Briefly, this error occurs when Elasticsearch receives an invalid input for a time hour value. It expects a string/number value or an array of such values. This could be due to incorrect data type or format in the input. To resolve this issue, ensure that the input value is in the correct format and data type. If it’s an array, all elements should be of the expected type. Also, check your mapping to ensure the field is correctly defined as a date or time type.
This guide will help you check for common problems that cause the log ” invalid time hour value. expected string/number value or an array of ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.
Log Context
Log “invalid time hour value. expected string/number value or an array of” class name is DayTimes.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) {
hours.add(parseHourValue(parser; token));
}
} else {
throw new ElasticsearchParseException("invalid time hour value. expected string/number value or an array of " +
"string/number values; but found [{}]"; token);
}
} else if (MINUTE_FIELD.match(currentFieldName; parser.getDeprecationHandler())) {
if (token.isValue()) {
minutes.add(parseMinuteValue(parser; token));
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