Error occurred while reindexing; bulk failures ; search failures – 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 ” Error occurred while reindexing; bulk failures ; search failures ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: bulk, index, plugin, search and upgrade.

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 “Error occurred while reindexing; bulk failures [{}]; search failures [{}]” classname is InternalIndexReindexer.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                 ? Strings.collectionToCommaDelimitedString(bulkByScrollResponse.getBulkFailures())
                : "";
        String searchFailures = (bulkByScrollResponse.getSearchFailures() != null)
                ? Strings.collectionToCommaDelimitedString(bulkByScrollResponse.getSearchFailures())
                : "";
        logger.error("error occurred while reindexing; bulk failures [{}]; search failures [{}]"; bulkFailures; searchFailures);
        return new ElasticsearchException("error occurred while reindexing; bulk failures [{}]; search failures [{}]"; bulkFailures;
                searchFailures);
    }

    private void checkMasterAndDataNodeVersion(ClusterState clusterState) {




 

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