Opster Team
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 ” Last failed join attempt was ago. failed to join with ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: cluster and join.

Log Context
Log “last failed join attempt was {} ago; failed to join {} with {}” classname is JoinHelper.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
} return Level.INFO; } void logWarnWithTimestamp() { logger.info(() -> new ParameterizedMessage("last failed join attempt was {} ago; failed to join {} with {}"; TimeValue.timeValueMillis(TimeValue.nsecToMSec(System.nanoTime() - timestamp)); destination; joinRequest); exception); }
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