Operation only allowed when shard is active – Elasticsearch Error How To Solve Related Issues



Operation only allowed when shard is active – 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 “operation only allowed when shard is active” 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: shard, 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”operation only allowed when shard is active”classname  is IndexShard.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

}
 
  protected final void verifyActive() throws IllegalIndexShardStateException {
  IndexShardState state = this.state; // one time volatile read
  if (state != IndexShardState.STARTED) {
  throw new IllegalIndexShardStateException(shardId; state; "operation only allowed when shard is active");
  }
  }
 
  /**
  * Returns number of heap bytes used by the indexing buffer for this shard; or 0 if the shard is closed

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 read and write consistency -views 13,280 ,score 23

ElasticSearch randomly fails when running tests -views   318,score 1



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