Log Unexpected failure during azure – How To Solve Related Issues

Log Unexpected failure during azure – How To Solve Related Issues

Updated: Dec-19

Elasticsearch Version: 1.7-8.0

Background

To resolve issues causing many log errors you can try our Elasticsearch Check-Up it analyses ES configuration to provide actionable recommendations (no installation required) 


To troubleshoot log “Unexpected failure during azure” it’s important to understand a few problems related to Elasticsearch concepts discovery-azure-classic. See bellow important tips and explanations on these concepts

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) {

Related issues to this log

We have gathered selected Q&A from the community and issues from Github, that can help fix related issues please review the following for further information :

1 Fail To Assign Shards After Restart  

No Cluster Health With 2 Nodes  

Github Issue Number 19488

 

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