public void trigger() {
    synchronized (timerTask) {
      if (this.complete) {
        LOG.warn("Timer already completed, not triggering.");
        return;
      }
      LOG.debug("Triggering timer immediately!");
      this.timer.cancel();
      this.timerTask.run();
    }
  }
Trigger the timer immediately.
<p>
Exposed for testing.
hbase-server/src/main/java/org/apache/hadoop/hbase/errorhandling/TimeoutExceptionInjector.java