Failure during – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-7.11

Briefly, this error occurs when Elasticsearch encounters an issue during its operations, such as indexing, searching, or cluster management. The error could be due to various reasons like insufficient memory, incorrect configurations, or network issues. To resolve this, you can check the Elasticsearch logs for more detailed error messages. Ensure that the Elasticsearch cluster has enough resources (CPU, memory, disk space). Verify the configurations are correct and the network connectivity is stable. If the error is related to a specific operation like indexing, check the data being indexed for any issues.

In addition we recommend you run the Elasticsearch Template Optimizer to fix problems in your data modeling.

It will analyze your templates to detect issues and improve search performance, reduce indexing bottlenecks and optimize storage utilization. The Template Optimizer is free and requires no installation.

Log Context

Log “failure during [{}]” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

        final RefreshTask refreshTask = new RefreshTask(index; indexUUID);
        clusterService.submitStateUpdateTask("refresh-mapping [" + index + "]";
                (source; e) -> logger.warn(() -> new ParameterizedMessage("failure during [{}]"; source); e)

    class PutMappingExecutor implements ClusterStateTaskExecutor {


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