Watch is running currently; cannot ack until finished – How to solve this Elasticsearch error

Opster Team

July-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you try running the Elasticsearch Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” watch is running currently; cannot ack until finished ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

Log “watch[{}] is running currently; cannot ack until finished”classname  is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

executeAsyncWithOrigin(client; WATCHER_ORIGIN; WatcherStatsAction.INSTANCE; watcherStatsRequest; ActionListener.wrap(response -> {
 boolean isWatchRunning = response.getNodes().stream()
 .anyMatch(node -> node.getSnapshots().stream().anyMatch(snapshot -> snapshot.watchId().equals(request.getWatchId())));
 if (isWatchRunning) {
 listener.onFailure(new ElasticsearchStatusException("watch[{}] is running currently; cannot ack until finished";
 RestStatus.CONFLICT; request.getWatchId()));
 } else {
 GetRequest getRequest = new GetRequest(Watch.INDEX; request.getWatchId())


Watch product tour

Watch how AutoOps finds & fixes Elasticsearch problems

Analyze Your Cluster
Skip to content