Could not parse as address. address must either be a string (RFC822 encoded) or – How to solve this Elasticsearch error

Could not parse as address. address must either be a string (RFC822 encoded) or – How to solve this Elasticsearch error

Opster Team

July-20, Version: 1.7-8.0

 

Before you begin reading this guide, we recommend you try running the 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 ” could not parse as address. address must either be a string (RFC822 encoded) or ” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the Elasticsearch concepts: plugin.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up which analyses ES to pinpoint the cause of many errors and provides suitable actionable recommendations how to resolve them (free tool that requires no installation).

Log Context

Log”could not parse [{}] as address. address must either be a string (RFC822 encoded) or”classname  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);

Run the Check-Up to get customized recommendations like this:

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error

Heavy merges detected in specific nodes

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Description

A large number of small shards can slow down searches and cause cluster instability. Some indices have shards that are too small…

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Recommendations Based on your specific ES deployment you should…

Based on your specific ES deployment you should…

1

X-PUT curl -H [a customized recommendation]

 

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