Error closing readiness service channel – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 8.2-8.9

Briefly, this error occurs when Elasticsearch encounters an issue while trying to close the readiness service channel. This could be due to a network issue, a problem with the service itself, or a system resource issue. To resolve this, you can try restarting the Elasticsearch service, checking the system resources to ensure they are not over-utilized, or investigating the network for any connectivity issues. If the problem persists, you may need to check the Elasticsearch logs for more detailed error information.

This guide will help you check for common problems that cause the log ” error closing readiness service channel ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .

Log Context

Log “error closing readiness service channel” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

            if (this.serverChannel != null) {
        } catch (InterruptedException | IOException e) {
            logger.warn("error closing readiness service channel"; e);
        } finally {
            this.serverChannel = null;
  "readiness service stopped");


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?