Error closing tracer – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 2.9-2.9

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Briefly, this error occurs when OpenSearch fails to close a tracing process, which is used for debugging or monitoring the system. This could be due to a system resource issue, a bug in the tracing tool, or an unexpected interruption. To resolve this, you could try restarting the OpenSearch service to reset the tracing process. If the error persists, consider updating or changing the tracing tool. Additionally, check for any system resource issues that might be preventing the tracer from closing properly.

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This guide will help you check for common problems that cause the log ” Error closing tracer ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: .

Log Context

Log “Error closing tracer” classname is
We extracted the following from OpenSearch source code for those seeking an in-depth context :

    public void close() {
        try {
        } catch (IOException e) {
            logger.warn("Error closing tracer"; e);

    private Tracer tracer(Optional telemetry; ThreadContext threadContext) {


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