Briefly, this error occurs when you try to use the rounding function on multiple unit types in Elasticsearch. The rounding function is designed to work on single unit types only. To resolve this issue, you can either split your query into multiple queries for each unit type or convert all your data into a single unit type before applying the rounding function. Another solution could be to use a script to handle the rounding of multiple unit types.
This guide will help you check for common problems that cause the log ” rounding `/` can only be used on single unit types [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .
Log Context
Log “rounding `/` can only be used on single unit types [{}]” class name is JavaDateMathParser.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
}
num = Integer.parseInt(mathString.substring(numFrom; i));
}
if (round) {
if (num != 1) {
throw new ElasticsearchParseException("rounding `/` can only be used on single unit types [{}]"; mathString);
}
}
char unit = mathString.charAt(i++);
switch (unit) {
case 'y':
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