Failed to fetch doc id docId – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-7.9

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Briefly, this error occurs when Elasticsearch is unable to retrieve a document with the specified document ID. This could be due to the document not existing in the index, or the index itself not existing. To resolve this issue, ensure that the document ID is correct and that the document exists in the index. If the index doesn’t exist, you need to create it. Also, check your Elasticsearch cluster’s health status to ensure it’s functioning properly. If the problem persists, consider checking your network connectivity or Elasticsearch logs for more detailed error information.

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This guide will help you check for common problems that cause the log ” Failed to fetch doc id [” + docId + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: search.

Log Context

Log “Failed to fetch doc id [” + docId + “]” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 private void loadStoredFields(SearchShardTarget shardTarget; LeafReaderContext readerContext; FieldsVisitor fieldVisitor; int docId) {
 try {
 readerContext.reader().document(docId; fieldVisitor);
 } catch (IOException e) {
 throw new FetchPhaseExecutionException(shardTarget; "Failed to fetch doc id [" + docId + "]"; e);
 }  private static void fillDocAndMetaFields(SearchContext context; FieldsVisitor fieldsVisitor;
 Map> storedToRequestedFields;


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