@Override
  public void emergencyClose() {
    Connection con = connection;
    if (con != null) {
      connection.emergencyClose();
    }
    connection = null;

  }
When a pooled connection is destroyed, it's not destroyed right away, but when it is returned
to the pool.
geode-core/src/main/java/org/apache/geode/cache/client/internal/pooling/PooledConnection.java