How To Solve Issues Related to Log – No index mapper found for field: returning default postings format

How To Solve Issues Related to Log – No index mapper found for field: returning default postings format

Updated: Jan-20

Elasticsearch Version: 1.7-8.0

Background

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To troubleshoot log “No index mapper found for field: returning default postings 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 postings format” classname is PerFieldMappingPostingFormatCodec.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 
    
Override
    public PostingsFormat getPostingsFormatForField(String field) {
        final MappedFieldType fieldType = mapperService.fullName(field);
        if (fieldType == null) {
            logger.warn("no index mapper found for field: [{}] returning default postings format"; field);
        } else if (fieldType instanceof CompletionFieldMapper.CompletionFieldType) {
            return CompletionFieldMapper.CompletionFieldType.postingsFormat();
        }
        return super.getPostingsFormatForField(field);
    }



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

Github Issue Number 4876  

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