@Override
  public String toString() {
    return getClass().getSimpleName() + "[" + "container="
        + getTheContext() + "; regionName=" + regionName
        + "; regionAttributesId=" + regionAttributesId + "]";
  }
Clear the local cache to avoid ClassCastException if container is being reloaded.
extensions/geode-modules/src/main/java/org/apache/geode/modules/session/catalina/DeltaSessionManager.java