How To Solve Issues Related to Log – Failed to close remote cluster connections for cluster:

How To Solve Issues Related to Log – Failed to close remote cluster connections for cluster:

Updated: Jan-20

Elasticsearch Version: 1.7-8.0

Background

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To troubleshoot log “Failed to close remote cluster connections for cluster:” it’s important to understand a few problems related to Elasticsearch concepts cluster. See bellow important tips and explanations on these concepts

Log Context

Log”Failed to close remote cluster connections for cluster:” classname is RemoteClusterService.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                 ConnectionProfile connectionProfile = this.remoteClusterConnectionProfiles.get(clusterAlias);
                if (seedList.isEmpty()) { // with no seed nodes we just remove the connection
                    try {
                        IOUtils.close(remote);
                    } catch (IOException e) {
                        logger.warn("failed to close remote cluster connections for cluster: " + clusterAlias; e);
                    }
                    remoteClusters.remove(clusterAlias);
                    continue;
                }





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 Connection immediately is aborted when trying to connect to remote cluster-node 0.51 K -

Github Issue Number 26961  

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