Failed to invoke before index removed callback – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-8.9

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Briefly, this error occurs when Elasticsearch tries to execute a callback function before an index is removed, but fails. This could be due to a variety of reasons such as a network issue, a bug in the code, or a problem with the index itself. To resolve this issue, you could try restarting Elasticsearch, checking the health of your indices, or debugging your code to ensure the callback function is correctly implemented. If the problem persists, consider upgrading Elasticsearch to the latest version as it might be a bug that has been fixed in a newer version.

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

Log Context

Log “failed to invoke before index removed callback” classname is CompositeIndexEventListener.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

    public void beforeIndexRemoved(IndexService indexService; IndexRemovalReason reason) {
        for (IndexEventListener listener : listeners) {
            try {
                listener.beforeIndexRemoved(indexService; reason);
            } catch (Exception e) {
                logger.warn("failed to invoke before index removed callback"; e);
                throw e;
            }
        }
    }

 

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