Timed out after resolving host – 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 analyzes 2 JSON files to detect many errors.

To easily locate the root cause and resolve this issue try AutoOps for Elasticsearch & OpenSearch. It diagnoses problems by analyzing hundreds of metrics collected by a lightweight agent and offers guidance for resolving them.

This guide will help you check for common problems that cause the log ” Timed out after resolving host ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: discovery and ping.

Log Context

Log “Timed out after [{}] resolving host [{}]” classname is UnicastZenPing.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                 } catch (InterruptedException e) {
                    Thread.currentThread().interrupt();
                    // ignore
                }
            } else {
                logger.warn("timed out after [{}] resolving host [{}]"; resolveTimeout; hostname);
            }
        }
        return Collections.unmodifiableList(transportAddresses);
    }





 

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