Interrupted while closing the watch service – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 8.4-8.9

Briefly, this error occurs when Elasticsearch encounters an interruption while trying to close the watch service, which is responsible for monitoring changes in indices. This could be due to a sudden shutdown or a network issue. To resolve this, you can try restarting the Elasticsearch service. If the problem persists, check for any network issues or hardware failures. Also, ensure that the watch service is properly configured and that the system resources are sufficient for its operation.

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

Log Context

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

            } catch (IOException e) {
                logger.warn("encountered exception while closing watch service"; e);
            } catch (InterruptedException interruptedException) {
      "interrupted while closing the watch service"; interruptedException);
            } finally {
                watcherThread = null;
                settingsDirWatchKey = null;
                configDirWatchKey = null;
                watchService = null;


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