Unknown rounding id ” + id + ” – How to solve this Elasticsearch error

Opster Team

March-22, Version: 1.7-8.0

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This guide will help you check for common problems that cause the log ” unknown rounding id ” + id + ” ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: cluster.

Log Context

Log “unknown rounding id [” + id + “]”classname  is Rounding.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

byte id = in.readByte();
 return switch (id) {
 case TimeUnitRounding.ID -> new TimeUnitRounding(in);
 case TimeIntervalRounding.ID -> new TimeIntervalRounding(in);
 case OffsetRounding.ID -> new OffsetRounding(in);
 default -> throw new ElasticsearchException("unknown rounding id [" + id + "]");
 * Implementation of {@link Prepared} using pre-calculated "round down" points.


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