Wrong value for falling back to – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 2.3-2.3

Briefly, this error occurs when Elasticsearch tries to fall back to a default value due to a configuration error or missing value, but the fallback value is incorrect or incompatible. To resolve this issue, you can: 1) Check your Elasticsearch configuration files for any incorrect or missing values and correct them. 2) Ensure that the fallback value is compatible with the expected data type or format. 3) Update or reinstall Elasticsearch if the error persists, as it could be due to a bug or corruption in the software.

This guide will help you check for common problems that cause the log ” wrong value for [{}]: [{}]. falling back to [{}]… ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: Plugin.

Log Context

Log “wrong value for [{}]: [{}]. falling back to [{}]…” classname is AzureComputeServiceImpl.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

String strKeyStoreType = settings.get(KEYSTORE_TYPE; KeyStoreType.pkcs12.name());
        KeyStoreType tmpKeyStoreType = KeyStoreType.pkcs12;
        try {
            tmpKeyStoreType = KeyStoreType.fromString(strKeyStoreType);
        } catch (Exception e) {
            logger.warn("wrong value for [{}]: [{}]. falling back to [{}]..."; KEYSTORE_TYPE;
                    strKeyStoreType; KeyStoreType.pkcs12.name());
        KeyStoreType keystoreType = tmpKeyStoreType;

        // Check that we have all needed properties


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