Unknown trigger type – Elasticsearch Error How To Solve Related Issues

Unknown trigger type – Elasticsearch Error How To Solve Related Issues

Updated: July-20

Elasticsearch Version: 1.7-8.0

Before you begin reading this guide, we recommend you try running the Elasticsearch Error Check-Up  which can resolve issues causing many errors 


This guide will help you check for common problems that cause the log “Unknown trigger type” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the Elasticsearch concepts: plugin.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up which analyses ES to discover the cause of many errors and provides suitable actionable recommendations (free tool that requires no installation). 

Log Context

Log”Unknown trigger type [{}]”classname  is TriggerService.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

  public TriggerEvent parseTriggerEvent(String watchId; String context; String type; XContentParser parser) throws IOException {
  TriggerEngine engine = engines.get(type);
  if (engine == null) {
  throw new ElasticsearchParseException("Unknown trigger type [{}]"; type);
  return engine.parseTriggerEvent(this; watchId; context; parser);
  public long count() {

Related issues to this log

We have gathered selected Q&A from the community and issues from Github, that can help fix related issues please review the following for further information :

1 elasticsearch 5: Unknown key for a START_OBJECT in [filters] -views 38,053 ,score 19

Unknown input type [condition] – Elasticsearch – Discuss the Elastic …  

Find Configuration Errors

Analyze Now