PreDelete listener listener failed – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 8.3-8.9

Briefly, this error occurs when the PreDelete listener in Elasticsearch fails to execute its function. This could be due to a variety of reasons such as a faulty plugin, a network issue, or a problem with the Elasticsearch cluster itself. To resolve this issue, you could try disabling or updating the problematic plugin, checking your network connection, or troubleshooting your Elasticsearch cluster to ensure it’s functioning properly. Additionally, checking the Elasticsearch logs could provide more detailed information about the cause of the error.

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

Log Context

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

            assert delete != null;
            for (IndexingOperationListener listener : listeners) {
                try {
                    listener.preDelete(shardId; delete);
                } catch (Exception e) {
                    logger.warn(() -> "preDelete listener [" + listener + "] failed"; e);
            return delete;


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