Could not parse pager duty event template failed to parse field – 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 cannot parse the PagerDuty event template due to incorrect or missing field data. This could be due to a syntax error, incorrect field name, or incompatible data type. To resolve this issue, you should first verify the field name and data type. If they are correct, check the syntax of your template, ensuring it follows the correct format. If the error persists, consider recreating the template, ensuring all required fields are included and correctly formatted.

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This guide will help you check for common problems that cause the log ” could not parse pager duty event template. failed to parse field [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, template.

Log Context

Log “could not parse pager duty event template. failed to parse field [{}]” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 currentFieldName = parser.currentName();
 } else if (Fields.INCIDENT_KEY.match(currentFieldName; parser.getDeprecationHandler())) {
 try {
 incidentKey = TextTemplate.parse(parser);
 } catch (ElasticsearchParseException e) {
 throw new ElasticsearchParseException("could not parse pager duty event template. failed to parse field [{}]";
 } else if (Fields.DESCRIPTION.match(currentFieldName; parser.getDeprecationHandler())) {
 try {
 description = TextTemplate.parse(parser);


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