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java.lang.ClassNotFoundException: java.io.IOException: open HTTP connection failed.	at sun.applet.AppletClassLoader.getBytes(Unknown Source)	at sun.applet.AppletClassLoader.access$100(Unknown Source)	at sun.applet.AppletClassLoader$1.run(Unknown Source)	at java.security.AccessController.doPrivileged(Native Method)	at sun.applet.AppletClassLoader.findClass(Unknown Source)	at sun.plugin.security.PluginClassLoader.findClass(Unknown Source)	at java.lang.ClassLoader.loadClass(Unknown Source)	at sun.applet.AppletClassLoader.loadClass(Unknown Source)	at java.lang.ClassLoader.loadClass(Unknown Source)	at java.lang.ClassLoader.loadClassInternal(Unknown Source)	at java.lang.Class.forName0(Native Method)	at java.lang.Class.forName(Unknown Source)	at oracle.forms.handler.UICommon.instantiate(Unknown Source)	at oracle.forms.handler.UICommon.onCreate(Unknown Source)	at oracle.forms.handler.TextFieldItem.onCreate(Unknown Source)	at oracle.forms.engine.Runform.onCreateHandler(Unknown Source)	at oracle.forms.engine.Runform.processMessage(Unknown Source)	at oracle.forms.engine.Runform.processSet(Unknown Source)	at oracle.forms.engine.Runform.onMessageReal(Unknown Source)	at oracle.forms.engine.Runform.onMessage(Unknown Source)	at oracle.forms.handler.LogonDialog.actionPerformed(Unknown Source)	at oracle.ewt.button.PushButton.processActionEvent(Unknown Source)	at oracle.ewt.button.PushButton.processEventImpl(Unknown Source)	at oracle.ewt.lwAWT.LWComponent.redispatchEvent(Unknown Source)	at oracle.ewt.lwAWT.LWComponent.processEvent(Unknown Source)	at oracle.ewt.button.PushButton.activate(Unknown Source)	at oracle.ewt.lwAWT.AbstractButton._processKeyPress(Unknown Source)	at oracle.ewt.lwAWT.AbstractButton.processKeyEvent(Unknown Source)	at java.awt.Component.processEvent(Unknown Source)	at java.awt.Container.processEvent(Unknown Source)	at oracle.ewt.lwAWT.LWComponent.processEventImpl(Unknown Source)	at oracle.ewt.button.PushButton.processEventImpl(Unknown Source)	at oracle.ewt.lwAWT.LWComponent.redispatchEvent(Unknown Source)	at oracle.ewt.lwAWT.LWComponent.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.processKeyEvent(Unknown Source)	at java.awt.LightweightDispatcher.dispatchEvent(Unknown 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.pumpOneEventForHierarchy(Unknown Source)	at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)	at java.awt.EventDispatchThread.run(Unknown Source)