PreDelete listener failed – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-8.2

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Briefly, this error occurs when the pre-delete 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 underlying data. To resolve this issue, you could try disabling or updating the problematic plugin, checking your network connection, or investigating the data for any inconsistencies or corruption. Additionally, ensure that your Elasticsearch version is up-to-date and compatible with all plugins and dependencies.

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This guide will help you check for common problems that cause the log ” preDelete 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 [{}] failed” classname is IndexingOperationListener.java.
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(() -> new ParameterizedMessage("preDelete listener [{}] failed"; listener); e);
                }
            }
            return delete;
        }

 

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