找到了未知的扩展标签：Eclipse Plugin Development

Question

I'm customizing the Eclipse popup menu. I'm not able to run my plugin code in debug mode. When I right click on plugin project -> debug as -> Eclipse Application the eclipse client is launched. But when I want to check my changes its not reflected and I get Error in Console as:

!ENTRY org.eclipse.ui 4 4 2013-07-22 17:47:13.902 !MESSAGE Plugin zsample.menuitem, extension org.eclipse.ui.popupMenus, id zsample.menuitem.popup.actions.NewAction: Unknown extension tag found: actionProvider

My Plugin.xml looks like below:

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.4"?>
<plugin>
  <extension
     point="org.eclipse.ui.popupMenus">
     <actionProvider
                class="zsample.menuitem.popup.actions.NewAction"
                id="zsample.menuitem.popup.actions.NewAction"
                overrides="com.ibm.team.workitem.rcp.ui.internal.actions.AttributeValueSetDropDownAction"
                priority="highest">
            <enablement>
            <!-- A hack to allways be enabled -->
                <not>
                    <systemTest
                            property="MyApp"
                            value="WONT-EVER-BE-SET">
                    </systemTest>
                </not>
            </enablement>
        </actionProvider>
      </extension>
     </plugin>

I'm not sure why my NewAction.java doesn't go in debug mode. And why I'm getting Unknown extension tag found:

Thanks, Munna

Answer 1

As error clearly says, actionProvider is not a valid element for org.eclipse.ui.popupMenus . Valid elements are objectContribution and viewerContribution .

Also note that org.eclipse.ui.popupMenus is deprecated, in future versions it maybe removed. More information about popupMenus can be found here.