Check for already disposed.

platform/vcs-api/src/com/intellij/openapi/vcs/changes/IgnoredFileBean.java

@@ -131,6 +131,7 @@ public class IgnoredFileBean {
 
   @Nullable
   private VirtualFile doResolve() {
+    if (myProject == null || myProject.isDisposed()) { return null; }
     VirtualFile baseDir = myProject.getBaseDir();
 
     String path = FileUtil.toSystemIndependentName(myPath);

platform/vcs-impl/src/com/intellij/openapi/vcs/changes/ChangesViewManager.java

@@ -210,6 +210,7 @@ public class ChangesViewManager implements ChangesViewI, JDOMExternalizable, Pro
   @Override
   public void scheduleRefresh() {
     if (ApplicationManager.getApplication().isHeadlessEnvironment()) return;
+    if (myProject == null || myProject.isDisposed()) { return; }
     int was = myRepaintAlarm.cancelAllRequests();
     if (LOG.isDebugEnabled()) {
       LOG.debug("schedule refresh, was " + was);