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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.
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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();
