private void initializationFailed(LocalRegion subregion) {
    synchronized (subregionsLock) {
      subregions.remove(subregion.getName());
    }
    subregion.cleanupFailedInitialization();
  }
Cleans up any resources that may have been allocated for this region during its initialization.
geode-core/src/main/java/org/apache/geode/internal/cache/LocalRegion.java