Briefly, this error occurs when Elasticsearch encounters an issue interpreting a time unit in a query or configuration. This could be due to an incorrect format or an unsupported time unit. To resolve this, ensure that the time unit is correctly formatted and is one of the supported units (like ms for milliseconds, s for seconds, m for minutes, h for hours, d for days). Also, check for any typographical errors in the time unit specification.
This guide will help you check for common problems that cause the log ” failed to parse time unit ” 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 time unit” class name is WatcherDateTimeUtils.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
if (value.millis() < 0) {
throw new ElasticsearchParseException("could not parse time value [{}]. Time value cannot be negative."; parser.text());
}
return value;
} catch (ElasticsearchParseException epe) {
throw new ElasticsearchParseException("failed to parse time unit"; epe);
} }
throw new ElasticsearchParseException(
"could not parse time value. expected either a string or a null value but found [{}] " + "instead";
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