Unexpected error while monitoring recovery – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-8.2

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 Elasticsearch operation.

Briefly, this error occurs when Elasticsearch encounters an unexpected issue during the recovery process of a node or shard. This could be due to network issues, disk space problems, or corrupted data. To resolve this, you can try the following: 1) Check the network connectivity between nodes; 2) Ensure there is enough disk space available; 3) Check the Elasticsearch logs for more detailed error information; 4) If data corruption is suspected, consider restoring from a backup.

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 ” unexpected error while monitoring recovery [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: indices, recovery.

Log Context

Log “unexpected error while monitoring recovery [{}]” classname is RecoveriesCollection.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

            this.lastSeenAccessTime = lastSeenAccessTime;
        }

        @Override
        public void onFailure(Exception e) {
            logger.error(() -> new ParameterizedMessage("unexpected error while monitoring recovery [{}]"; recoveryId); e);
        }

        @Override
        protected void doRun() throws Exception {
            RecoveryTarget status = onGoingRecoveries.get(recoveryId);

 

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