@Override
  public void abort(String why, Throwable e) {
    LOG.error(HBaseMarkers.FATAL, "Abort {} why={}", getServerName(), why, e);
    stop(why);
    this.aborted = true;
  }
Basic mock Server for handler tests.
hbase-server/src/test/java/org/apache/hadoop/hbase/util/MockServer.java