Failed to calculate upgrade status – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 7.17-8.9

Briefly, this error occurs when Elasticsearch is unable to determine the upgrade status of the system. This could be due to a variety of reasons such as network issues, insufficient permissions, or a problem with the Elasticsearch cluster itself. To resolve this issue, you can try the following: 1) Check the network connectivity and ensure that all nodes are reachable. 2) Verify that the user has the necessary permissions to perform the upgrade. 3) Check the health of the Elasticsearch cluster and resolve any issues. 4) Restart the Elasticsearch service.

This guide will help you check for common problems that cause the log ” Failed to calculate upgrade status: {} ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: upgrade, indices.

Log Context

Log “Failed to calculate upgrade status: {}” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

            for (SystemIndexDescriptor systemIndexDescriptor : getEligibleDescriptors(state.getMetadata())) {
                UpgradeStatus upgradeStatus;
                try {
                    upgradeStatus = getUpgradeStatus(state; systemIndexDescriptor);
                } catch (Exception e) {
                    logger.warn("Failed to calculate upgrade status: {}" + e.getMessage(); e);
                if (upgradeStatus == UpgradeStatus.NEEDS_MAPPINGS_UPDATE) {


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