Error while parsing put for weighted routing request object – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 2.4-2.4

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Briefly, this error occurs when OpenSearch is unable to parse the request object for weighted routing. This could be due to incorrect syntax, invalid values, or missing required fields in the request object. To resolve this issue, you should first verify the syntax and structure of your request object. Ensure that all required fields are included and that the values assigned to these fields are valid. If the error persists, consider debugging your code to identify any potential issues with the request object generation process.

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This guide will help you check for common problems that cause the log ” error while parsing put for weighted routing request object ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: routing, cluster, request, shards, admin.

Log Context

Log “error while parsing put for weighted routing request object” classname is
We extracted the following from OpenSearch source code for those seeking an in-depth context :

            this.weightedRouting = new WeightedRouting(this.attributeName; weights);
        } catch (IOException e) {
            logger.error("error while parsing put for weighted routing request object"; e);

    public ActionRequestValidationException validate() {


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