Unexpected error while monitoring recovery – How to solve related issues

Opster Team

Jan-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you run Elasticsearch Error Check-Up which can resolve issues that cause many errors.

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, recoveries and recovery.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

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);


 

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