Transport response handler not found of id – How to solve related issues

Opster Team

Jan-20, Version: 1.7-8.0

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This guide will help you check for common problems that cause the log ” Transport response handler not found of id ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: handler and response.

Log Context

Log “Transport response handler not found of id [{}]” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                     "action [{}]; node [{}]; id [{}]"; time - timeoutInfoHolder.sentTime(); time - timeoutInfoHolder.timeoutTime();
                timeoutInfoHolder.action(); timeoutInfoHolder.node(); requestId);
            action = timeoutInfoHolder.action();
            sourceNode = timeoutInfoHolder.node();
        } else {
            logger.warn("Transport response handler not found of id [{}]"; requestId);
            action = null;
            sourceNode = null;
        // call tracer out of lock
        if (traceEnabled() == false) {


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