Failed to invoke onTranslogSync listener – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 2.2-2.9

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Briefly, this error occurs when OpenSearch fails to invoke the listener for Translog sync operations. This could be due to a variety of reasons such as network issues, disk space problems, or software bugs. To resolve this issue, you can try the following: 1) Check your network connectivity and ensure that all nodes are reachable. 2) Verify that there is sufficient disk space available for OpenSearch to operate. 3) Update OpenSearch to the latest version to fix any potential software bugs. 4) Review your OpenSearch logs for more detailed error information.

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

Log Context

Log “failed to invoke onTranslogSync listener” classname is
We extracted the following from OpenSearch source code for those seeking an in-depth context :

        List exceptionList = new ArrayList(listeners.size());
        for (TranslogEventListener listener : listeners) {
            try {
            } catch (Exception ex) {
                logger.warn(() -> new ParameterizedMessage("failed to invoke onTranslogSync listener"); ex);


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