Failed to derived initial meta from value – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 2.3-2.3

Briefly, this error occurs when Elasticsearch is unable to extract metadata from a given value. This could be due to incorrect data types, missing fields, or malformed data. To resolve this issue, you can: 1) Check the data type of the value and ensure it matches the expected type. 2) Verify that all required fields are present in the data. 3) Validate the format of the data to ensure it’s correctly structured. 4) If the error persists, consider reindexing your data.

This guide will help you check for common problems that cause the log ” failed to derived initial_meta from value {} ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: Index and Memory.

Log Context

Log “failed to derived initial_meta from value {}” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

            } else {
                requiredAllocation = Integer.parseInt(setting);
        } catch (Exception e) {
            logger.warn("failed to derived initial_meta from value {}"; setting);
        return requiredAllocation;

    public void reset() throws Exception {


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