failed to invoke before shard created callback – How to solve related issues

Opster Team

Feb-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you run Elasticsearch Error Check-Up which analyzes 2 JSON files to detect many errors.

To easily locate the root cause and resolve this issue try AutoOps for Elasticsearch & OpenSearch. It diagnoses problems by analyzing hundreds of metrics collected by a lightweight agent and offers guidance for resolving them.

This guide will help you check for common problems that cause the log ” failed to invoke before shard created callback ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: indices and shard.


Log Context

Log “{} failed to invoke before shard created callback” classname is InternalIndicesLifecycle.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

     public void beforeIndexShardCreated(ShardId shardId; Settings indexSettings) {
        for (Listener listener : listeners) {
            try {
                listener.beforeIndexShardCreated(shardId; indexSettings);
            } catch (Throwable t) {
                logger.warn("{} failed to invoke before shard created callback"; t; shardId);
                throw t;
            }
        }
    }





 

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