Could not parse transform for watch . expected a transform object; but – Elasticsearch Error How To Solve Related Issues



Could not parse transform for watch . expected a transform object; but – Elasticsearch Error How To Solve Related Issues

Updated: July-20

Elasticsearch Version: 1.7-8.0

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

 

This guide will help you check for common problems that cause the log “could not parse transform for watch . expected a transform object; but” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the Elasticsearch concepts: plugin.


Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up which analyses ES to discover the cause of many errors and provides suitable actionable recommendations (free tool that requires no installation). 

Log Context

Log”could not parse [{}] transform for watch [{}]. expected a transform object; but”classname  is ChainTransform.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

List transforms = new ArrayList();
 
  String currentFieldName = null;
  while ((token = parser.nextToken()) != XContentParser.Token.END_ARRAY) {
  if (token != XContentParser.Token.START_OBJECT) {
  throw new ElasticsearchParseException("could not parse [{}] transform for watch [{}]. expected a transform object; but " +
  "found [{}] instead"; TYPE; watchId; token);
  }
  while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
  if (token == XContentParser.Token.FIELD_NAME) {
  currentFieldName = parser.currentName();

Related issues to this log

We have gathered selected Q&A from the community and issues from Github, that can help fix related issues please review the following for further information :

1 SyntaxError: Unexpected token o in JSON at position 1 -views 325,673 ,score 125

elasticsearch watcher could not parse search input -views   1,296,score 1



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