Briefly, this error occurs when Elasticsearch is unable to locate a specified synonym set. This could be due to a misconfiguration in the synonym path or the file not existing in the specified location. To resolve this issue, you can verify the synonym file path in the Elasticsearch configuration, ensure the file exists in the specified location, and check the file’s read permissions. Additionally, ensure the synonym file is in the correct format as expected by Elasticsearch.
This guide will help you check for common problems that cause the log ” Synonym set [” + resourceName + “] not found ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .
Log Context
Log “Synonym set [” + resourceName + “] not found” class name is SynonymsManagementAPIService.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
.setPreference(Preference.LOCAL.type())
.setTrackTotalHits(true)
.execute(new DelegatingIndexNotFoundActionListener<>(resourceName; listener; (l; searchResponse) -> {
final long totalSynonymRules = searchResponse.getHits().getTotalHits().value;
if (totalSynonymRules == 0) {
l.onFailure(new ResourceNotFoundException("Synonym set [" + resourceName + "] not found"));
return;
}
final SynonymRule[] synonymRules = Arrays.stream(searchResponse.getHits().getHits())
.map(SynonymsManagementAPIService::hitToSynonymRule)
.toArray(SynonymRule[]::new);
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