Failed to parse action /. unexpected token / – How to solve this Elasticsearch error

Failed to parse action /. unexpected token / – 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 ” failed to parse action /. unexpected token / ” 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”failed to parse [{}] action [{}/{}]. unexpected token [{}/{}]”classname  is JiraAction.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

} catch (Exception e) {
  throw new ElasticsearchParseException("failed to parse [{}] action [{}/{}]. failed to parse [{}] field"; e; TYPE;
  watchId; actionId; Field.FIELDS.getPreferredName());
  }
  } else {
  throw new ElasticsearchParseException("failed to parse [{}] action [{}/{}]. unexpected token [{}/{}]"; TYPE; watchId;
  actionId; token; currentFieldName);
  }
  }
  if (fields == null) {
  fields = Collections.emptyMap();

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

error

Heavy merges detected in specific nodes

error-img

Description

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

error-img

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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