Unexpected exception while failing (version 6.8) – How to solve related issues

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Unexpected exception while failing (version 6.8) – 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 can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” Unexpected exception while failing (version 6.8) ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: discovery.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

Log “Unexpected exception while failing [{}]” classname is ZenDiscovery.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

         } catch (Exception e) {
            try {
                pendingStatesQueue.markAsFailed(newClusterState; e);
            } catch (Exception inner) {
                inner.addSuppressed(e);
                logger.error(() -> new ParameterizedMessage("unexpected exception while failing [{}]"; reason); inner);
            }
            return false;
        }

        if (currentState.blocks().hasGlobalBlock(discoverySettings.getNoMasterBlock())) {




 

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