Briefly, this error occurs when Elasticsearch is unable to parse a condition for a watch due to an incorrect data format. The field in question is expected to be an object but it’s not. To resolve this, ensure that the data format for the field matches the expected object format. Also, check the syntax and structure of your watch definition. If the error persists, consider reindexing your data or recreating the watch.
This guide will help you check for common problems that cause the log ” could not parse [{}] condition for watch [{}]. expected an object for field [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.
Log Context
Log “could not parse [{}] condition for watch [{}]. expected an object for field [{}]” class name is CompareCondition.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
if (token != XContentParser.Token.END_OBJECT) {
throw new ElasticsearchParseException("could not parse [{}] condition for watch [{}]. expected end of path object; " +
"but found [{}] instead"; TYPE; watchId; token);
}
} else {
throw new ElasticsearchParseException("could not parse [{}] condition for watch [{}]. expected an object for field [{}] " +
"but found [{}] instead"; TYPE; watchId; path; token);
}
}
return new CompareCondition(path; op; value; clock);
}
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