throw new IllegalStateException("No Merge engine found."); // NOI18N
}
try {
FileObject fo = FileUtil.toFileObject(file);
handleMergeFor(file, fo, fo.lock(), merge);
} catch (FileAlreadyLockedException e) {
Set<TopComponent> components = TopComponent.getRegistry().getOpened();
for (TopComponent tc : components) {
if (tc.getClientProperty(ResolveConflictsExecutor.class.getName()) != null) {
tc.requestActive();