Failed to bump term to – 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 increment the term number for a shard during a leader election process. This could be due to network issues, node failures, or resource constraints. To resolve this, you can try restarting the nodes, checking the network connectivity between nodes, or increasing the system resources. Additionally, ensure that your OpenSearch cluster is properly configured and that the nodes are able to communicate with each other effectively.

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

Log Context

Log “failed to bump term to {}” classname is
We extracted the following from OpenSearch source code for those seeking an in-depth context :

                    try {
                        logger.debug("updateMaxTermSeen: maxTermSeen = {} > currentTerm = {}; bumping term"; maxTermSeen; currentTerm);
                        ensureTermAtLeast(getLocalNode(); maxTermSeen);
                    } catch (Exception e) {
                        logger.warn(new ParameterizedMessage("failed to bump term to {}"; maxTermSeen); e);


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