Listener failed while handling triggered event – How to solve related issues

Opster Team

Jan-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you run Elasticsearch Error Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” Listener failed while handling triggered event ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

Log “Listener failed while handling triggered event [{}]” classname is SchedulerEngine.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

         for (final Listener listener : listeners) {
            try {
                listener.triggered(event);
            } catch (final Exception e) {
                // do not allow exceptions to escape this method; we should continue to notify listeners and schedule the next run
                logger.warn(new ParameterizedMessage("listener failed while handling triggered event [{}]"; name); e);
            }
        }
    }

    class ActiveSchedule implements Runnable {




 

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