Error closing serverChannel for profile - Common causes and quick fixes

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

Opster Team

Aug-23, Version: 6.8-8.2

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 limitations, or a bug in the software. To resolve this issue, you can try restarting the Elasticsearch service, checking the network connections, or increasing the system resources. If the problem persists, consider updating or reinstalling Elasticsearch to ensure you’re running a bug-free version.

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 Elasticsearch concepts: .

Log Context

Log “Error closing serverChannel for profile [{}]” classname is TcpTransport.java.
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(() -> new ParameterizedMessage("Error closing serverChannel for profile [{}]"; profile); e)
                );
                channels.forEach(c -> c.addCloseListener(closeFailLogger));
                CloseableChannel.closeChannels(channels; true);
            }
            serverChannels.clear();