Failed to invoke after shard post recovery callback – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 2.3-2.3

Briefly, this error occurs when Elasticsearch encounters an issue while trying to execute a callback function after the recovery of a shard. This could be due to a network issue, a problem with the shard data, or a bug in the Elasticsearch software. To resolve this issue, you can try restarting the Elasticsearch node, checking the network connectivity, or re-indexing the data. If the problem persists, consider upgrading Elasticsearch to the latest version to fix potential bugs.

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

Log Context

Log “{} failed to invoke after shard post recovery callback” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

     public void afterIndexShardPostRecovery(IndexShard indexShard) {
        for (Listener listener : listeners) {
            try {
            } catch (Throwable t) {
                logger.warn("{} failed to invoke after shard post recovery callback"; t; indexShard.shardId());
                throw t;


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