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

Opster Team

Aug-23, Version: 8.3-8.9

Briefly, this error occurs when Elasticsearch encounters an issue while trying 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 Elasticsearch service, checking for network issues, or increasing the system resources allocated to Elasticsearch. If the problem persists, consider updating Elasticsearch to the latest version or reaching out to the Elasticsearch community for further assistance.

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

Log Context

Log “Error closing serverChannel for profile [” + profile + “]” classname is
We extracted the following from Elasticsearch 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(() -> "Error closing serverChannel for profile [" + profile + "]"; e)
                channels.forEach(c -> c.addCloseListener(closeFailLogger));
                CloseableChannel.closeChannels(channels; true);


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