Fetching nodes from external cluster failed – How to solve related issues

Average Read Time

2 Mins

Fetching nodes from external cluster failed – 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 ” Fetching nodes from external cluster failed ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: cluster.

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 “Fetching nodes from external cluster [{}] failed” classname is RemoteClusterConnection.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                     });
                } else {
                    listener.onFailure(new IllegalStateException("no seed node left"));
                }
            } catch (CancellableThreads.ExecutionCancelledException ex) {
                logger.warn(() -> new ParameterizedMessage("fetching nodes from external cluster [{}] failed"; clusterAlias); ex);
                listener.onFailure(ex); // we got canceled - fail the listener and step out
            } catch (ConnectTransportException | IOException | IllegalStateException ex) {
                // ISE if we fail the handshake with an version incompatible node
                if (seedNodes.hasNext()) {
                    logger.debug(() -> new ParameterizedMessage("fetching nodes from external cluster [{}] failed moving to next node";




 

Try AutoOps to detect and fix issues in your cluster:

Watch Product Tour

Get Started Free

Skip to content