native Method)
java.awt.Dialog.show(Unknown Source)
java.awt.Component.show(Unknown Source)
java.awt.Component.setVisible(Unknown Source)
java.awt.Window.setVisible(Unknown Source)
java.awt.Dialog.setVisible(Unknown Source)
org.pentaho.ui.xul.swing.tags.SwingDialog.show(SwingDialog.java:234)
org.pentaho.reporting.ui.datasources.jdbc.ui.XulDatabaseDialog.open(XulDatabaseDialog.java:237)
org.pentaho.reporting.ui.datasources.jdbc.ui.ConnectionPanel$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)
java.awt.Container.dispatchEventImpl(Unknown Source)
java.awt.Window.dispatchEventImpl(Unknown Source)
java.awt.Component.dispatchEvent(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.reporting.ui.datasources.jdbc.ui.JdbcDataSourceDialog.performConfiguration(JdbcDataSourceDialog.java:661)
org.pentaho.reporting.ui.datasources.jdbc.JdbcDataSourcePlugin.performEdit(JdbcDataSourcePlugin.java:67)
org.pentaho.reporting.designer.core.actions.report.AddDataFactoryAction.actionPerformed(AddDataFactoryAction.java:79)