Unable to parse composable template – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.9-8.9

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Briefly, this error occurs when Elasticsearch is unable to parse a composable index template due to incorrect syntax or structure. This could be due to invalid JSON format, incorrect field names, or unsupported settings. To resolve this issue, you should first validate your JSON format using a JSON validator. Next, ensure that all field names and settings are correctly spelled and supported in your Elasticsearch version. If the error persists, try to simplify your template or break it down into smaller parts to isolate the problematic section.

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This guide will help you check for common problems that cause the log ” unable to parse composable template ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, template.

Log Context

Log “unable to parse composable template” class name is AbstractAuditor.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 ComposableIndexTemplate.parse(
 JsonXContent.jsonXContent.createParser(XContentParserConfiguration.EMPTY; templateConfig.loadBytes())
 )
 ).masterNodeTimeout(MASTER_TIMEOUT);
 } catch (IOException e) {
 throw new ElasticsearchParseException("unable to parse composable template " + templateConfig.getTemplateName(); e);
 }
 }; nodeName; messageFactory; clusterService);
 }  protected AbstractAuditor(

 

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