Briefly, this error occurs when Elasticsearch attempts to connect to a database type that it does not support. This could be due to a misconfiguration in the Elasticsearch settings or an unsupported database plugin. To resolve this issue, you can either change the database type to one that is supported by Elasticsearch, or install a plugin that supports the current database type. Additionally, ensure that your Elasticsearch version is compatible with the database type you’re using.
This guide will help you check for common problems that cause the log ” Unsupported database type [ ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .
Log Context
Log “Unsupported database type [” class name is GeoIpProcessor.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
geoData = retrieveAsnGeoData(lazyLoader; ipAddress);
} catch (AddressNotFoundRuntimeException e) {
geoData = Collections.emptyMap();
}
} else {
throw new ElasticsearchParseException("Unsupported database type [" + lazyLoader.getDatabaseType()
+ "]"; new IllegalStateException());
}
return geoData;
} finally {
lazyLoader.postLookup();
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