Briefly, this error occurs when Elasticsearch is unable to interpret the watch execution request due to incorrect syntax or structure. This could be due to a malformed JSON, incorrect field names, or wrong data types. To resolve this issue, you should first validate your JSON structure. Then, ensure that the field names and data types match the expected format in the Elasticsearch documentation. If the error persists, check for any deprecated fields or features in your request. Lastly, consider using a tool to format and validate your request before sending it to Elasticsearch.
This guide will help you check for common problems that cause the log ” could not parse watch execution request ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: rest, request, plugin.
Log Context
Log “could not parse watch execution request” class name is RestExecuteWatchAction.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
} else if (token == XContentParser.Token.VALUE_STRING) {
try {
ActionExecutionMode mode = ActionExecutionMode.resolve(parser.textOrNull());
builder.setActionMode(currentFieldName; mode);
} catch (IllegalArgumentException iae) {
throw new ElasticsearchParseException("could not parse watch execution request"; iae);
}
} else {
throw new ElasticsearchParseException(
"could not parse watch execution request. unexpected array field [{}]";
currentFieldName
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