Briefly, this error occurs when Elasticsearch tries to load a file specified in its settings, but fails. This could be due to the file not existing, incorrect file path, or insufficient permissions. To resolve this, ensure the file exists at the specified location, the file path is correct, and Elasticsearch has the necessary permissions to access the file. If the file is being accessed over a network, check the network connection and file server status.
This guide will help you check for common problems that cause the log ” File [{}] (from setting [{}]) cannot be loaded ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.
Log Context
Log “File [{}] (from setting [{}]) cannot be loaded” class name is WildcardServiceProviderResolver.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
if (Files.exists(path)) {
try {
resolver.reload(path);
} catch (IOException e) {
throw new ElasticsearchException("File [{}] (from setting [{}]) cannot be loaded";
e; path.toAbsolutePath(); FILE_PATH_SETTING.getKey());
}
} else if (FILE_PATH_SETTING.exists(environment.settings())) {
// A file was explicitly configured; but doesn't exist. That's a mistake...
throw new ElasticsearchException("File [{}] (from setting [{}]) does not exist";
