application.ResourceMap$LookupException: string conversion failed
        at application.ResourceMap.getObject(ResourceMap.java:664)
        at org.netbeans.modules.swingapp.ProxyAction.getResource(ProxyAction.java:131)
        at org.netbeans.modules.swingapp.ProxyAction.loadFromResourceMap(ProxyAction.java:114)
        at org.netbeans.modules.swingapp.ActionEditor.scanForActions(ActionEditor.java:229)
        at org.netbeans.modules.swingapp.ActionEditor.getCustomEditor(ActionEditor.java:123)
        at org.netbeans.modules.form.FormPropertyEditor.getCustomEditor(FormPropertyEditor.java:262)
        at org.openide.explorer.propertysheet.PropertyDialogManager.<init>(PropertyDialogManager.java:104)
        at org.openide.explorer.propertysheet.CustomEditorAction.actionPerformed(CustomEditorAction.java:194)
        at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
        at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
        at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
        at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
        at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
        at java.awt.Component.processMouseEvent(Component.java:6038)
        at javax.swing.JComponent.processMouseEvent(JComponent.java:3260)
        at java.awt.Component.processEvent(Component.java:5803)
        at java.awt.Container.processEvent(Container.java:2058)
        at java.awt.Component.dispatchEventImpl(Component.java:4410)
        at java.awt.Container.dispatchEventImpl(Container.java:2116)
        at java.awt.Component.dispatchEvent(Component.java:4240)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4322)
        at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3986)
        at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3916)
        at java.awt.Container.dispatchEventImpl(Container.java:2102)
        at java.awt.Window.dispatchEventImpl(Window.java:2429)
        at java.awt.Component.dispatchEvent(Component.java:4240)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
[catch] at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)
Caused by: application.ResourceConverter$ResourceConverterException: couldn't find Icon resource "desktopapplication1/resources/D:\icons\diretion\left.gif" string: "D:\icons\diretion\left.gif"
        at application.ResourceMap$IconStringConverter.parseString(ResourceMap.java:207)
        at application.ResourceMap.getObject(ResourceMap.java:659)
        ... 32 more