Briefly, this error occurs when Elasticsearch is trying to profile a query, but the unique identifier (uid) provided does not contain a differentiator. This could be due to incorrect configuration or a bug in the code. To resolve this issue, you can try the following: 1) Check your profiling configuration and ensure that each uid has a unique differentiator. 2) Review your code to ensure that uids are being generated correctly. 3) Update to the latest version of Elasticsearch, as this could be a known issue that has been fixed in a newer version.
This guide will help you check for common problems that cause the log ” profile uid [{}] does not contain a differentiator ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.
Log Context
Log “profile uid [{}] does not contain a differentiator” class name is ProfileService.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
return;
}
final String baseUid = uid.substring(0; index);
final String differentiatorString = uid.substring(index + 1);
if (differentiatorString.isBlank()) {
listener.onFailure(new ElasticsearchException("profile uid [{}] does not contain a differentiator"; uid));
return;
} final DomainConfig domainConfig = getDomainConfigForSubject(subject);
// The user is from a domain that is configured to have a fixed suffix and should not auto-increment for clashing UID
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