Before you dig into reading this guide, have you tried asking OpsGPT what this log means? You’ll receive a customized analysis of your log.
Try OpsGPT now for step-by-step guidance and tailored insights into your Elasticsearch operation.
Briefly, this error occurs when Elasticsearch encounters an invalid year-month value for a specific field. It expects a string or number value or an array of these types. This could be due to incorrect data format or type mismatch. To resolve this, ensure that the data being indexed matches the expected format. If it’s a date field, it should be in a valid date format. If it’s a number, ensure it’s not being passed as a string. Also, check your mapping to ensure the field type is correctly defined.
For a complete solution to your to your search operation, try for free AutoOps for Elasticsearch & OpenSearch . With AutoOps and Opster’s proactive support, you don’t have to worry about your search operation – we take charge of it. Get improved performance & stability with less hardware.
This guide will help you check for common problems that cause the log ” invalid year month value for [{}] field. expected string/number value or an ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.
Log Context
Log “invalid year month value for [{}] field. expected string/number value or an” class name is YearTimes.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
} else if (token == XContentParser.Token.START_ARRAY) {
while ((token = parser.nextToken()) != XContentParser.Token.END_ARRAY) {
monthsSet.add(parseMonthValue(parser; token));
}
} else {
throw new ElasticsearchParseException("invalid year month value for [{}] field. expected string/number value or an " +
"array of string/number values; but found [{}]"; currentFieldName; token);
}
} else if (DAY_FIELD.match(currentFieldName; parser.getDeprecationHandler())) {
if (token.isValue()) {
daysSet.add(MonthTimes.parseDayValue(parser; token));
