Could not parse transform for watch missing required field – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-7.15

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Briefly, this error occurs when Elasticsearch is unable to parse a transform for a watch due to a missing required field. The transform is a part of the watch definition that allows the manipulation of the data before the condition is executed. To resolve this issue, you should check the watch definition and ensure that all required fields are included. If the field is missing, add it. If the field is there but incorrectly formatted, correct the format. Also, ensure that the field is in the correct location within the watch definition.

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This guide will help you check for common problems that cause the log ” could not parse [{}] transform for watch [{}]. missing required [{}] field ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, search.

Log Context

Log “could not parse [{}] transform for watch [{}]. missing required [{}] field” class name is SearchTransform.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 watchId; currentFieldName);
 }
 }  if (request == null) {
 throw new ElasticsearchParseException("could not parse [{}] transform for watch [{}]. missing required [{}] field"; TYPE;
 watchId; Field.REQUEST.getPreferredName());
 }
 return new SearchTransform(request; timeout; dynamicNameTimeZone);
 }

 

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