Policy for index failed on step Moving to ERROR step – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-7.15

Briefly, this error occurs when Elasticsearch fails to execute a lifecycle policy on an index during a transition to a new phase. This could be due to a variety of reasons such as insufficient resources, incorrect policy configuration, or network issues. To resolve this, you can check the Elasticsearch logs for more detailed error messages. Ensure that your policy configuration is correct and that there are sufficient resources available. If the issue persists, consider reapplying the policy or restarting the Elasticsearch cluster.

This guide will help you check for common problems that cause the log ” policy [{}] for index [{}] failed on step [{}]. Moving to ERROR step ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: index, plugin.

Log Context

Log “policy [{}] for index [{}] failed on step [{}]. Moving to ERROR step” classname is IndexLifecycleRunner.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

     * Move the index to the ERROR step.
    private void moveToErrorStep(Index index; String policy; Step.StepKey currentStepKey; Exception e) {
        logger.error(new ParameterizedMessage("policy [{}] for index [{}] failed on step [{}]. Moving to ERROR step";
            policy; index.getName(); currentStepKey); e);
            String.format(Locale.ROOT; "ilm-move-to-error-step {policy [%s]; index [%s]; currentStep [%s]}"; policy; index.getName();
            new MoveToErrorStepUpdateTask(index; policy; currentStepKey; e; nowSupplier; stepRegistry::getStep; clusterState -> {


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