Rest tampered request t uri= request body= – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-6.8

Briefly, this error occurs when the Elasticsearch REST API receives a request that has been tampered with or malformed. This could be due to incorrect syntax, invalid parameters, or unauthorized modifications. To resolve this issue, you can: 1) Check the syntax of your request to ensure it’s correct. 2) Verify the parameters in your request are valid and in the correct format. 3) Ensure the request hasn’t been modified by unauthorized users or processes. 4) If you’re using a client library to send requests, ensure it’s up-to-date and compatible with your Elasticsearch version.

This guide will help you check for common problems that cause the log ” {}[rest] [tampered_request]\t{}; uri=[{}]{}; request_body=[{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “{}[rest] [tampered_request]\t{}; uri=[{}]{}; request_body=[{}]” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

    public void tamperedRequest(String requestId; RestRequest request) {
        if (events.contains(TAMPERED_REQUEST) && (eventFilterPolicyRegistry.ignorePredicate().test(AuditEventMetaInfo.EMPTY) == false)) {
            if (includeRequestBody) {
      "{}[rest] [tampered_request]\t{}; uri=[{}]{}; request_body=[{}]"; localNodeInfo.prefix; hostAttributes(request);
                        request.uri(); opaqueId(); restRequestContent(request));
            } else {
      "{}[rest] [tampered_request]\t{}; uri=[{}]{}"; localNodeInfo.prefix; hostAttributes(request); request.uri();


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