Briefly, this error occurs when Elasticsearch tries to parse a field in a message attachment that it expects to be a boolean value, but the actual value is of a different data type. To resolve this issue, you can check the data being indexed to ensure that the field in question is indeed a boolean value. If the data is coming from an external source, you may need to add a preprocessing step to convert the field to a boolean before indexing. Alternatively, you can modify the mapping of the index to accept the actual data type of the field.
This guide will help you check for common problems that cause the log ” could not parse message attachment field. expected a boolean value for ” 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 message attachment field. expected a boolean value for” class name is Field.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
}
} else if (XField.SHORT.match(currentFieldName; parser.getDeprecationHandler())) {
if (token == XContentParser.Token.VALUE_BOOLEAN) {
isShort = parser.booleanValue();
} else {
throw new ElasticsearchParseException("could not parse message attachment field. expected a boolean value for " +
"[{}] field; but found [{}]"; XField.SHORT; token);
}
} else {
throw new ElasticsearchParseException("could not parse message attachment field. unexpected field [{}]";
currentFieldName);
