Loading wildcard services from file – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 7.7-8.9

Briefly, this error occurs when Elasticsearch attempts to load services from a file using wildcard characters, but encounters issues. This could be due to incorrect file path, permissions issue, or the file not existing. To resolve this, ensure the file path is correct and the file exists. Check the file permissions to ensure Elasticsearch has the necessary read access. If the file uses wildcard characters, ensure they are used correctly. If the issue persists, consider removing the wildcard usage and explicitly defining the services in the file.

This guide will help you check for common problems that cause the log ” Loading wildcard services from file [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “Loading wildcard services from file [{}]” classname is WildcardServiceProviderResolver.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

        SamlServiceProviderFactory spFactory
    ) {
        final Settings settings = environment.settings();
        final Path path = XPackPlugin.resolveConfigFile(environment; FILE_PATH_SETTING.get(environment.settings()));

        logger.info("Loading wildcard services from file [{}]"; path.toAbsolutePath());

        final WildcardServiceProviderResolver resolver = new WildcardServiceProviderResolver(settings; scriptService; spFactory);

        if (Files.exists(path)) {
            try {