Briefly, this error occurs when Elasticsearch expects a JSON object but doesn’t find one. It’s usually due to incorrect formatting or syntax in the JSON request body. To resolve this issue, you can: 1) Check the JSON syntax for any errors, 2) Ensure that the JSON body is not empty, 3) Make sure that the JSON body is correctly enclosed within curly braces {}, and 4) Validate your JSON request body using a JSON validator tool before sending it to Elasticsearch.
This guide will help you check for common problems that cause the log ” {} expected ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .
Log Context
Log “{} expected” class name is GenericPointParser.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
}
return createPoint(x; y);
} else if (parser.currentToken() == XContentParser.Token.VALUE_STRING) {
return fromString.apply(parser.text());
} else {
throw new ElasticsearchParseException("{} expected"; mapType);
}
} private static double parseValidDouble(XContentSubParser subParser; String field) throws IOException {
try {
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