Briefly, this error occurs when Elasticsearch is unable to update the list of seed nodes for a cluster. This could be due to network issues, incorrect configuration, or the unavailability of the seed nodes. To resolve this, ensure that all seed nodes are up and running, check your network connectivity, and verify your cluster settings. If the issue persists, consider reviewing and updating your Elasticsearch configuration.
This guide will help you check for common problems that cause the log ” failed to update seed list for cluster: ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .
Log Context
Log “failed to update seed list for cluster: ” classname is RemoteClusterService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
exception -> {
if (countDown.fastForward()) {
connectionListener.onFailure(exception);
}
if (finalRemote.isClosed() == false) {
logger.warn("failed to update seed list for cluster: " + clusterAlias; exception);
}
}));
}
}
this.remoteClusters = Collections.unmodifiableMap(remoteClusters);
