Before you begin reading this guide, we recommend you run Elasticsearch Error Check-Up which can resolve issues that cause many errors.
This guide will help you check for common problems that cause the log ” Expected; but did not find; a dynamic hosts list at ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: discovery-azure-classic, discovery-file and hosts.
Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.
Log Context
Log “Expected; but did not find; a dynamic hosts list at [{}]” classname is FileBasedUnicastHostsProvider.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
deprecationLogger.deprecated("Found dynamic hosts list at [{}] but this path is deprecated. This list should be at [{}] " +
"instead. Support for the deprecated path will be removed in future."; legacyUnicastHostsFilePath; unicastHostsFilePath);
return readFileContents(legacyUnicastHostsFilePath);
}
logger.warn("expected; but did not find; a dynamic hosts list at [{}]"; unicastHostsFilePath);
return Collections.emptyList();
}
private List readFileContents(Path path) {
Find & fix Elasticsearch problems
