Bootstrapping cancelled – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 1-2.9

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Briefly, this error occurs when OpenSearch fails to initialize due to issues like incorrect configuration, insufficient system resources, or network connectivity problems. To resolve this, you can check the OpenSearch logs for more detailed error messages. Ensure that the configuration files are correct and the system has enough resources (CPU, memory, disk space). Also, verify that the network settings are correct and the required ports are open. If the issue persists, try restarting the OpenSearch service.

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

Log Context

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

            final Tuple; List> requirementMatchingResult;
            try {
                requirementMatchingResult = checkRequirements(nodes);
            } catch (IllegalStateException e) {
                logger.warn("bootstrapping cancelled"; e);

            final Set nodesMatchingRequirements = requirementMatchingResult.v1();


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