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 ” Unexpected failure during azure ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: discovery-azure-classic.
Log Context
Log “Unexpected failure during azure” classname is ZenDiscovery.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
return ClusterState.builder(currentState).nodes(remainingNodesBuilder).build();
}
Override
public void onFailure(final String source; final Exception e) {
logger.error(() -> new ParameterizedMessage("unexpected failure during [{}]"; source); e);
}
Override
public void onNoLongerMaster(String source) {
