java.sql.SQLException: Io exception: The Network Adapter could not establish the connection

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Io exception: The Network Adapter could not establish the connection
java.sql.SQLException: Io exception: The Network Adapter could not establish the connection
at oracle.dss.connection.server.drivers.mdm.MDMPluggableConnectionDriverImpl.connectToDatabase(MDMPluggableConnectionDriverImpl.java:141)
at oracle.dss.connection.server.drivers.mdm.MDMPluggableConnectionDriverImpl.connect(MDMPluggableConnectionDriverImpl.java:40)
at oracle.dss.connection.server.drivers.mdm.MDMConnectionDriverImpl.connect(MDMConnectionDriverImpl.java:149)
at oracle.dss.connection.server.ConnectionImpl.connect(ConnectionImpl.java:286)
at oracle.dss.connection.client.Connection.connect(Connection.java:409)
at oracle.dss.connection.client.Connection.connect(Connection.java:326)
at oracle.dss.metadataManager.client.MetadataManager.setConnectionObjects(MetadataManager.java:3997)
at oracle.dss.metadataManager.client.MetadataManager.attach(MetadataManager.java:862)
at oracle.dss.metadataManager.client.MetadataManager.attach(MetadataManager.java:799)
at oracle.dss.datautil.client.XMLManagerFactory.createQueryManager(XMLManagerFactory.java:187)
at oracle.dss.datautil.client.ManagerFactoryImpl.lookupQueryManager(ManagerFactoryImpl.java:176)
at oracle.dss.datautil.client.ManagerFactoryImpl.lookupMetadataManager(ManagerFactoryImpl.java:219)
at oracle.dss.datautil.client.ManagerFactoryImpl.lookupManager(ManagerFactoryImpl.java:128)
at samples.javaclient.bootstrap.BIFrame.connect(BIFrame.java:198)
at samples.javaclient.linkingPresentations.BILinking.connect(BILinking.java:192)
at samples.javaclient.bootstrap.BIFrame$9.actionPerformed(BIFrame.java:537)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1786)
at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(AbstractButton.java:1839)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258)
at javax.swing.plaf.basic.BasicButtonListener$ReleasedAction.actionPerformed(BasicButtonListener.java:301)
at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1530)
at javax.swing.JComponent.processKeyBinding(JComponent.java:2438)
at javax.swing.JComponent.processKeyBindings(JComponent.java:2473)
at javax.swing.JComponent.processKeyEvent(JComponent.java:2401)
at java.awt.Component.processEvent(Component.java:4909)
at java.awt.Container.processEvent(Container.java:1569)
at java.awt.Component.dispatchEventImpl(Component.java:3615)
at java.awt.Container.dispatchEventImpl(Container.java:1627)
at java.awt.Component.dispatchEvent(Component.java:3477)
at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1713)
at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:627)
at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:831)
at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:741)
at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:592)
at java.awt.Component.dispatchEventImpl(Component.java:3506)
at java.awt.Container.dispatchEventImpl(Container.java:1627)
at java.awt.Window.dispatchEventImpl(Window.java:1606)
at java.awt.Component.dispatchEvent(Component.java:3477)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:456)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:100)

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