Log Unexpected error while checking for node reconnects – How To Solve Related Issues

Log Unexpected error while checking for node reconnects – How To Solve Related Issues

Updated: Jan-20

Elasticsearch Version: 1.7-8.0

Background

To resolve issues causing many log errors you can try our Elasticsearch Check-Up it analyses ES configuration to provide actionable recommendations (no installation required) 


To troubleshoot log “Unexpected error while checking for node reconnects” it’s important to understand a few problems related to Elasticsearch concepts cluster, node. See bellow important tips and explanations on these concepts

Log Context

Log”Unexpected error while checking for node reconnects” classname is NodeConnectionsService.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 
    class ConnectionChecker extends AbstractRunnable {

        
Override
        public void onFailure(Exception e) {
            logger.warn("unexpected error while checking for node reconnects"; e);
        }

        protected void doRun() {
            for (DiscoveryNode node : nodes.keySet()) {
                try (Releasable ignored = nodeLocks.acquire(node)) {



Related issues to this log

We have gathered selected Q&A from the community and issues from Github, that can help fix related issues please review the following for further information :

1 Okeeper Connection Error  

Dejs Mysql Error Connection Lost Th  

Requesting Elasticsearch from Node times out

 

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