Briefly, this error occurs when Elasticsearch is unable to parse the watch status due to an unexpected data type. It expects a string value in a specific field, but it’s receiving a different data type. To resolve this issue, you can check the data you’re sending to Elasticsearch and ensure that the field in question contains a string value. Alternatively, you could modify your Elasticsearch mapping to accept the data type you’re sending.
This guide will help you check for common problems that cause the log ” could not parse watch status for [{}]. expecting field [{}] to hold a string ” 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 watch status for [{}]. expecting field [{}] to hold a string” class name is WatchStatus.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
}
} else if (Field.EXECUTION_STATE.match(currentFieldName; parser.getDeprecationHandler())) {
if (token.isValue()) {
executionState = ExecutionState.resolve(parser.text());
} else {
throw new ElasticsearchParseException("could not parse watch status for [{}]. expecting field [{}] to hold a string " +
"value; found [{}] instead"; watchId; currentFieldName; token);
}
} else if (Field.ACTIONS.match(currentFieldName; parser.getDeprecationHandler())) {
actions = new HashMap<>();
if (token == XContentParser.Token.START_OBJECT) {
