Fix "The application has not been initialized." after shutdown

to "The application is already stopped."

As seen logged at the end of many junit tests.

Author: Jörg Kubitz

runtime/bundles/org.eclipse.core.runtime/src/org/eclipse/core/internal/runtime/InternalPlatform.java

@@ -102,6 +102,7 @@ public final class InternalPlatform {
 
 	private boolean splashEnded = false;
 	private volatile boolean initialized;
+	private volatile boolean stopped;
 	private static final String KEYRING = "-keyring"; //$NON-NLS-1$
 	private String keyringFile;
 
@@ -182,8 +183,13 @@ public void addLogListener(ILogListener listener) {
 
 	private void assertInitialized() {
 		//avoid the Policy.bind if assertion is true
-		if (!initialized)
-			Assert.isTrue(false, Messages.meta_appNotInit);
+		if (!initialized) {
+			if (stopped) {
+				Assert.isTrue(false, "The application is already stopped."); //$NON-NLS-1$
+			} else {
+				Assert.isTrue(false, Messages.meta_appNotInit);
+			}
+		}
 	}
 
 	/**
@@ -692,6 +698,7 @@ public void stop(BundleContext bundleContext) {
 		initialized = false;
 		closeOSGITrackers();
 		context = null;
+		stopped = true;
 	}
 
 	private void openOSGiTrackers() {