Opster Team
Before you begin reading this guide, we recommend you try running the Elasticsearch Error Check-Up which analyzes 2 JSON files to detect many configuration errors.
To easily locate the root cause and resolve this issue try AutoOps for Elasticsearch & OpenSearch. It diagnoses problems by analyzing hundreds of metrics collected by a lightweight agent and offers guidance for resolving them.
This guide will help you check for common problems that cause the log ” cannot reset job while indices are being upgraded ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: indices, plugin.

Log Context
Log “cannot reset job while indices are being upgraded”classname is TransportResetJobAction.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :
ResetJobAction.Request request; ClusterState state; ActionListenerlistener ) throws Exception { if (MlMetadata.getMlMetadata(state).isUpgradeMode()) { listener.onFailure(ExceptionsHelper.conflictStatusException("cannot reset job while indices are being upgraded")); return; } final TaskId taskId = new TaskId(clusterService.localNode().getId(); task.getId());
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Billy McCarthy
Senior SysAdmin at Backblaze