org.eclipse.jface.resource.DeviceResourceException: Unable to create resource UR

org.eclipse.jface.resource.DeviceResourceException: Unable to create resource URLImageDescriptor

原因:cion为空则出现出错

 <extension

         point="org.eclipse.ui.editors">

         <editor

            class="com.kylin.view.TabItemEdit"

            icon="icons/studio2.gif"

            id="com.kylin.view.TabItemEdit"

            name="TabItemEdit">

      </editor>

   </extension>

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