PostDeleteUnderLock listener failed – 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 delete a document under a lock. This could be due to a variety of reasons such as insufficient permissions, a network issue, or a problem with the underlying storage. To resolve this issue, you can try the following: 1) Check and ensure that the Elasticsearch process has the necessary permissions to delete the document. 2) Verify the network connectivity between the Elasticsearch nodes. 3) Inspect the underlying storage for any issues and fix them if necessary.

This guide will help you check for common problems that cause the log ” postDeleteUnderLock listener [{}] failed ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: delete, index, indexing and shard.

Log Context

Log “postDeleteUnderLock listener [{}] failed” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

     public void postDeleteUnderLock(Engine.Delete delete) {
        for (IndexingOperationListener listener : listeners) {
            try {
            } catch (Exception e) {
                logger.warn("postDeleteUnderLock listener [{}] failed"; e; listener);

    public void postDelete(Engine.Delete delete) {


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