How To Solve Issues Related to Log – Missing meta field in mapping of index

How To Solve Issues Related to Log – Missing meta field in mapping of index

Updated: Jan-20

Elasticsearch Version: 1.7-8.0

Background

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To troubleshoot log “Missing meta field in mapping of index” it’s important to understand a few problems related to Elasticsearch concepts index, mapping, plugin. See bellow important tips and explanations on these concepts

Log Context

Log”Missing _meta field in mapping [{}] of index [{}]” classname is IndexAuditTrail.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                 }
            } else {
                
SuppressWarnings("unchecked")
                Map meta = (Map) docMapping.sourceAsMap().get("_meta");
                if (meta == null) {
                    logger.warn("Missing _meta field in mapping [{}] of index [{}]"; docMapping.type(); index);
                    if (indexToRemoteCluster || state.nodes().isLocalNodeElectedMaster() || hasStaleMessage()) {
                        putAuditIndexMappingsAndStart(index; nextIndex);
                    } else {
                        logger.debug("audit index [{}] is missing _meta for type [{}]"; index; DOC_TYPE);
                        transitionStartingToInitialized();



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 Elasticsearch : Root mapping definition has unsupported parameters index : not_analyzed 58.89 K 46

Sticsearch Always Returning Mapping  

_meta field in elasticsearch usage?

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