Add logging

platform/platform-impl/src/com/intellij/notification/impl/NotificationsManagerImpl.java

@@ -29,6 +29,7 @@ import com.intellij.openapi.application.Application;
 import com.intellij.openapi.application.ApplicationManager;
 import com.intellij.openapi.application.ModalityState;
 import com.intellij.openapi.application.ex.ApplicationEx;
+import com.intellij.openapi.diagnostic.Logger;
 import com.intellij.openapi.project.DumbAwareRunnable;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.project.ProjectManager;
@@ -91,6 +92,8 @@ public class NotificationsManagerImpl extends NotificationsManager {
   public static final Color FILL_COLOR = new JBColor(Gray._242, new Color(78, 80, 82));
   public static final Color BORDER_COLOR = new JBColor(Gray._178.withAlpha(205), new Color(86, 90, 92, 205));
 
+  private static final Logger LOG = Logger.getInstance("#com.intellij.notification.impl.NotificationsManagerImpl");
+
   public NotificationsManagerImpl() {
     MessageBusConnection connection = ApplicationManager.getApplication().getMessageBus().connect();
     connection.subscribe(Notifications.TOPIC, new MyNotificationListener(null));
@@ -182,6 +185,14 @@ public class NotificationsManagerImpl extends NotificationsManager {
       default:
         Balloon balloon = notifyByBalloon(notification, type, project);
         if (project == null || project.isDefault()) {
+          LOG.warn("Wrong project: " +
+                   project +
+                   " for notification: " +
+                   notification.getGroupId() +
+                   ", " +
+                   notification.getTitle() +
+                   ", " +
+                   notification.getContent());
           return;
         }
         if (!settings.isShouldLog() || type == NotificationDisplayType.STICKY_BALLOON) {