Unexpected failure during azure – How to solve related issues

Opster Team

Dec-19, 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.

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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) {

 

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