Could not parse trigger event for for watch expected trigger an object as – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-7.15

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Briefly, this error occurs when Elasticsearch is unable to parse the trigger event for a specific watch. This is usually due to a malformed or incorrect configuration in the watch definition. To resolve this issue, you should review the watch definition and ensure that the trigger event is correctly formatted. Make sure that the trigger is an object and follows the correct syntax. If the error persists, try to recreate the watch with a correct configuration.

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This guide will help you check for common problems that cause the log ” could not parse trigger event for [{}] for watch [{}]. expected trigger an object as ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “could not parse trigger event for [{}] for watch [{}]. expected trigger an object as” class name is TriggerService.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 "field; but found [{}]"; context; watchId; token);
 }
 String type = parser.currentName();
 token = parser.nextToken();
 if (token != XContentParser.Token.START_OBJECT) {
 throw new ElasticsearchParseException("could not parse trigger event for [{}] for watch [{}]. expected trigger an object as " +
 "the trigger body; but found [{}]"; context; watchId; token);
 }
 TriggerEvent trigger = parseTriggerEvent(watchId; context; type; parser);
 token = parser.nextToken();
 if (token != XContentParser.Token.END_OBJECT) {

 

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