Failed to acquire searcher; source – Elasticsearch Error How To Solve Related Issues



Failed to acquire searcher; source – 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 “failed to acquire searcher; source” 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: source, 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”failed to acquire searcher; source”classname  is Engine.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

throw ex;
  } catch (Exception ex) {
  maybeFailEngine("acquire_searcher"; ex);
  ensureOpen(ex); // throw EngineCloseException here if we are already closed
  logger.error(() -> new ParameterizedMessage("failed to acquire searcher; source {}"; source); ex);
  throw new EngineException(shardId; "failed to acquire searcher; source " + source; ex);
  } finally {
  Releasables.close(releasable);
  }
  }

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 Error in Elasticsearch logs: index.engine indexname [0] failed to …  

Error in Elasticsearch logs: index.engine indexname [0] failed to …  



Find Configuration Errors

Analyze Now