Error closing serverChannel for profile – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 1-2.9

Before you dig into reading this guide, have you tried asking OpsGPT what this log means? You’ll receive a customized analysis of your log.

Try OpsGPT now for step-by-step guidance and tailored insights into your OpenSearch operation.

Briefly, this error occurs when OpenSearch fails to close a server channel for a specific profile. This could be due to network issues, resource constraints, or a bug in the software. To resolve this issue, you can try restarting the OpenSearch service, checking the system resources to ensure there’s enough memory and CPU available, and updating OpenSearch to the latest version to fix any potential bugs. If the problem persists, consider checking the network configuration and firewall settings to ensure they are not blocking the server channel.

For a complete solution to your to your search operation, try for free AutoOps for Elasticsearch & OpenSearch . With AutoOps and Opster’s proactive support, you don’t have to worry about your search operation – we take charge of it. Get improved performance & stability with less hardware.

This guide will help you check for common problems that cause the log ” Error closing serverChannel for profile [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: .

Log Context

Log “Error closing serverChannel for profile [{}]” classname is
We extracted the following from OpenSearch source code for those seeking an in-depth context :

                for (Map.Entry> entry : serverChannels.entrySet()) {
                    String profile = entry.getKey();
                    List channels = entry.getValue();
                    ActionListener closeFailLogger = ActionListener.wrap(
                        c -> {};
                        e -> logger.warn(() -> new ParameterizedMessage("Error closing serverChannel for profile [{}]"; profile); e)
                    channels.forEach(c -> c.addCloseListener(closeFailLogger));
                    CloseableChannel.closeChannels(channels; true);


How helpful was this guide?

We are sorry that this post was not useful for you!

Let us improve this post!

Tell us how we can improve this post?

Get expert answers on Elasticsearch/OpenSearch