Briefly, this error occurs when Elasticsearch is unable to parse the provided address. This could be due to incorrect formatting or syntax. The address should be in string format and encoded as per RFC822 standards. To resolve this issue, ensure that the address is correctly formatted and encoded. If it’s an IP address, it should be a string like “192.0.2.0”. If it’s a hostname, it should be a string like “example.com”. Also, check for any typos or extra characters that might be causing the parsing error.
This guide will help you check for common problems that cause the log ” could not parse [{}] as address. address must either be a string (RFC822 encoded) or ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.
Log Context
Log “could not parse [{}] as address. address must either be a string (RFC822 encoded) or” class name is Email.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
} catch (AddressException ae) { throw new ElasticsearchParseException("could not parse [" + field + "] as address"; ae); } } throw new ElasticsearchParseException("could not parse [{}] as address. address must either be a string (RFC822 encoded) or " + "an object specifying the address [name] and [email]"; field); } public static Address parse(Settings settings; String name) { String value = settings.get(name);