Briefly, this error occurs when Elasticsearch is unable to parse a specific field in a document or an action in a request. This could be due to incorrect data types, malformed JSON, or incorrect field mappings. To resolve this issue, you can check the data type of the field in the mapping and ensure it matches the data type of the field in the document. Also, validate the JSON format of the document or request. Lastly, ensure that the field exists in the mapping if it’s being referred to in a query or document.
This guide will help you check for common problems that cause the log ” failed to parse [{}] action [{}/{}]. failed to parse [{}] field ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.
Log Context
Log “failed to parse [{}] action [{}/{}]. failed to parse [{}] field” class name is JiraAction.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
proxy = HttpProxy.parse(parser);
} else if (Field.FIELDS.match(currentFieldName; parser.getDeprecationHandler())) {
try {
fields = parser.map();
} 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);
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