Encountered search failures during reindex process – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.5-8.9

Briefly, this error occurs when Elasticsearch encounters issues during the reindexing process. This could be due to insufficient memory, incorrect mappings, or network connectivity issues. To resolve this, you can increase the heap size to provide more memory, ensure that the mappings are correct before reindexing, or check your network connections. Additionally, you can also check the Elasticsearch logs for more specific error messages that can help identify the root cause of the problem.

This guide will help you check for common problems that cause the log ” Encountered search failures during reindex process ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, search, reindex.

Log Context

Log “Encountered search failures during reindex process” class name is EnrichPolicyRunner.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 );
 failure.getReason()
 );
 }
 }
 delegate.onFailure(new ElasticsearchException("Encountered search failures during reindex process"));
 } else {
 logger.info(
 "Policy [{}]: Transferred [{}] documents to enrich index [{}]";
 policyName;
 bulkByScrollResponse.getCreated();

 

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