Couldn’t resolve version – Elasticsearch Error How To Solve Related Issues



Couldn’t resolve version – Elasticsearch Error How To Solve Related Issues

Updated: July-20

Elasticsearch Version: 1.7-8.0

 

Before you begin reading this guide, we recommend you try running the Elasticsearch Error Check-Up  which can resolve issues causing many errors 

 

This guide will help you check for common problems that cause the log “Couldn’t resolve version” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the Elasticsearch concepts: version, index.


Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up which analyses ES to discover the cause of many errors and provides suitable actionable recommendations (free tool that requires no installation). 

Log Context

Log”Couldn’t resolve version”classname  is Engine.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

try {
  docIdAndVersion = VersionsAndSeqNoResolver.loadDocIdAndVersion(searcher.getIndexReader(); get.uid(); true);
  } catch (Exception e) {
  Releasables.closeWhileHandlingException(searcher);
  //TODO: A better exception goes here
  throw new EngineException(shardId; "Couldn't resolve version"; e);
  }
 
  if (docIdAndVersion != null) {
  if (get.versionType().isVersionConflictForReads(docIdAndVersion.version; get.version())) {
  Releasables.close(searcher);







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