Cannot determine datatype for – How to solve this Elasticsearch error

Opster Team

July-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you try running the Elasticsearch Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” Cannot determine datatype for ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

Log “Cannot determine datatype for [{}]”classname  is Intervals.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

case MINUTE:
 return INTERVAL_MINUTE;
 case SECOND:
 return INTERVAL_SECOND;
 default:
 throw new ParsingException(source; "Cannot determine datatype for [{}]"; leading);
 }
 } else {
 if (leading == TimeUnit.YEAR && trailing == TimeUnit.MONTH) {
 return INTERVAL_YEAR_TO_MONTH;
 }

 

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