Exception thrown by listener notifying of failure from – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 7.16-8.2

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Briefly, this error occurs when a listener, which is a component that waits for certain events to occur, encounters a failure during the execution of an Elasticsearch operation. This could be due to a variety of reasons such as network issues, insufficient resources, or incorrect configurations. To resolve this issue, you can try the following: 1) Check the server’s network connectivity and firewall settings. 2) Ensure that the Elasticsearch cluster has sufficient resources (CPU, memory, disk space). 3) Review the configurations of your Elasticsearch cluster and correct any errors. 4) Check the Elasticsearch logs for more detailed error information.

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This guide will help you check for common problems that cause the log ” exception thrown by listener notifying of failure from [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: cluster.

Log Context

Log “exception thrown by listener notifying of failure from [{}]” classname is ClusterApplierService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

            try (ThreadContext.StoredContext ignored = storedContextSupplier.get()) {
            } catch (Exception inner) {
                assert false : inner;
                logger.error(new ParameterizedMessage("exception thrown by listener notifying of failure from [{}]"; source); inner);

        public void onResponse(Void unused) {


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