Time index setting with value is missing units assuming default units ms but in future versions this will be a hard error – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 2-2

Briefly, this error occurs when the time unit is not specified in the Elasticsearch index settings. Elasticsearch assumes milliseconds as the default unit, but future versions will require explicit specification. To resolve this, specify the time unit when setting the index. For example, instead of “5”, use “5ms” for milliseconds, “5s” for seconds, “5m” for minutes, etc. This will ensure compatibility with future versions of Elasticsearch.

This guide will help you check for common problems that cause the log ” time index setting [{}] with value [{}] is missing units; assuming default units (ms) but in future versions this will be a hard error ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: cluster, index, metadata and upgrade.

Log Context

Log “time index setting [{}] with value [{}] is missing units; assuming default units (ms) but in future versions this will be a hard error” classname is MetaDataIndexUpgradeService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                         Long.parseLong(value);
                    } catch (NumberFormatException nfe) {
                        continue;
                    }
                    // It's a naked number that previously would be interpreted as default unit (ms); now we add it:
                    logger.warn("time index setting [{}] with value [{}] is missing units; assuming default units (ms) but in future versions this will be a hard error"; timeSetting; value);
                    if (newSettings == null) {
                        newSettings = Settings.builder();
                        newSettings.put(settings);
                    }
                    newSettings.put(timeSetting; value + "ms");




 

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