Can not start azure client – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 2.3-2.3

Briefly, this error occurs when Elasticsearch fails to initialize the Azure client, which is often due to incorrect or missing configuration settings. This could be due to invalid Azure credentials, incorrect endpoint URLs, or network connectivity issues. To resolve this, ensure that the Azure credentials are correct and properly configured in Elasticsearch. Also, verify the endpoint URLs and check your network connection. If the problem persists, you may need to update or reinstall the Azure plugin in Elasticsearch.

This guide will help you check for common problems that cause the log ” can not start azure client: {} ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: cloud-aws, cloud-azure, plugins and repository-azure.

Log Context

Log “can not start azure client: {}” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

         Configuration configuration;
        try {
            configuration = ManagementConfiguration.configure(new URI(Azure.ENDPOINT);
                    subscriptionId; keystorePath; keystorePassword; keystoreType);
        } catch (IOException|URISyntaxException e) {
            logger.error("can not start azure client: {}"; e.getMessage());
            computeManagementClient = null;
        logger.trace("creating new Azure client for [{}]; [{}]"; subscriptionId; serviceName);
        computeManagementClient = ComputeManagementService.create(configuration);


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