@Override
  public void basicInvalidate(EntryEventImpl event) throws EntryNotFoundException {
    basicInvalidate(event, isInitialized(), false);
  }
Release the lock on the bucket that makes the bucket stay the primary during a write.
And release/remove the lockObject on the key(s)
geode-core/src/main/java/org/apache/geode/internal/cache/BucketRegion.java