Error while delegating exception e getMessage – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-8.9

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Briefly, this error occurs when Elasticsearch encounters an issue while trying to delegate an exception. This could be due to a variety of reasons such as incorrect configuration, network issues, or a bug in the code. To resolve this issue, you can try the following: 1) Check your Elasticsearch configuration for any errors. 2) Ensure that your network is functioning properly. 3) Update Elasticsearch to the latest version to fix any potential bugs. 4) Review your code to ensure there are no errors causing this issue.

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This guide will help you check for common problems that cause the log ” Error while delegating exception [” + e.getMessage() + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “Error while delegating exception [” + e.getMessage() + “]” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

        }; e -> {
            try {
            } catch (IOException e1) {
                logger.warn("Error while delegating exception [" + e.getMessage() + "]"; e1);

    public Optional>> getStatistics(JobTask jobTask) {


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