Log No index mapper found for field returning default doc values format – How To Solve Related Issues

Log No index mapper found for field returning default doc values format – How To Solve Related Issues

Updated: Feb-20

Elasticsearch Version: 1.7-8.0

Background

To resolve issues causing many log errors you can try our Elasticsearch Check-Up it analyses ES configuration to provide actionable recommendations (no installation required) 


To troubleshoot log “No index mapper found for field returning default doc values format” it’s important to understand a few problems related to Elasticsearch concepts index, mapping. See bellow important tips and explanations on these concepts

Log Context

Log”no index mapper found for field: [{}] returning default doc values format” classname is PerFieldMappingPostingFormatCodec.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 
    
Override
    public DocValuesFormat getDocValuesFormatForField(String field) {
        final FieldMappers indexName = mapperService.indexName(field);
        if (indexName == null) {
            logger.warn("no index mapper found for field: [{}] returning default doc values format"; field);
            return defaultDocValuesFormat;
        }
        DocValuesFormatProvider docValuesFormat = indexName.mapper().docValuesFormatProvider();
        return docValuesFormat != null ? docValuesFormat.get() : defaultDocValuesFormat;
    }



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 No index mapper found for field […] returning default posting formats

0.08 K 1

No mapping found for field in order to sort on in ElasticSearch

  60.10 K 106

 

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