Bug 47150 [Progress] ProgressMonitorJobsDialog used on shutdown
build I20031119-2030 On shutdown, a ProgressMonitorJobsDialog is used when saving the workspace. This is opened with fork=false and cancelable=false. fork=false means the UI is not processing events, so the Jobs button is unresponsive.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/IDEWorkbenchAdvisor.java
String pluginId = feature.getFeaturePluginIdentifier();
			if (pluginId == null) {
				continue;
			}
			String id = feature.getFeatureIdentifier();
			String version = feature.getFeatureVersion();
			String normalizedVersion = "0.0.0"; 
			if (version != null) {
				
				PluginVersionIdentifier vid = new PluginVersionIdentifier(version);
				normalizedVersion = vid.toString();
			}
			String versionedId = id + ":" + normalizedVersion; 
			ids.add(versionedId);
		}
		return ids;
	}
	
	/**
	 * Returns the set of versioned feature ids from previous session.
	 * 
	 * @return set of versioned feature ids (element type: <code>String</code>)
	 */
	private Set getPreviousFeatures() {
		Assert.isNotNull(previousFeatures);
		return previousFeatures;
	}
	
	/**