Briefly, this error occurs when Elasticsearch is unable to parse the data attachment field in a document. This could be due to incorrect formatting or incompatible data types. To resolve this issue, you can try the following: 1) Check the format of your data attachment field and ensure it matches the expected format. 2) Verify the data type of your field. If it’s not compatible with the data attachment type, you may need to convert it. 3) Ensure that the Elasticsearch mapper-attachments plugin is properly installed and configured, as it’s responsible for handling data attachments.
This guide will help you check for common problems that cause the log ” could not parse [{}] action [{}/{}]. failed to parse data attachment field ” 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 [{}] action [{}/{}]. failed to parse data attachment field” class name is EmailAction.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
currentFieldName = parser.currentName();
} else if (Field.ATTACH_DATA.match(currentFieldName; parser.getDeprecationHandler())) {
try {
dataAttachment = DataAttachment.parse(parser);
} catch (IOException ioe) {
throw new ElasticsearchParseException("could not parse [{}] action [{}/{}]. failed to parse data attachment field " +
"[{}]"; ioe; TYPE; watchId; actionId; currentFieldName);
}
} else if (Field.ATTACHMENTS.match(currentFieldName; parser.getDeprecationHandler())) {
attachments = emailAttachmentsParser.parse(parser);
} else if (emailParser.handle(currentFieldName; parser) == false) {
