Unable to check request for white listing – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7-7.15

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Briefly, this error occurs when Elasticsearch is unable to verify if a specific request is whitelisted. This could be due to incorrect configuration settings or issues with the whitelist itself. To resolve this, you can check and correct your whitelist settings, ensure that the request you’re making is included in the whitelist, or check if there are any issues with your Elasticsearch cluster that might be preventing it from accessing the whitelist. Additionally, ensure that your Elasticsearch version supports whitelisting and that it’s properly configured.

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This guide will help you check for common problems that cause the log ” unable to check request [{}/{}] for white listing ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, request.

Log Context

Log “unable to check request [{}/{}] for white listing” class name is HttpClient.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 });  clientBuilder.addInterceptorFirst((HttpRequestInterceptor) (request; context) -> {
 if (request instanceof HttpRequestWrapper == false) {
 throw new ElasticsearchException("unable to check request [{}/{}] for white listing"; request;
 }  HttpRequestWrapper wrapper = ((HttpRequestWrapper) request);
 final String host;


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